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Old 09-09-2003, 01:33 PM
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gear ratio selection

i am currently working on a 93 s10 conversion i am running a basicly stock 350 (all stock with just a mild cam) with a muncie m20 behind it and a posi rear. My question is should i run 3.73, 4.10, 4.11, 4.56 ect. gear ratio.

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Old 09-09-2003, 01:55 PM
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Unless you are going to primarily race the car, Don't go any lower than 3.73. You will be VERY unhappy on the street with any of the lower ratios you listed. In fact, I prefer a 3.54 as the best compromise of acceleration/economy for a primarily stop-light racer like yours sounds to be.
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Old 09-09-2003, 02:42 PM
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I wont be racing it on a drag strip its just goin to be a street rod and maybe a bit a street racing
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Old 09-09-2003, 03:27 PM
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Willy's got it. I like the 3.73's, but since you aren't going to be going to the track at all, a little higher would give you a little more drivability on the highway. Plus, you'll probably have some traction problems with too low of a gear.
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Old 09-09-2003, 03:38 PM
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Willys is pretty much right on but keep in mind your rear tire size will also play a role in calculating your rpm range. With a lift kit and some big ol' tires even 3.73's can seem mild. You really need to figure out exactly what rpm you want to be at on the highway, then use a calculator that includes tire diameter, trans ratios, etc. to figure out what gears to get.


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Old 09-10-2003, 08:50 PM
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Thanks a bunch yall, just took a posi rear to a shop to be rebuilt and im having them put 3.54's in it. Thanks again i love this forum.
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