1972 455 HO Pontiac 600 HP Dyno Pulls
done at AMS Racing Engines in West Allis, Wisconsin on 10 July 2009.
Pontiac 400 HO engine Dyno Test
This was a Dyno Run on my Pontiac Firebird 400 HO engine build and tested by Terry Walter Precision Engines. Pontiac 400 block +.030 Pontiac #16 Heads 2.11/1.77 Forged Piston dished to bring CR down to 9.2 comp XE262H Cam Holley Carb Cast Iron Intake Pontiac Long Branch Headers
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.
Trans Am 455 HO v Buick GS 455 Stage 1 - Burnout & 1/4 Mile Drag Race x 2 - Road Test TV
http://www.RoadTestTV.com 1/4 mile drag race between a 1971 Buick GS 455 Stage 1 and a 1971 Pontiac Trans Am 455 HO. Both cars a stock and running stock biased ply tires. Road Test TV - We Live Hi Performance! Please SUBSCRIBE http://www.youtube.com/subscription_center?add_user=roadtesttv