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#1
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I am a big fan of the 4" stroke engines. If it was my build I would go 4". Moves the rpm range up a little bit and kills a little bottom end.
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65 GTO, Tiger Gold, Nostalgia Super Stock 421, 2-Carter AFB carbs, Stock Suspension, 3550lbs Full Exhaust-- 9.70's@135 66 GTO (Retired race car) 421 CID Multiple NSCA/NMCA World Champion 66 GTO 389 3x2, 4 speed, 3.90 gear, Montero Red 33K original Miles 67 GTO 2dr Post, 428, Tri Power, 3.55 Gears 80 Trans Am Black SE Y84 W72 WS6 |
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#2
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Quote:
Reason why the dynos don't even care what happens below 4,000 RPM but who REALLY Drives ABOVE 4,000 RPM for longer than 15 seconds? Yup, overbuilding "happens" And after all that, the HP is only a estimation, even on a dyno...... How many folks have switched out their Torque converters for Horsepower converters?
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" Long may we DRIVE !" Last edited by Formulabruce; 01-18-2022 at 07:44 PM. |
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#3
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The 4" stroke has plenty of low end torque for any street car.
I think it would be a lot easier on the stock drivetrain the OP is running.
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65 GTO, Tiger Gold, Nostalgia Super Stock 421, 2-Carter AFB carbs, Stock Suspension, 3550lbs Full Exhaust-- 9.70's@135 66 GTO (Retired race car) 421 CID Multiple NSCA/NMCA World Champion 66 GTO 389 3x2, 4 speed, 3.90 gear, Montero Red 33K original Miles 67 GTO 2dr Post, 428, Tri Power, 3.55 Gears 80 Trans Am Black SE Y84 W72 WS6 |
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