Re: Head and rockers.
Sounds like detonation to me. Normally that will happen under load when the timing is to advanced and the mixture is to lean and or there is not enough octane. I'd get one of those cheaper lights and just see, Or just retard the timing a bit and see if it goes away.
__________________
"Excuse the rust I use my truck"
1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.
1964 Chevy C20 292/SM420
1966 Chevy C10 292 hotrod 6/TKO600
My youtube channel aka Military Chevy: To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.
|