R Rayray13 10 Year Joined Sep 16, 2012 Threads 2 Messages 6 Oct 17, 2012 #1 I'm buying a motor for my 85 and the one I'm buying is used. With 77k miles on it. The compression numbers were 185 on all 4. Does that sound good or about right?
I'm buying a motor for my 85 and the one I'm buying is used. With 77k miles on it. The compression numbers were 185 on all 4. Does that sound good or about right?
pappy photosynthesizing Moderator 10 Year 15 Year 20 Year Joined Oct 7, 2003 Threads 408 Messages 13,210 Location Too far north. Too far east. Oct 17, 2012 #2 According to the FSM compression should be 171psi, with no more than 14 psi between cylinders. You might need to run the good gas in this engine.
According to the FSM compression should be 171psi, with no more than 14 psi between cylinders. You might need to run the good gas in this engine.