I put a head & cams in an s52 a few years back due to warpage from an overheat. The exhaust cam packaging was beat up but no visible damage. Within a few hundred miles the exhaust cam broke and snapped the timing chain. Turns out the cam was warped, looked similar to what you have. Some scored bearings, some OK. It would not explain the lack of oil pressure but is worth checking.
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F*cked Up S50 Cam
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If the oil squirters aren't in, all your oil pressure might just be blowing out through where the squirted are supposed to be. There might not be enough back pressure to get oil pumped to the top of the motor. This is just speculation though, I don't know if this would actually happen or not.
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Well, I removed the oil pan, nut still on there. A few days later went to check on things and I looked at the oil pickup tube again, then I looked at the gasket and yup, that has to be my problem! Oil wasn't getting through that hole!
A member mentioned oil squirters. Will be removing crank tomorrow to verify they are in there but I doubt it. A friend has a blown M52 that he's willing to give. me. Will crank/rod bearings and oil squirters fit in my s50?
Thank you all for your help!
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