Posted by Bryan on May 12, 2002 at 01:29:17:
In Reply to: engine noise when revved posted by Jon D. on May 12, 2002 at 00:22:10:
Sounds like pinging (predetonation) to me. Be
careful or you'll mark up your combustion chambers
and destroy valves!! I had the same thing happen
when I ran cheap 87 octane fuel one time. I added
octane booster to get it to 92 octane and problem
solved!!