mick

I have 130 psi on all 4 cylinders. How much longer should this engine run? How many miles? How much power am I losing?

rogoman

At that compression, the motor can probably last another 100,000 - 200,000 mi. However as you put more miles on, the compression will continue to drop further along with the power loss.

As far as power loss, you've probably lost approximately 30 to 40 HP.

__________________
KA > SR anyday of the week.

mick

I retested the compression after replacing the timing chain. It now reads 150-150-150-160. Would the difference in one cylinder be noticable?

rogoman

A difference of 10 psi would not be noticeable. The FSM states a 14 psi differential limit between cylinders so you're OK.

Are you doing the compression test correctly? While testing a cylinder, make sure the throttle valve is fully open.

__________________
KA > SR anyday of the week.