Quote:
Originally Posted by Formulajones
It's a 4.750 stroke and 4.350 bore
It made those numbers with a Victor intake and 2 inch super sucker with a 4150 950 HP on top. Oddly dynod with a dominator and it only made 6 more HP but the average torque dropped over the small carb so it was decided to keep the 4150 on it for more air cleaner choices.
It was also dynod with the 2" chassis headers he runs on the car and bischoff had a short 3" exhaust setup attached to it.
Typically dyno operators run a dyno header on there similar to sprint car headers which will inflate the numbers a bit more
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On my 500 we dynoed it with my Demon 850 that has been great on every engine as well as a 2" Dominator adapter and an 8896 and no difference in HP and a little down on the low end.
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1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever!
1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand
1965 GTO 4 barrel 3 speed project
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