regular protege motor

Not to change subject but why do most places that build forged motor require you to use 20-50w oil? I thought the forged motors were built to tighter tolerances then the stock motors.
 
He was running 12-13 psi, he was bound to blow. His WGA is probably bad, ok not probably is bad.
 
Not to change subject but why do most places that build forged motor require you to use 20-50w oil? I thought the forged motors were built to tighter tolerances then the stock motors.

I think that's just for break in so the rings expand well. I'd probably only run a 10-40 on my own car.
 
no it happen when i installed the bc. it was work good for like 2mon. the it would spike to 10 then 13psi
 
I have found out if a car runs exceptionally well all of a sudden some s*** is about to go down with it.

I've always said that myself, if it's running it's best it is about to blow. Neox has heard me say that a few times about my car. I've been thinking it's going to blow for a while.
 
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