Quote:
Originally Posted by mchell
My similar combo: less head flow(295 dport), rpm, quadrajet…made 555/577 on the engine dyno. Pulls to 6k. Peak hp was 5800 I believe. Didn’t do a thing to it. Pure tractor motor. Didn’t care if timing was 30-36….You could certainly achieve higher peak dyno #s with carbs/intakes/spacers …cam would certainly help
I swear I just watched a hp tv episode where they installed a butler crate 455….supposed to see well north of 500hp….don’t recall that they were close
Dyno’s……..
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Tony angelos firebird was on hagerty and made like 340 rwp. He seemed disappointed.
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72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007
(cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD
1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.64 @ 87.3 mph on slippery street tires.Bad 2.25 60ft.Owned since 86'
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