C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Jul 12, 2006 | 10:57 PM
  #1  
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vettlag
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Default gears

have 85 vet would like to change gears but still want top end 3.75/3.54 what to do have dana 36 stock in put
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Old Jul 12, 2006 | 10:59 PM
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Huh?
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Old Jul 12, 2006 | 11:06 PM
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Originally Posted by vettlag
have 85 vet would like to change gears but still want top end 3.75/3.54 what to do have dana 36 stock in put
3.54's are still steep for a stock 85' assuming its stock or near it. stay away from 3.73/3.75 ratios unless you have a TPI made to breath at higher r's. 3.07's are your best bet for performance and top end.
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Old Jul 12, 2006 | 11:08 PM
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Default huh

forget the gears gat a better cam
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Old Jul 12, 2006 | 11:31 PM
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TPI doesnt need that much gear, especially with an automatic.

Start thinking about more extensive engine mods that allow it to breathe on the top end.
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