I don't see a problem, I'm running '67 383 in my Barracuda FB w/ Edelbrock E-street w/75cc @ 10.25 compression & a Comp XE274 w/1.6 rockers & its my daily, makes good power & I ran 12.8@108 in the 1/4 w/stock converter 727 & 4.10 gears.
This is exactly what I mean
I ran 12.9/106 with 223cam and 10.9 compression at 3650 on 245/60-14 streets, spinning most of the way. A833 and 3.55s, also my daily....all summer, May-long to Oct 10th
Static compression ratio of ......................10.9:1.
Your dynamic compression ratio is ........... 8.91:1 .
Your dynamic cranking pressure is............ 183.76 PSI.
V/P (Volume to Pressure Index) is ............162
