12-07-2017, 11:11 AM
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CC Member
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Join Date: May 2012
Location: Wickenburg,
AZ
Cobra Make, Engine: Superformance, 427 FE
Posts: 197
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Not Ranked
If I had 3:50 rear gears, I see going .82. If I drove at 55-60 on the highway, same. But my highway drive is 75. The 428FE did fine for me with .68. So I am thinking with a 70% increase in power should be good. Torque is a beast from idle to 5500. Highest at 3600. According to the calculator, I will be over 2000 RPM. From the engine dyno that is around 650 TQ and 300 HP.
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