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Real Knock vs Fake Knock

Posted: Tue Apr 08, 2008 6:19 pm
by kial007
I just got my stroked F20C up and running and I'm getting a ridiculously high knock count. I'm using Skunk 2 cams and valvetrain and after doing some searching on this forum, I found some posts about fake knock being picked up in K series engines with aftermarket cams. I'm thinking this may be what I'm seeing but I want to make sure it is a known issue. Am I correct and any idea what causes this? Thanks.

Posted: Wed Apr 09, 2008 9:28 am
by Spunkster
Try making drastic changes in the ignition timing and see if it goes away. If it does it was knock.

Posted: Thu Apr 10, 2008 9:53 pm
by Mase
ive tuned several stroker f20c's. be careful on the ignition timing.