06-13-2012, 09:00 PM
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CC Member
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Join Date: May 2006
Location: St. Louisville,
Oh
Cobra Make, Engine: A&C 67 427 cobra SB
Posts: 2,445
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Not Ranked
It has as much to do with what gearing you have and how fast you want to go, as much as it does torque verses traction.
With a TKO 600 and 3.5:1 rear gear, first gear is ~10:1 total ratio. 300 lb-ft of torque would get you 3000 at the wheels (ignoring drive train losses). Can you hook that to the ground? Maybe depending on tires. At 6500 rpm first gear will get you to 50 mph.
2nd gear is ~6.6 total ratio and will get you to 77 mph. So about 450 lb-ft of engine torque will get you to 3000 at the wheels in 2nd gear.
3rd gear is ~4.5 total ratio and will get you to 114 mph. So about 660 lb-ft of engine torque will get you to 3000 at the wheels in 3rd gear.
Bottom line is how much torque can you reliably keep hooked to the ground and what speed are you willing to go to. Personally the idea of having the tires break loose at over 100 mph does not sound fun to me anymore. If your not going to stay on the throttle past 2nd gear, about 450 Hp give or take should be enough, depending on tires and gearing.
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