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Old April 10th, 2013, 06:17 PM   #1
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Default Some Advice Gears and Tire

Hey guys I have a 2000 Jeep TJ 4.0I auto long arm 7.5 with 39 Pitbull tires. Fully built 8.8 rear and D44 for the front. It's gonna be a Street Queen no off road, mostly highway driving and city. I was thinking to change the ratio to 4.56. Would I have any problems on the highway or would it be sluggish and will my MPG be bad?
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Old April 10th, 2013, 06:19 PM   #2
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it'd probably get a little better in the city
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Old April 10th, 2013, 06:21 PM   #3
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it'd probably get a little better in the city
Would you think it would be sluggish or it will have enough power to pull those tires?
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Old April 10th, 2013, 06:35 PM   #4
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should put you about 2750 at 70 mph, assuming you got the 32rh 3spd auto trans.
should be about as good as it gets with 39's. 4.88 would be the next option, 4.10 wont cut it.
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Old April 10th, 2013, 06:43 PM   #5
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should put you about 2750 at 70 mph, assuming you got the 32rh 3spd auto trans.
should be about as good as it gets with 39's. 4.88 would be the next option, 4.10 wont cut it.
Yes 3 speed Trans, I was just worried about it not having enough power. Ill probably go with the 4.56 there is only 6% difference between 4.56 and 4.88, I'd rather not lose that much top end.
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Old April 10th, 2013, 06:45 PM   #6
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I bought the D44 with 4.56 so that's why I was thinking just going with that and just get the 8.8 to match it. I don't think its worth to change both to 4.88 when one is already 4.56.
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