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Best Gear Ratio To go with

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Old 08-01-2015, 06:05 PM
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c1o
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Unhappy Best Gear Ratio To go with

Hello Everyone

I have a 1978 Chevy C10 2WD 1/2 stepside and I just swapped LS1 4L60E, but I had issue using the right gear ratio and the rear end is stock 12 bolt and I'm not sure about the ratio. As i was tuning the car whenever I get 100% throttle it shifts 1st to 2nd at 70 mph -- 2nd to 3rd 113 mph. I don't want to blow up the motor btw the redline RPM is 6200 after tuning

Tire size on the rear is 295/65/15 MT
I wish I find something would help.
Old 08-03-2015, 11:31 PM
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Google ( Wallace Racing calculators ) it will have everything you need.



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