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Discussion Starter #1
Hello everone
i have s197 with vortech v3 supercharger
is ther any guys can look my datalog
i have massive knock on high boost
the tuner said this is false but there is nothing found cause of false knock
thx
 

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Put racing fuel in it then make a blast. If it stops knocking then it's real knock.

ks
 

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If you don't have higher octane fuel, then reduce your total timing by 2-3 degrees.

I hope this helps
Michael Plummer
 

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Discussion Starter #5
thank you but the peak of my advance on full throtle is 8.5
tuner say this is false knock but i cant find if it is false
look like its impossible to find
we serached everything around many days but nothing found of cause false knock
in your opinion around + 5 degree of knock if it is real is it hear with ears?
thx
 
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