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Old 04-27-2010, 05:32 PM
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I have a 99TA with a soon to be done 408 with 9.5 to 1 cr with ysi supercharger and 12 psi . I will be useing 50 shot to cool the intake temp . Now what gear do u all use in a six speed car with a blower.
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Old 04-27-2010, 05:54 PM
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Originally Posted by Chris'stransam
I have a 99TA with a soon to be done 408 with 9.5 to 1 cr with ysi supercharger and 12 psi . I will be useing 50 shot to cool the intake temp . Now what gear do u all use in a six speed car with a blower.
I would go with 3.42's, maybe a 3.73 at the most.
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Old 04-27-2010, 07:33 PM
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if you are talking about for drag racing it is purely mathematical

desired shift rpm =
rear tire diameter =
desired trap speed =

enter these into one of many online calculators and you will find the optimum rear gear.
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