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I need help choosing the right gear ratio...

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Old 07-12-2006, 02:46 PM
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Default I need help choosing the right gear ratio...

This is for a buddy of mine... he just had a 396LT1/4 built... the car is a 3450lbs 97 Formula Firebird with a M6... he has chosen to go with a 26" slick... what do you think would be the ideal setup for him tire and gear wise? He currently has a 3.73 in a 12 bolt... I am thinking 4.10's?

Old 07-13-2006, 03:45 PM
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What RPM is he shifting the car at?

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Old 07-13-2006, 04:08 PM
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Based on his dyno graph above, I would say ~6100RPM...
Old 07-13-2006, 08:11 PM
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Does he plan to spray it? He's going to be really close to running out of gear with 4.10's and a 26" tire as is, probably will be out of gear if it cuts a good 60'. My car ran out of gear at 117 with the limiter at 6400 with 4.11's and a 26" tire.




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