We exchanged messages about our similar 428's on the other board. Haven't been able to get on to the other one. Is it down? Anyway, I'm looking for ballpark jetting for my 428. Again, what was the final jetting on your 517hp 428? Mine seems to be way fat.
432cu
10.66 cr
236/236 dur .576/.576 lift
Edelbrock RPM
Holley 800DP
Proform Main body
Mallory Unilite 37 deg total
MSD 6AL
2800 stall Fairbanks
4.11 to 1 Trac-Loc
31"x 9" Hoosier
65 Ford F100 LWB 4100# w/driver
Best 1/4 mi: 13.38 @ 102
Equates to 330-360hp. Not even remotely close to what it capable of. Rather disappointing.
Thanks for your help again.
Hal
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