Another oil pressure thread |
11-15-2018, (Subject: Another oil pressure thread ) Post: #27 | |||
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RE: Another oil pressure thread (11-15-2018 )snailexpress Wrote: New head installed doesn't make any sense to me. Why? I have it on my engine done. Done by someone who did it wrong. After 5K miles look at this picture.I have to get oil pressure first................ Post oil filter is 8psi I wish I could get 25. The head that came on it and now a new head to rule out the head. New shafts to rule out the shafts and all new rockers to remove any doubt that there a problem with the head it’s self. This is what I know so far. The head, cams, cam bearings, rockers,oil pickup tube and o-ring, oil pump, oil pump regulator, oil pump shims,filter bypass valve, are all new. We are as time permits going to plastigauge the main and rod bearings. Then check the engine breaks for pressure leakage. All the nozzles have been removed ,checked and oil galleys as we have moved through this engine. Is that to say that there isn’t a piece of rubber or othe contaminate in there somewhere? No . So far every test and or subsequent change has yielded no gain in pressure and no bad/spun bearings have been found. It’s bleeding pressure somewhere and has only ran once’s with the current head on it. The head that was removed and replaced had 289 miles on with same pressure. Because of Rawze, his suggestion with explanation, I’m plastigauging main and rod bearings. His theory and explanations made since and fit the symptoms. The motor acts like it has a spun bearing but with out one so far. My point of the other head is that there was no damage to the head and after replacement the oil pressure remained the same. It would be great if I had a blocked spray nozzle and the knowledge of them becoming blocked from oil filter seals are nice to know but isn’t currently relative to my situation as the head has no spun bearings. Ibsay this, I have yet to pull the idler gear for a inspection to see if it has a spun bearing but that’s on my to do list. I may just be rinse and missing something here. User's Signature: Have you checked your muffler bearings today? | |||
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