When do you need to rebuild an engine. The miles on my truck are sitting over 159,###.
when it don't go no more, i got 235, on mine your good to go for a wile
got 270.ooo on my chevy
Till it goes BOOM!
Cylinder compression test will tell you..
not knowing your motor.. averages would be...
difference between cylinders should be no more than 5 - 10 psi..
and be no more than 25% under factory recommendations.
thanxs guys
if its not smokin or knockin then just keep doin scheduled maintenance untill it does