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4A-GE MK1 Engine compression test question.... [Archive] - Toyota MR2 Message Board,AI智能索引,全网链接索引,智能导航,网页索引
- Knowns: original 4age engine w/168k miles in my 86, runs fine but has some leaking valve seals and gets a puff of black/grayish smoke when i accelerate hard.
Before i started any maint, i wanted to check compression too kinda see what i was dealing with, so i did and the numbers are stumping me. I got 130 psi +/- a pound or two on each cylinder, with the accelerator to the floor and a good battery, but the engine was cold(raining outside and just washed, didnt want to warm it up in the