Skip- Holley Street dominator intake (modified by Dave Bischopp) with same 1/2" spacer and HP950 carb was 401hp at 4000 and 589 hp at 5600 rpm compared to the 493 hp & 566 hp with the Torker II intake. Both had peak torque at about 4500/4600 rpm with 576 ft.lbs on the Torker II and 589 ft.'bs with the HSD intake. Performer Rpm intake had the same 589 ft.lbs. at a lower 4400 peak rpm.
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