Blow Down Testing

May 28, 2007 1 Replies
S
1995 Pontiac Grand AM four cylinder.

I understand how to do cylinder blow down testing but do not know how to interpret the results. I would imagine if it lost no pressure, that would be good. What if it lost say 10 PSI in one minute is that good? What is good and what is bad?


Thanks, Scott


Vote
Twitter Facebook LinkedIn
T

This is how it's done with general aviation engines:

formatting link
This is one part of an airplane's annual inspection where we owners hold our breath.

Vote
Twitter Facebook LinkedIn

Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required