Quote:
Originally Posted by KAT-PWR
Okay Dunc, good to see you on zilvia.
I'm guessing because cylinder pressures and his continued head light issues?
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yea, its really the cylinder pressures and adjusting the timing properly. I finally cured my head lifting issues by using washer inserts. But I detonate on E70 fuel compared to E80 and higher. I have heard so many posts and people say " I run the same boost and timing regardless. It doesn't matter." Maybe because they are all low compression motors. I can only speculate. But for my high compression motor. I had to pull 5* timing out of the motor to keep it from knocking and even then I just stopped at 23psi. Don't feel comfortable trying to push the motor any more on such crappy fuel. Once the summer blend is back. I have no issues with knock. All honesty if I had to do it all over I would have gone 9.5:1. Gives you cushion for knock thresh hold.
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842whp KA-T
"Anyone can make power but how long can you make it last?"
Last edited by duncan351; 12-19-2016 at 05:21 PM..
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