Originally Posted by Steve90TTZ
I did a leak down test last week.
#1-14%
#2-11%
#3-6%
#4-9%
How are the numbers for a 120,000miles? I also started running premium fuel and ran some combustion chamber package from BG products. It seems to be much better with almost no hint of ping.
Steve
where were the cylinders leaking? where did you hear the air hissing from