Originally Posted by
velociabstract
I did a home compression test a few years ago. I got 149 psi warm with almost no variation between the cylinders. I cranked for 5 rotations each cylinder.
Les
Thats a healty engine.
i have talked to mechanic on Mercedes, No one else knows. Its a riddle.
11 - 14 bar , 159,5 psi - 203 . psi . Very good engine. super
10 - 11 bar, 145 - 159,5. OK
9 bar, 130,5 psi. Bad engine. No pressure