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2G Constant knock issue, low timing high knock.

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breaksdaily

Proven Member
97
16
Nov 4, 2014
Colombus, Georgia
98 GSX Auto, injectors, pump, FP Red, afpr, 3" Turbo back, 272 cams, stock motor good compression.

I'm running into a constant knock issue even at only 18-22psi, -2 to 2° timing advance if that with 10.8- 11.0 afrs during the pull, I'm logging in link 4-7° of knock especially once the car is in 3rd gear....its on the rich side with literally no timing advance and lower boost levels, it seems to be highly effected by load, car is on 93 octane pump.

No idea
 
Yeah a log would be helpful. But too rich can cause knock, too low timing for extended periods of time can cause knock. Or it could just be phantom knock. Balance shaft out, a good rattle, could be a number of things.
 
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