1962 Pontiac Catalina 421 Super Duty 4-Speed
1962 Pontiac Catalina 421 Super Duty 4-Speed
Nov 3, 2022
bringatrailer.com
421 SUPER DUTY ON THE DYNO @ Butler Performance!! This 421 SD is using the early "306" heads. These flow a little less than the 1962/ #127's and much less than the 1963/ #980 heads, but it still made great power. Almost 500 HP and well over 500 ft.lbs. of torque!! We actually have both a 1962 389 SD with #127 heads and 1963 421 SD with #980 heads in the shop now that we'll be finishing soon. We love working on these old, rare SD's and really love to hear them scream on the dyno! #ButlerPerforman
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421 SUPER DUTY ON THE DYNO @ Butler Performance!! This 421 SD i…
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Art & Inspiration - 409 chevy versus 421 pontiac
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28K views · 865 reactions | The Untold Story of Pontiac’s 421 Super Duty — Faster, Louder, and Banned! #MuscleCar #ClassicCars #V8Power #EngineWars #CarEnthusiast #Horsepower #AmericanTrucks #DieselLegends #DieselTrucks | Wandering.Wheels | Facebook
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28K views · 865 reactions | The Untold Story of Pontiac’s 421 Sup…
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1962 Pontiac Catalina
1962 Pontiac Catalina
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