Originally Posted by Texas_Ace

The numbers themselves are worthless, ideally you want leakage to be in the sub 10% range. But that gauge is biased depending on how much input pressure you put in.

Listening to it is worthwhile. If it was coming out the dipstick then it is most likely worn/stuck rings. You could try a seafoam treatment and even putting some in the oil, it has been known to help stuck rings.

I would get another compression tester, one with the shortest hose you can use. Then see what that reads.

In the end though, if it runs, then drive it. Don't mess with the motor till it dies. It is usually cheaper to just get another motor vs rebuilding. That why i am not worried about mine, long as it runs, i will drive it.

I would change the oil out for mobile 1. It sucks as an oil but works GREAT as a cleaner. Will clean the inside of a motor to like new. After you run that for a few thousand miles go to a good oil. I like rotella T6 personally. AMSoil is better but costs more.

Originally Posted by vital22re

do not make duplicate threads. I will combine your current two.