On pump gas, 280 HP at the rear wheels. 455, 9.3 CR.
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Don
1968 Convertible, 455, 4 speed
Did a chassis dyno last year.
374 hp 412 tq to the rear wheels at 5,100. Stock looking build (HR set-up), not-stroked, ported #13 heads, 400 .040 over. Quadrajet, LBM's, 2 1/2" exhaust. Th400
91 Octane
I think anything around the 3 mark can provide some good driving experiences. Anything else is all gravy (but good gravy)!