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Old 01-22-2013, 03:13 AM
jeepers creepers jeepers creepers is offline
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Originally Posted by 496CHEVY3100 View Post
You did not say if it was 1 cyl or all ,if 1 cylinder check for vacumn leak at base gasket or intake ,if more than one check vacumn hose ,or LEAN condition at higher rpm not rich,if it were rich it would be black,but by headers turning red i would go with lean and timing .also check harmonic balancer to make sure is us marked for your application ,some are marked at 12 o clock some at 2 oclock
i will check timing again, i had to machine a new groove on the balancer because the mark on the timing cover wasn't matching, found a great "tutorial" about what to do that properly and now seems to be ok, my feeling is that i can give her a bit more advance.
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