Quote:
Originally Posted by Matt@Cosworth
if you change the inlet cam timing then the injection timing should travel with it, on very highly tuned engines ( F1) with pfi the injection timing map varies by 200 degrees
the gains are small however on the FA20 as its not that strongly tuned
I found about 3-4Bhp on our supercharger tune by varying the DI timing in conjunction with the altered cam timing and little extra by varying the PFi timing also
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So how about on NA, equivalent to your 1.2/1.3?