Quote:
Originally Posted by awddynamite
i think he will be fine, i did an all motor build a while back that the customer did not finish but it won the dyno day at NHRA two years back (check website for verification) and after shaving the head 12.5:1 JE's the comp was around the 13.1 to 13.5 range it also has crower stage 3's in it and had no problems.................. this was with no tuning and AF's in the low 10s to high high 9s.
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Justin, you just saved me a bit of time and concern. Great info! Must have shaved the sheit out of that head to pull comp to the 13's. Approx values of .050 shaved. Though I did shave my 4g63 to .053ish (?) with FP2's and got away with it.
Love the AF's
MB