fiddlermj Posted August 20 Share Posted August 20 So i put new lifters, rods, and rockers in 4.0 6 4x4 1988 comanche and now…. After everything put back together I'm blowing oil but can't figure out where. Its under driver side of engine … all over side wall and just everywhere. Link to comment Share on other sites More sharing options...
fiddlermj Posted August 20 Author Share Posted August 20 FYI- i found its all coming out the oil cap…. When I take oil cap off…. It doesnt cheech out on me. Just…. Pfffff oil everywhere. Link to comment Share on other sites More sharing options...
pizzaman09 Posted August 22 Share Posted August 22 Eh, check your air filter, could be a bad PVC, the big hose coming from the valve cover to the intake. Link to comment Share on other sites More sharing options...
fiddlermj Posted August 27 Author Share Posted August 27 You were right Link to comment Share on other sites More sharing options...
pizzaman09 Posted August 28 Share Posted August 28 Glad to help! Luckily an easy fix. Link to comment Share on other sites More sharing options...
fiddlermj Posted August 28 Author Share Posted August 28 Ok new main bearings, rings, rod bearings, rods, lifters, rockers…new pvc ? Thingy…. Still blowing oil alot. Link to comment Share on other sites More sharing options...
pizzaman09 Posted August 29 Share Posted August 29 So you are saying you did new piston rings? How about valve stem seals? Link to comment Share on other sites More sharing options...
fiddlermj Posted August 29 Author Share Posted August 29 I have not done piston rings or valve stem seals. Aggravatingly, in the back of my mind, i feel like thats coming. But compression is great all across 127-130. Which had me thinking rings were good. I take oil cap off and no suction or air coming from oil cap. (Which is where the oil is also coming from). I did the valve cover mod. I still have a knock/tick thing which after everything i have done sounds like maybe a wrist pin. 🤷🏻♀️. Cause no skirts or anything in pan. Does the oil pump have pressure or/is supposed to be regulated? I will say oil shoots out like geysers outta of lifters/rockers. I'm running 15w40 diesel oil. Wondering should i run 10w30 now since i have replaced a bunch of stuff Link to comment Share on other sites More sharing options...
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