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rear gear for 3/8 mile dirt
I have a 2.56 transmission that I run 2nd gear, 8x 22.5x 13r hoosier tires ,and have a 3.45 rear gear in car as of now and I'm getting left behind ... What would be a good combo tranny and rear gear? Also have a 2.14 transmission. And rear gears I have 3.08 and a 3.27 ... Or do I need different rear gears ? Any help will be greatly appreciated... Thanks for your knowledge and posts in advance
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curious to know what tranny you have that has a 2.56 2nd gear ratio
No matter how hard you try...you cant fix stupid!!!
If you build it right...it will turn left!!!
www.raceidaho.com
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???
Originally Posted by
car62
curious to know what tranny you have that has a 2.56 2nd gear ratio
Car62 ! Honestly I'm going by what I was told it was supposed to be, so really I don't know what I have it came in a buy out package deal .
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your current setup gives you an 8.83 final with a small 13" tire,and on a 3/8 track by the numbers you should be turning just over 10,000 rpm
No matter how hard you try...you cant fix stupid!!!
If you build it right...it will turn left!!!
www.raceidaho.com
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Im thinkin you need to check your final drive..Never heard of a 2.56.. Love to have something that low though!
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Had a friend look at it , he said it is a 2.34 transmission.
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That's a T5 trans (87-93), same as I use. So u actually have a 8.07 final ratio. Are you getting "left behind" because your screaming the motor at the flagstand or is it just not accelerating? I agree with that gearing & 13" tires on a 3/8 track you could hit 10K on the tach.
If your engine can safely hit 8K, I would use the 3.08. JMO.
Last edited by Dirtman29; 08-08-2014 at 03:25 PM.
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I would try the 3.08 rear gear with your tranny in the car first. If that's still too much gear then go with the 2.14 trans and 3.27 rear gear.
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I run a 3/8 track too. We run the 214 trans and a 345 rear.
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