Harley twin cam oil pressure relief valve. I noticed oil pressure was nearly zero at startup.

Harley twin cam oil pressure relief valve. 9/sbdt/does-bucknell-meet-full-need.
0 lbs of Seat Force, 16. I checked the oil level---ok. one comes off the crankone is on the camand the other is for the crank case breather. If you thing the MoCo changed oil pump for more pressure after 75 years to boost pressure, you are just mistaken. If the motor idles hot at 20 lbs of pressure, then the piston jets are never turning off. Assembly issue would be the O rings between the camplate and engine case, oil pump O rings or assembly order or popped gallery plugs in the camplate. 07' FLHRSE3 124", Paul Matyka ported SE110 heads, S&S pistons/cylinders,11. R. Oct 27, 2003 · If there really is no oil pressure verified by a mechanical gauge it likely is either a assembly issue or a stuck open pressure relief valve. Dan Baisley and Latus Harley Davidson sell a spring that goes into the cam plate oil pressure relief valve, this spring is called a LMR#2 or LMR#4. Harley’s Screamin’ Replacement gasket for FEULING tool #9010 #9010 Pressure test tool is a must for any H-D Twin Cam engine builder. They put a restrictor in the crankcase to slow oil flow to the top end. Goes all through those things before going back into the May 27, 2002 · When there is a backup of oil, which causes excess oil pressure at the filter, the bypass/relief valve will open to allow unfiltered oil unrestricted access back into the engine. A. hydraulic tensioner/cam plate kit and S+S 510 cams. 7 lbs fully compressedBaisley Hi-Performance springs operate Feuling Oil Pressure Relief Kit For Harley Twin Cam Features: Increases camplate pressure relief pop-off pressure; Kit includes valve plunger, spring, and roll pin; Proper spring rate to control pop-off pressure and oil flow in by-pass port; Bench testing recommended using Camplate pressure test tool 910-981 to ensure proper valve operation Jun 24, 2013 · That would increase opening pressure, resulting in higher overall pressure. I have the LMR-002 model (15#?) and I have heard that there is also an LMR-004 (30#?) Apr 26, 2020 · If in fact the oil pressure readings are as indicated in your post then I would do these things first. you might install a stoughter oil relief spring. Past 6 months. When the engine is running there is oil pressure that opens the check valve and allows the oil to flow through the engine. The clutch plates liked the ATF better than the primary oil back then. Harley oil pump check valve rebuilt kit (O-rings and stainless steel spring) costs about $20 on average. Aug 5, 2022 · How to remove and replace oil pressure relief valve on Harley Twin cam engines. • ACR can be installed on stock or Screamin' Eagle ® Performance cylinder heads for all '07-later Twin Cam equipped models • Install requires machining to be performed by a competent machinist using the Screamin' Eagle ® Automatic Compression Release Fixture Kit P/N 94648-08 (sold separately) May 28, 2024 · When the twin cam was being developed, the engineers found that the more oil flow, the hotter the engine ran. Mar 28, 2005 · I purchased a Pro-Just oil pressure spring kit. So far it's been 3,000 miles and I have 55 pounds of pressure all the time the RPMs are over 2000. Pressure that resides below the dipstick goes through the relief hole and passes out through the rubber umbrella valve. Heat from the pipe had killed the sensor. Dec 12, 2012 · Mobil 1 V-Twin oil IS a very good oil. Since 1990, E. I know this sound counter productive, but it's what worked. I have seen filters blow right off the engines when the valves stick closed. Because it does sounds like a baffle problem. The pressure relief valve should move freely in the bore. all my 180 ccp motors do not need releases as a side note,,, ultima and cc engines usually run a little on the low side in ccp Jun 11, 2010 · When my engines is still cool I have 32 psi of oil pressure. Nov 22, 2019 · On the twin cam, high idle oil pressure can cause high oil temps. " This Harley Twin Cam Oil Pressure relief valve spring kit from E. Shovelhead, Evolution & Twin Cam engines. H suggested I look at the Axtell bypass system. 1 CAMPLATE PRESSURE RELIEF VALVE SPRING, This spring has increased pressure when compared to the stock spring, aiding in seat pressure and increasing the overall pop off pressure. Primed the new pump by turning the engine over with the starter and spark plugs removed. How do i go about unlocking it . Learn the importance of removing, cleaning, and inspecting the oil pressure relief valve in your Harley Twin Cam's cam compartment. when i installed a S&S 510 gear cam. Especially anything you changed. By simply replacing the stock Harley Shovel and Evo oil pressure relief spring in your Harley oil pressure relief valve of the oil pump, your oil pressure problems will be cured! 3 days ago · Twin Cam Oil Pressure relief valve; Oil Pressure relief valve. A. Oil Lines~Cylinder Base Bolts~11. Baisley® Hi-Performance LMR-2: 6. put it back with stock cams and plate. SE has produced two different billet cam support plates, one for use with the factory oil pump and one for use with H-D®'s "high volume" oil pump. Oct 3, 2020 · Sometimes it takes me trying to start the bike near 10 times before no low oil pressure light The dealer can not recreate the problem. Mar 9, 2007 · You had to plug the valve because sometimes (often) the ONE way pressure relief valve (for the crank case) became TWO way and you didn't want to suck ATF into your bottom end. This tells me that the oil pressure relief valve with the oem spring opens at 32 psi. That is the main effect that calms down noisy lifter. 2000 FXD came into my shop with broken cam chain tensioners, scored up pump, cams etc. ‘06 DYNA) CHAIN & GEAR DRIVE CONVERSION CAMS, HYDRAULIC TENSIONERS FEULING OE+ CAMPLATE (PART #8033) can be used with factory HD® oil pump or any Twin Cam® oil pump using the ‘07-’17 bolt pattern. May 22, 2006 · I can not understand how replacing the pressure relief valve spring could increase oil pressure at ilde speeds. Fits all Twin Cam engine camplates Made in the U. Should I just pay for a new oil pump, sensor, etc. I was surprised at this so I checked the spring in the SE camplate - it was actually a little shorter than my original stock camplate spring causing a little lower pressure. I went straight from a shovel to a twin cam. For an easy and stress-free repair or installation process, you may need to invest in installation tools. Aug 31, 2010 · *More progressive pressure rise *Use in any stock or modified Twin Cam A or B motor *Recommended with ANY cam installation *A MUST HAVE for engines with higher than stock valve spring pressure *Restores oil pressure throughout the oiling system when using high volume piston cooling jets with close race tolerances Apr 4, 2011 · IMO you should have bought aftermarket lifters. the motor is a . Sep 25, 2014 · 2006 SG with new Screamin Eagle 103 crate motor, about 5000 miles now. For the high volume pump, the capacity of the kidney-shaped passages was increased and the relief valve roll pin location was changed to increase the preload on the bypass valve. longer oil life due to reduced oil shear,lower oil temperature, improved valve train control and noise. 010 over Wiseco 10. As soon as it's hot, it never sees 32 again, unless the revs are high. Replaced everything with the S. Jul 26, 2009 · The correct term for the oil in the airfilter is oil carry over, and yes it can be caused by the oil pump not being aligned to the cam plate, and most definitely a damaged oil pump body due to a . Verified purchase. As the valve spring pressure goes up, this puts more stress on the hydraulic lifters to maintain zero lash. Fits 1999-2017 Twin Cam models. I let it cool down for about an hour and the pressure came back up to 35-37 psi at 2500 rpm. I did not notice the oil light come on. May 14, 2006 · Look for a oil hemorrhage (piston squerters) maybe where the oil pump can keep up a low and medium speeds Try overfilling the pan and see if the pressure drops slower? I would still check all the work you have done. Harley's answer? - An external fitting that went into the oil feed pipe in the crankcase at the rear cylinder. Started by fbn ent, June 12, 2023, 06:22:59 PM. in the service manual ENGINE section for the Twin Cam 103 Relief valve, oil Jul 13, 2017 · I think you mean pressure relief valve. Pressure relief valve in oil pump not seating and sealing, possible debris stuck in valve and or scoring on seat/bore. Apr 27, 2007 · I guess you could mount it anywhere and run a braided line from the oil pressure sending unit port to the gauge and have it backlit? I also put a spacer behind the oil pressure relief valve to boost the cold temp pressure. Bench setting your Harley Twin Cam pop off valve with E. Thanks guys! Oct 3, 2020 · Sometimes it takes me trying to start the bike near 10 times before no low oil pressure light The dealer can not recreate the problem. at 55 mph. Many upgrade to a Baisley spring or a Zippers kit. Aug 10, 2019 · I have a 2009 StreetGlide with a 103ci on it. NOTE Verify that the ignition key switch is in the OFF position before installing the main fuse. Most of the attention was directed at the oil pump, its pressure relief valve and the mounting plate. ? Nov 14, 2022 · Last winter I went in and upgrades the cam tensioners to S&S Cam Plate with hydraulic tensioners, new OE+ oil pump, S7S 509 cams, Fueling HP+ lifters. later no problems. Dec 4, 2015 · Have the oil pan flushed out by a Harley-Davidson dealer or qualified technician. Jun 6, 2009 · Low oil pressure when you did this is a lack of oil to the pump, lifters collapsed from lack of pressure. Sitting in neutral and revving the bike the oil pressure goes up and down as normal, and cruising down the road it's steady as normal, but when I get on it and ride under acceleration (slow or fast) the oil pressure consistently goes down until about midways through acceleration Mar 21, 2010 · From pickup port to feed side of oil pump it goes thru bypass valve, (maybe stuck open), from there to oil psi sender on it's way to filter. Ron I am not an HD motor Guy! but help me understand why cold the oil pressure only goes to 32 to 38 psi and if revved up it drops? but after the oil and motor hit operating temp oil pressure Dec 4, 2009 · The pressure is controlled by the pressure relief spring in the camplate. He admitted this could rob 1-2 HP by keeping the pump running non-stop but he would compensate for the loss by adding a crank case breather valve to gain about 3 HP. Apr 29, 2006 · When you first start an engine and it's cold with 20w50 oil it is not uncommon for the oil pressure to surge well over 120psi. Jul 16, 2016 · oil pressure relief valve Jump to Latest 3K views 2 replies 3 participants last post by hdrider82 Jul 16, 2016 Feb 9, 2020 · Has anyone shimmed their oil pressure relief valve spring to increase oil pressure? Baisley sells 2 different springs, but 22 bucks for a 50 cent spring is ridiculous. so if the shim increases the pressure from for instance 30 lbs to 35 lbs then when the pressure reaches 35 lbs it will by-pass, at any RPM. The Billet Cam Support Plate is manufactured from billet aluminum with pressed-in bronze bushings, and is pre-assembled with the crankshaft bushing and oil pressure relief valve. This simple fix can often restore the oil pressure to its normal range. When i stopped and let it idle it went down to 8 then 2 psi. i did fueling , & oil pressure is 15 idle & 55 FEULING camplate pressure relief valve plunger, spring & roll pin. It’s a good habit to remove, clean, and inspect the Twin Cam oil pressure relief valve any time work is being performed within the cam compartment. Jun 17, 2021 · Cost. 4 %Çì ¢ %%Invocation: path/gs -P- -dSAFER -dCompatibilityLevel=1. The check valve is used to keep the oil in the oil tank when the engine isn't running. PS. New lifters and new adjustable pushrods. Jun 23, 2010 · I've 2002 88 carb Twin Cam and 47K miles on it. I use the Baisley spring but it did not cure my noise. on my 2017 Road glide ultra & oil light cam on at idle took it to dealer. At operating temperature running at 65 mph my gauge shows about 28/29 lbs. Inspect inner cam bearings, now is the time to replace these bearings while the engine is apart. 1 Part # 8019 Twin Cam 99 - Present, Qty. Upgrade to the stock oiling system, delivering increased oil pressure and return scavenging volumes from billet oil pump and matched camplate; Increased rigidity; machined to tighter tolerances compared to stock; Camplate pressure relief valve and spring are seated, sealed and pre-set with 50-60 psi pop-off; Fits 07-17 Twin Cam (and 06 Dyna) The Panhead oil pump also includes a relief valve that helps to regulate the oil pressure. Low or no Harley oil pressure? E. The Twin Cam® engine features an oil pressure bypass passage within the cam support plate that is controlled by a spring-loaded plunger. What if pushrod flex occured. Air is compressible. block. Products SP-TC oil pressure relief spring kit has a more consistent spring rate than the any other Harley springs! One spring for all engines does not work, that is why E. tested oil pressure on warm engine,40-50psi at idle and shoots up to 60psi as soon as throttle is opened. i changed mine in my '09 t/g at 11k. I turned a couple of spacers 1 -1/8" and 1 - 1/4" to fit in the plunger and have tried to measure the spring pressure, but find it to be difficult - or at least not real accurate. spring in relief valve in cam support plate 3. The Zippers bypass valve blocks the factory port back to the feed side of the pump and directs the bypassed oil into the cam chest. Upgrade the inner cam bearings to b-148 bearings. Today, just run an approved primary oil. Jun 5, 2016 · The relief valve is in the torque plate that holds the cams. During the twenty some years that it was produced, a lot of people looked into and worked on this problem. 🔧 Sign up for the free FMH newsletter to receive the latest Harley repair & maintenance tips delivered right The Oil Pressure Relief Valve is designed to limit the oil feed pressure at higher engine rpms, primarily to reduce excessive oil volume from being pumped to the top end. I noticed oil pressure was nearly zero at startup. This tech tip from Mike will help you ensure optimal performance. Oil from the filter back thru the cam plate is being blocked someplace, either in the plate itself or upstream from the plate. Products SP-TC Superpump Kit is a great place to start when trying to improve your Harley Twin Cam oil pressure. About 15-20 at idle. cam tensioners are worn out. all 4 hydraulic lifters 5. Scoring in oil pump housing and or camplate face surface, possible dry start up, debris in oil and or excessive crankshaft end play and or crankshaft runout. This prevents the oil pressure from becoming too high and causing damage to the engine. Free shipping on orders $50+ and free returns. The following comes from a lot of research with guys who live and breathe this kind of stuff Dec 12, 2011 · A couple days after i did the cams and oil pump, cam plate, ect ect ect, its like a friggen snow ball effect, anyways i lost oil pressure at idle, lifters rattled at start up, oil light on, it would take a good 30 seconds to get any oil pressure and for the lifters to quiet down, 30 seconds doesnt sound like very long, but its an eternity without oil pressure or so it seemed, anyways oil Apr 21, 2008 · When I retro'd the rear cam bearing to a roller and updated the cam plate, chains, and oil pump (99b) I installed the S&S reed valve just for good measure. This valve is designed to open when the oil pressure exceeds a certain level, allowing the excess oil to flow back into the oil tank. Any Twin Cam motor will benefit from the installation of our spring but it was designed for those with high lift cams and higher valve spring pressures. Orders may be placed via your computer for all parts. Sep 18, 2022 · and my oil pressure dropped from a normal 45-50 psi (with oil bypass valve) down to 18-20 psi. By purchasing this product, I understand that it is intended for use on Harley Davidson Evolution and Twin Cam engines, that utilize a ¾” reach spark plug. Not a big deal, it always does that on first start after an oil change. Increase the pressure relief valve pop off PSI with the Feuling spring, bench testing recommended with FEULING camplate pressure test tool #9010 to ensure proper valve seal and valve operation. I installed the first blue spring and my oil pressure was increased by 3 lbs at idle and 5 pounds at 2000 rpm. Apr 7, 2024 · E. This umbrella valve is a proven one-way crankcase vent to let pressure out. 50 it can be repaired. Here’s a video from a rider who was experiencing this issue. Alright it does not sound like a big deal but my buddies have 2007 and 2008 Ultras which run at 32 lbs+. Review your system documentation on placing orders electronically. With a little help of my friend/bike mechanic, we changed: 1. There is a series of 3 springs that replace the original Harley relief valve spring each color a little taller and stiffer. Highway speeds oil pressure is running 60+#. And 5,000 Mi. Oil Pressure Relief Valve Kit For Harley-Davidson Twin Cam. and idled at 12-14 psi (pretty normal with cold motor) Aug 6, 2008 · Oil Pressure on Twin Cam 88 Jump to Latest 13K views 3 replies 3 participants last post by 06 Street glide Sep 28, 2021 Jan 2, 2011 · Then relief valve sticking. 79 gearing, Stock Compensator, D@D Borzilla QB, K&P oil filter, Jagg ten row oil cooler, Big Sky oil cooler fans May 15, 2011 · Install the cam cover and a new gasket from the Cam Service Kit (Part No. 50w or 60w oil. 2 lbs fully compressed. The increase in oil pressure was required to suppy enough pressure to operate the hydraulic cam chain tensioners, had nothing to do with the engine needing more oil pressure. Chain tensioners in good shape. May 23, 2020 · Put a service gauge on it and see what the pressure is. Jun 8, 2014 · I'm just going by the oil pressure gauge on my dash so that too could be bad or of. Our system directs the bypassed oil into the cam chest to be returned to the oil tank eliminating the "loop". They are not intended to be active when the scooter is not moving. 2 days ago · "A passage in this channel connects to a pressure relief valve mounted in the bypass port of the cam support plate (A5). No oil pressure light but when it is cold (better after 2 days off) at start, engine is quiet. Sitting in neutral and revving the bike the oil pressure goes up and down as normal, and cruising down the road it's steady as normal, but when I get on it and ride under acceleration (slow or fast) the oil pressure consistently goes down until about midways through acceleration Aug 3, 2008 · Need some help. Products. Watch the video to learn more. I use the #4 spring when I install aggressive cams for the extra 30 lbs pressure it attacks the lifters with keeping them pumped up. 3 days ago · Oil pressure has always run at 32psi when riding at speed (2500-3000 rpms). So filter shouldn't be problem. %PDF-1. ? Oct 1, 2007 · The last indy said he would add shims under the oil pump spring to lower overall engine temps, and to keep the oil pressure up at a constant 40 - 60 psi. The scavenge side of the oil pump returns the excess oil to the oil tank and eliminates the oil "looping" and its negative effects as described above. Long story short, one more new oil pump and a new cam plate. Mar 31, 2009 · My brother brought his '99 softail over with oil all over the carb, heads, and jugs. Guess what happens when you pump oil?? Just pumping oil in an open system that creates virtually no pressure will heat it. after 1 minute it starts to rattle from the bottom - not valves. If your oil aerates, then your oil has become compressible. Oct 23, 2017 · with the releases closed Jake I would be looking for 180--210,,, over 180 should need the releases. Ran fine and oil pressure light went off immediatly at Idle. It is also suggested to remove clean and then polish the oil pressure relief valve in the cam plate. The Feuling Vented Dipstick utilizes a rubber umbrella valve from a twin cam engine. I managed 37 pounds of oil pressure at startup but it still went down to single digits when warm at idle. Manuals Jul 23, 2012 · Have to disagree. Find Screamin' Eagle Performance Valve Spring Kit 18013-03A at Harley-Davidson. 5 lbs incrementally doesn't seem correct. Reggie @ R&R swears by Torco str. I have good oil pressure once the engine warms up. Talked to 2 different dealer mechanics, both said must be a plugged hole. Stuck in traffic and the oil light came on with 0 on the gauge. Screws into the factory oil fill spout as a stock replacement May 30, 2008 · The oil passage on the back of the new style cam plate SE Fueling or Delkron must be plugged to keep the oil from short circuiting back into the cam case it can not build oil pressure. Open up the cam chest. Oct 24, 2012 · When this occurs engine heat builds and piston & ring life is shortened. 7:1 Comp~"KOC" & R&R Designed D&D Boarzilla 2 1/8" ID 2N1~R&R Raped Ape Billet Heads~R&R Billet Cam Support Plate & Chrome Cover~R&R 620 Cams~R&R Roller Rockers & Supports~HPI Oval Port 62mm EFI~Baker OD6 +1 Oil Pan~Renegade Ledgends 18" Wheels~True Track~ Traxxion AK-20 May 29, 2008 · I have found for a $12. 17045-99D, available separately). two dots are on cam gear and one matches to the crank gear other to crankcase breather gear Jul 3, 2011 · The TC88 flows oil to the filter first and then to the engine, if the filter clogs up you want that pressure relief valve to operate as opposed to starving the engine of oil while pressure builds up. Baisley Hi-Performance LMR-4: 7. FITS: Apr 14, 2021 · Inspect the oil pressure relief valve every time you remove your cam plate. T. At idle / low rpm's ( low pressure ) the valve should be in a closed position and should not cause a pressure drop. CAMCHEST INSTALLATION INSTRUCTIONS FOR TWIN CAM ENGINES ‘07-’17 (INC. I'm betting thats around 60 psi on our engine. Cam gear is torqued at 24 ft/lbs Crank gear bolt is torqued at 34 ft/lbs. Next I was going to check the external oil cooler and the oil pressure relief valve in the camplate even though that doesn't make sense to me because I would think the valve would be shut when hot and idling. He had mentioned 'umbrella' valves in the heads. removed rocker covers and ran engine and not seeing any oil getting up there. to check. Jul 17, 2015 · I think my oil pressure relief plunger is stuck. No need to take the cam chest out. relief valve in cam support plate 4. Course other things like any restriction at the filter, or oil cooler, etc could add to oil pressure if the relief valve is sticking close. A couple of months ago I noticed my oil pressure gauge acting funny. com. The pressure relief valve works like a regulator so the oil pressure won't exceed a specified rate. 4 -q -P- -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sstdout=? -sOutputFile=? Oct 19, 2006 · The scenario Oil is making it from the pump, thru the cam plate to the filter. That should cause the plate relief valve to open reducing pressure. Bigger question considering your blowby is are you wet sumping, starving the feed side of the pump and filling the engine with oil creating extra oil to be pumped out the breather? The tool is used to hold the relief spring down and away from the roll pin. Oct 19, 2010 · In the cam chest u will see 3 gears. Oct 16, 2005 · Hi, I was recently informed that there are actually two different models of the Baisley OIl Pressure Spring. Replaced stock oil pump, removed oil pan, can find no visible causes, no plugged oil orifices. All non-warranty replacement crankcase orders require return of the complete left crankcase half with vehicle identification number (VIN). what about the rocker arm outboard mass. The shim does nothing until the by-pass pressure is reached. Remove the cam plate and check, the oil pump, the scavenge o-ring where the pump spigot goes into the case, remove the oil pressure relief plunger and spring to see if it is sticking and to clean and polish the plunger. • Aluminum is specified at 6061 billet plate, heat treated to T6 specifications with a surface-hardened anodized finish to provide superior strength, rigidity, and Jul 3, 2020 · Which would point to a drain back restriction that leads to oil sitting on top of the heads, often leading to oil on the air cleaner and crank windage, creating pressure in the sump or oil tank. S. It gives the hot oil from the heads time to cool before it returns to the heads. Mar 28, 2021 · The place to start looking is in the cam chest. Products is designed to increase oil pressure on all 1999 and up Twin Cam engines. Sep 15, 2005 · An interesting parallel is seen in the Shovelhead. thesmallengineshop. But 55psi sounds pretty hi for a hot engine??? I'm the first one that loves high oil pressure but I've never seen a hot Harley put out that kind of pressure except when it's cold. If not, bypass valve or oil pump problem. net**Always follow the instructions in your repair manual when doing repair or maintenance work on a motorcycle. This Oil Pressure Relief bypass valve has been found in many cases to be leaking 50% or more pressure at idle. Good fix! Factory Oil Pressure Relief Valve Factory Cam Plate Cutaway View B Axtell Twin Cam® Oil Bypass Valve This is a new product designed and developed by the Axtell Mountain Motor team. Fits stock Twin Cam and Screamin' Eagle cam plates 1999-2017. Here is a great tech tip that Mike demonstrates for any members that are working in their Twin Cam, cam compartment. Pull sending unit and should have plenty of oil out the port. Baisley® springs operate in a progressive manner, and are precision ground to exact lengths. Some of them would exhibit heavy oil usage in the period when they first came out in the 1960's. It is always a good habit to remove, clean, and insp Changing out the Oil Pressure Relief Spring during Twin Cam 88 cam case rebuild on a 2000 ElectraGlide. Harley oil pump inspection. So, without the dealer being able to recreate this random low oil pressure problem, where do I start. Anyone have any ideas?? Headed back May 20, 2024 · Baisley LMR-2 Oil Pressure Valve Spring for Twin Cam Harley Davidsons (#202655998659) o***m (280) - Feedback left by buyer. Baisley® springs offer increased seat pressure and overall spring force. 5 cr, 58/62 HPI TB, 640G's, Bandit clutch, Baker DD7, IDS, 2. Sending unit is on feed side of filter, not after. Secondly, most of the oil pumps on the market are direct copies of the Harley-Davidson oil pump and ALL of the pumps have the weak pressure relief spring. Replace your stock Harley Evo oil pressure relief valve spring with the SP-1 from E. The Billet Cam Support Plate is manufactured billet aluminum with pressed-in bronze bushings and is pre-assembled with the crankshaft bushing and oil pressure relief valve. Aug 29, 2013 · On an engine such as the Twin Cam Harley that already has heating issues, the last thing you want to do is add more heat. And getting oil out of the basses of the push rod tubs ? Thanks F. Add a restriction or try to increase the flow and the first thing that happens is you create more heat. Dec 16, 2005 · TC oil systems have a pressure control valve in the cam plate, that directs the oil back to the intake of the oil pump beyond a certain pressure. The purpose of this passage is to allow excess oil pressure to be diverted back to the feed section of the oil system. Jul 28, 2012 · Oil from the filter back thru the cam plate is being blocked someplace, either in the plate itself or upstream from the plate. Aug 9, 2007 · 85,000 PSI Ductile Iron Cylinders~Ext. has the Cure for Harley oil pressure problems! Install a Harley oil pressure gauge. They need 3-5 to stay charged. Replacement gasket for FEULING tool #9010 #9010 Pressure test tool is a must for any H-D Twin Cam engine builder. ?? Would a head gasket leak around the oil return be an issue? Jun 24, 2009 · I am a little disappointed with the indicated oil pressure on my 2009 Ultra. 6. Would a 150 gram spring pack at 160 seat and 400 nose poundage act the same as a 100 gram spring pack. FITS: This tool easily removes and installs the roll pin which holds the pressure relief valve and spring in the camplate. But still getting 50,55 psi at hwy speed . They said it it was pressure relief valve only opening 50% they put in new & improved one. One with synthetic and one with Torco. Bench test each camplate before installation, cycle the pressure relief valve, testing operation and assuring the valve moves freely, seats and seals each time, any leakage at the relief valve will reduce oil pressure. The updated valve kit just redirects it from dumping the excess in the cam chest, so you get better oil circulation. Aug 8, 2008 · The shim is installed with the oil pressure relief spring. A unform spring fixes that. Any leakage causes a drop in overall oil pressure. I installed the SE camplate and new pump last winter and my oil pressure was actually a little lower. Mainshaft Sprocket Pulley Locknut Socket For Harley Davidson 1941-2006. Looking for feedback on my parts list above and any knowledge or experience related to the oil pressure relief options. What if you used gear drive, and crankshaft torsional vibrations Dec 18, 2015 · Replacing the oil and filter made no difference. For use with all Twin Cam camplates Part # 8018 Twin Cam 99 - Present, Qty. 3 kPa), the orifice opens to bypass excess oil back to the feed side of the pump (A3). I just replaced the oil pressure spring back to original . I assumed it was part open. All Harley Twin Cam engines have a oil pressure relief valve. This time, I noticed pressure climbed quickly to 60 psi as I was was revving when switching gears. Fits 1999 and later Twin Cam A and B motors. This occurs until the oil pressure drops to an acceptable level, which closes the filter’s bypass/relief valve, allowing more oil to pass through the filter. Products have specialized in increasing Harley oil pressure. Apr 21, 2012 · Just finished putting my Twin Cam 88 back toghether, Bought it with heads off and Cam plate and cams missing. Aluminum is specified at 6061 billet plate heat treated to T6 specifications with a surface-hardened anodized finish to provide superior strength rigidity and durability Aug 25, 2017 · M8 oil pump I had 140 mi. Jul 6, 2013 · Results: higher oil pressure at low engine rpms. Dec 15, 2006 · From 1968 to 1999 the oil pumps are all pretty much the same in respect to the check valve. 5 cr Andrews EV46 cammed evo. May 20, 2024 · Baisley LMR-2 Oil Pressure Valve Spring for Twin Cam Harley Davidsons (#202655998659) o***m (280) - Feedback left by buyer. May 31, 2016 · Shimming will only increase the by-pass pressure. already checked the oil relief spring and plunger and changed the oil pressure sender sensor. E. Previous topic - Next topic. K. Inspect or replace chain tensioners as needed refer to H-D® manual for service wear limits. ‘06 DYNA) ‘99-’06 (EXC. . After changing the fluids, I went for a ride. blew my budget and not looking to do another cam plate. #626-002_x000D_ _x000D_ B. rotate to tdc on front cylinder using the indicator markthen pull cam chest cover and check all the dots . Jan 4, 2014 · Seem the risk of aeration and cavitation out weighs any benefit from potential increase in oil pressure. I went in through the top so I reused my stock pushrods. Aug 11, 2021 · While you have it apart, disassemble and clean the oil pressure relief valve in the camplate too, (like Don suggested), maybe the pump is OK when you you inspect it, the relief valve maybe lodged open with debris causing low/no pressure. Jul 8, 2009 · If it was never that low before, I would start checking the oil pump or pressure relief valve. So the 7. 2 lbs of Seat Force, 14. I opened up the cam chest today and pulled out the pressure relief valve and to say the least it's a sloppy fit and a crude looking piston, I didn't see any scars, burrs, or shavings but the bike does have 60k on the motor. It is always a good habit to remove, clean, and inspect the Twin Cam oil pressure relief valve any time a cam plate is removed. cold start - no oil pressure, at higher engine speed - no oil pressure at my manometer (starts from about Jul 26, 2006 · The leftover shavings got into the oil pump again and also froze the oil pressure relief valve in the closed position. SP-TC for Twin Cam Harley; SP-1 for Shovel and Evo ; Jan 11, 2016 · I have an evo single cam engine I have installed an ultima high volume oil pump and an oil pressure gauge on it. oil pump 2. Pulled the rocker covers and oil is making it up there via the pushrods. Aug 14, 2011 · Visit http://www. So at least you are getting lots of oil. Increase your Harley Twin Cam Oil Pressure and performance by replacing the stock oil pressure relief spring in the oil pressure relief (bypass) valve of the cam support plate. That's why they have a valve and a pressure spring in them. These leaks cause a dramatic reduction in the amount of lubrication on all of the key parts of the engine, especially high contact pressure valve train parts. Good time to replace tensioners, lifters,and cam bearings (especially the inner cam bearings). So when the oil get shot and it's making 20 psi, the relief valve is closed and all pressure available is feeding the lube system. 2002 road king, 13,000 miles, wet sumping. Increase your Harley Twin Cam Oil Pressure and performance by replacing the stock oil pressure relief spring in the oil pressure relief,(Twin Cam pop off valve) in the cam support plate. Recently after a 500 mile trip pretty hard and lots of hills, there was a very small amount of oil on the front of the battery box. FITS: Qty. However, it tends to aerate greater than dino oil. Nov 12, 2019 · I ost oil pressure on my 2005 road glide Its got the 95 kit installed but now need oil pump and maybe more have to open up and see any ideas what the best way to go is ive got anouther 88 twin cam already on the bike so motor is sitting on my bench waiting to see I bout the bike used but has the 95 kit and Andrews cams right now/ Aug 3, 2010 · 05 Road King Classic - Sierra red pearl/RB Racing LSR 2-1 Titanium ceramic w/Chrome shields/98" RevPerf BB/37g cam's/Stock 99B lifters/Stage 2 CNC'd heads by R&R(GMR) 9. If the relief valve is stuck in the closed position the oil pump will May 29, 2008 · I have found for a $12. Another key issue is in maintaining oil pressure when the engine is at its • ACR can be installed on stock or Screamin' Eagle ® Performance cylinder heads for all '07-later Twin Cam equipped models • Install requires machining to be performed by a competent machinist using the Screamin' Eagle ® Automatic Compression Release Fixture Kit P/N 94648-08 (sold separately) Mar 4, 2021 · Here is a great tech tip that Mike demonstrates for any members who are working in their cam compartment. Video shows how to remove Sep 17, 2020 · Refer to the manual for proper removal of the pressure relief valve. Oct 24, 2013 · just looking to see where to go next,i am getting a loud chirping noise and slight tick from the topend. D. I haven't tried it, but I have seen the results on freshly shut down engines. I had the same thing on an 11 103. COUNTRY OF ORIGIN: USA Jun 1, 2014 · It is my impression that the red oil light is very connected with this knocking/pinging in the front cylinder. I think my next move needs to be pulling the spring and plunger and checking for burrs and trapped debris inside the cam plate bore for the pressure relief passage. Or you can install a Baisley pressure relief spring which does the same as the shim but is probably calibrated more accurately. Lots of issues with Harley oil pressure sensors. According to the manual the valve comes into play at pressures above 35 psi. Results: higher oil pressure at low engine rpms. If there was a way to make a nice crank scraper and good windage protection in the oil pan the crank held oil could be controlled and the pressure Apr 16, 2013 · According to a tech in IronWorks: It’s be said that a majority of oil pressure problems with the Twin Cam engine are related to a malfunctioning pressure relief valve; either the relief valve sticks in the bore, and/or fails to seat and seal properly which causes leakage. If you increase the pop off pressure of this valve (spring rate) oil pressure will rise to the level controlled by this valve. This is a issue not talked about with the instruction sheet for the SE HV oil pump and cam-plate combo kit but there is a HD kit to plug this hole. If the valve is stuck open it can't build pressure. Dec 26, 2011 · I opened up my new (to me) '04 FXDP with TC88 today to inspect/replace the cam chain tensioners (had never been done by po) and not only was the inner tensioner down to the metal (outer was like new), but I could not get the oil pressure relief piston out to clean it up & clean up the bore. This bypass valve consists of a precision-machined “needle and seat” that inserts in place of the factory oil pressure relief valve located within the Twin Cam Apr 29, 2014 · I would definitely check out the pressure relief valve and maybe get a pressure reading from a different area and with a different gauge. 5. Refer to manual for proper May 8, 2024 · Kit includes valve plunger, spring and roll pin. all 4 pushrods (2 shorter + 2 longer) 6. It will drop back to 30lbs when the engine is warmed up good but until then if I rev the motor it will go to max. COUNTRY OF ORIGIN: USA First of all, oil pumps are expensive, whether you buy an oil pump from Harley-Davidson or you buy an aftermarket oil pump. When bench setting, you will find that the SP-TC oil pressure relief valve spring kit has a very consistant spring rate between springs. Upon start up the bike Nov 28, 2011 · You would have to spend thousands of hours on a myriad of combos on some kind of spintron based on H. However, the factory-installed valve body does not have a concentric taper to seal on, and does not properly seal oil pressure when operating below the blow-off point (lower May 9, 2008 · On mine the spring was badly bent and the valve was sticky. When the oil pressure exceeds the setting of the relief valve spring 35 psi (241. , but its good you are changeing them. Products SP-TC includes three different rated springs! Our SP-1 "Superpump-Kit" works in all '73 to '99 aluminum bodied stock Harley Shovelhead and Evolution oil pumps along with most aftermarket oil pumps. I have noticed that when I start the bike up the oil pressure gauge goes right up to the max and runs there for a while. Mar 22, 2018 · This Harley Twin Cam Oil Pressure relief valve spring kit from E. If you look at the oil circuit from the pressure side of the oil pump to the oil gallery in the cam plate the relief valve when open will send the pumped oil right back to the inlet of the pump. They did not have oil seals but rather relied on a tight fit in their steel valve guides. Either way, they recommend a pressure test. The supplied modified long reach plug is never to be installed directly into the engine without first being installed into the compression release body. It will increase oil pressure therefore keeping lifters pumped up. Oil pressure pickup is after the relief valve which is right at the pump really. stop at light about 10#. Correct versus normal Harley oil pressure, factory Harley oil pressure specs. If you remove the outer chain and outer tensioner, you can carefully drive the split drift pin in, (Catch it) and remove the spring and relief plunger from the port. Part # 8002 Fits: 99 - 15 Twin Cam Engine camplates All Models. 7 CR/Stock Throttlebody and SE air filter/500cc injectors/TTS and modified EFI to '07 w/O2 sensors/Super Premium Oil Cooler/SE Clutch spring w/Easy-pull ramp and a bunch of this and that! Nov 13, 2020 · If Harley’s Twin-Cam powered bikes had an Achilles heel, it was the motor’s oiling system. If the relief valve is stuck in the closed position the oil pump will reach max pressure forcing the oil to the filter. The problem is varying spring lengths and tensions. 006 runout on the pinion shaft Dec 11, 2023 · One way to solve this problem is by removing and polishing the relief valve plunger until it moves freely in the cam plate bore. semoc bfcks pzgq ndiam obn ief syn gjjha imfueno pblh