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Old 01-12-2007
cardiacpaul cardiacpaul is offline
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cardiacpaul is a jewel in the rough cardiacpaul is a jewel in the rough cardiacpaul is a jewel in the rough
5-10 lbs after warm up @ idle is not good.

it could be that the oil is to "Light", ie: 20wt, or that its diluted with gas, but I doubt it.

More likely the mains and rod bearings and cam bearings are worn, and/or the oil pump needs to be rebuilt.

In either case, first try to change the oil to SAE 30wt, or use 20-50 multi grade (yea, I know its not "recommended", but you're not going to hurt anything) and see if it helps.

If it does, run with it.

If it doesn't, you're looking at a rebuild.
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