Yeah Im saying I have stock pistons and box stock heads. I run 16degrees initial timing and Ive never had a ping out of the motor.
I dont know why...
Sky
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-1989 Saleen Mustang #406- TFS Heads, E-303, edelbrock intake,70MM TB, 73mm MAF, off road H, headers and 3chamber flows.
12.55@107mph
Runs on 87 Octane and gets 24mpg!