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Discussion Starter #1 (Edited)
ok so just plastigaged my mains and these are the results.
1-.002
2-.003
3-.003
4-.002
5-.002

im using acl std size bearings to. i torqued the girdle in two staged. first 18pounds starting center and working out then to 38 starting center and working out.
if these clearances are to tight what do i do?
or am i just doing something wrong?
 

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Did you plastiguage crank to bearing, or bearing to girdle?
If you have clearance between the bearing and girdle, then there is absolutely no bearing crush. Not good.

I ASSume you mean between the crank and the bearing on the girdle half?
 

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Mine were about that loose, with acl race bearings. I ran it Got 6000km on it making near 350whp. Makes great oil pressure, 25psi hot idle, 75-80psi 7500rpm. I run Brad penn 20w50 oil however.
 

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Discussion Starter #15
so after some research im prob going with king bearings in std sizing. so far everything i read about king is good.
also after build i do plan on driving the car alot and its being built to be boosted in case that changes anything. power wise i want to be mid 300.
 

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Discussion Starter #17
so whats wrong with running the acl race? obviously they work...why would the OP need to get diff bearings?
i think my main problem is that acl race is too loose for what im using it for. if i was building this engine for drag racing or track racing i would keep these since its a little looser fitting but since im using this as a street car and drive it 2-3 days a week i need tighter tolerances like .0015
 
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