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Old 02-24-2012, 01:32 AM
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what gear ratio to run w/turbo 400

i'm looking for advice on gear ratio for 69 gto with turbo 400 manual shift body. i would still like to run down the freeway without redline
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Old 02-24-2012, 11:20 AM
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So you're saying it would be acceptable to run down the freeway at 5400-5600 rpm's??...I don't think anyone is sure what you are asking here.
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Old 02-24-2012, 11:56 AM
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Quote:
Originally Posted by 69 gto
i'm looking for advice on gear ratio for 69 gto with turbo 400 manual shift body. i would still like to run down the freeway without redline
A 3.23 gear is very comfortable for highway use with 26" to 28" tall tires. Probably good with even smaller tires.

Bill
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Old 02-24-2012, 05:54 PM
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X 2 with WD , my 64 has the 3.23. Tires are 26.4 inches in Diameter .does OK at 65 mph. Plenty of grunt froma dead stop.
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Old 02-24-2012, 08:12 PM
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69gto

i guess i would want to keep my rpm's on the freeway around 3200-3500 doing 70ish with 275 60 15s not sure what that is in inches,also any advice on a sticky street leagal tire. My 275s' spin at will even while rolling and knife the gas.
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