1972 455 HO Pontiac 600 HP Dyno Pulls
done at AMS Racing Engines in West Allis, Wisconsin on 10 July 2009.
1972 Pontiac 455 HO
Another high end Pontiac engine built by Spotts Performance. All numbers matching 1972 Trans Am 4 speed WD block code, 7F6 round port heads, custom hydraulic roller cam, stainless steel valves, electronic ignition with rev limiter. 450 HP on 87 octane.
Pontiac 455 Dyno
.030 Over 455 , 10:1 forged rotating assembly, 4 bolt mains, e-heads. Full Roller motor. 475hp/560ft lbs@ 5000 rpm.
Frank Jenkins 455 Pontiac power
Pontiac Street/strip 455. Comp hyd cam (P XE274H-10) with ported 6X heads (2.11/1.77 Ferrea valves) and intake to match, Roller rockers/moly pushrods, H-beam rods, Icon 2 eyebrow forged pistons. Quick Fuel 830cfm carb, Nice crisp throttle response too.