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421 H.O. Tri-Power Engine Build - Part 2
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Finding 100 horses in a 421 H.O. Tri-Power equipped Pontiac hot rod. Check out the dyno testing!
Check out Part 1 of our engine build!
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Photo Gallery: 421 H.O. Tri-Power Engine Build - Part 2 - High Performance Pontiac
Photo Gallery: 421 H.O. Tri-Power Engine Build - Part 2 - High Performance Pontiac
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I ran against these engines back in the late 70's in my 1968 Dodge Charger R/T with a hot 440 Magnum. Those Catalina's were big and heavy but with that multi carb'ed 421 mill they would do high 12's all day long. Most of the SD Cat's had 4 speed's and my Charger had the super reliable and consistent Fairbanks built A727 TorqueFlite trans so I won more then I lost in heavy eliminator class at E-Town. I had great respect for those big Poncho mills, if they had a decent 3 speed auto trans they would have dominated the heavy class.