Dyno Time! We took the customers 400 engine from his '67 GTO and made a 461 using one of our Balanced 4.250 stroke rotating assemblies, and a set of custom ported Edelbrock D-port heads, set up to run on 91 octane pump gas. The engine made 582 ft/lbs of torque @ 3500 and 491 horsepower @ 5300, with a very mild BP/COMP custom grind hyd roller cam. | Butler Performance Pontiac
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Dyno Time! We took the customers 400 engine from his '67 GTO and …
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FacebookButler Performance Pontiac
We had this 400 Pontiac in for a dyno tune, carburettor, gearbox issues and a general safety check. Leaving with 100 more hp than it came in with and using a lot less fuel ! #sttpracing #dynotune #rollingroad #pontiactransam #smokeyandthebandit | Straight To The Point Racing
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We had this 400 Pontiac in for a dyno tune, carburettor, gearbox is…
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FacebookStraight To The Point Racing
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