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Old 05-16-2011, 01:52 PM   #1
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Too sllow

Hey guys I gots a ? I recently bought a 90 yj. It has 35 inch tires. Stock axels motor and tranny. I took it to the mud drags thinking it was badass and got my ass spanked all night. I mean bad. So my ? Is what can I do to make this thing scream down the track without emptying my wallet???

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Old 05-16-2011, 01:55 PM   #2
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Stock tires nothing u can do. Gearing is what you need but is expensive.

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Old 05-16-2011, 03:34 PM   #3
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Yeah ugghhh stock axles and u want to hammer down on the skinny pedal? find a used cheap axle for the rear (upgrade) like d44 or ford 8.8 regear it to 4.88 or lower (lower gear wise not numerically) or go maybe 5.13 and do the same to your front axle same gearing. Shops charge big money for regearing so if u can or someone u know can gear it low and upgrade that axle is a start!

What eng trans and tc do u have?
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Old 05-16-2011, 04:14 PM   #4
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Stock 4.2carberated three speed and I believe a 231 tc I was told that downsizing the tires a bit would. I'm currently running a 35 14.50 15. The truck looks great just doesn't perform like I would like it to
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Old 05-16-2011, 04:19 PM   #5
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Those are big tires to have on stock axles. I'd swap both axles and regear like billytheyj said, and if you really want to rip, throw in a v8.

I'd down size to 33x12.5x15 for stock axles. That will even be a bit slow but better than those big tires youre running now.
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Old 05-16-2011, 04:22 PM   #6
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Gearing gearing gearing. 35s on stock axles is not going tk be fun.
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Old 05-16-2011, 05:04 PM   #7
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U wana scream down the track.... gear it to 5.13 or lower. Which will destroy you highway speeds but you need a different rear axle and if your scurred of breaking the front one get some chromoly axle shafts for the front.
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Old 05-16-2011, 05:29 PM   #8
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If you want to scream down the track, then you need a bigger engine with those tires! Start looking for a 460 to swap in.. And look to invest about $15 grand into it for power
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Old 05-17-2011, 07:17 PM   #9
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If you want to scream down the track then build a straight up mud buggy. Jeeps arent meant to scream down highways, tracks.
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Old 05-23-2011, 09:19 AM   #10
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Quote:
Originally Posted by redsoxfan25401
If you want to scream down the track then build a straight up mud buggy. Jeeps arent meant to scream down highways, tracks.
I have to dissagree there was a guy there in a cj7 that was screaming down the track. I looked under the hood and he said it was stock except for tires.
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Old 05-23-2011, 09:30 AM   #11
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Some CJs came with v8s... all YJs and TJs that I know of came with straight 4s or 6s...
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Old 05-23-2011, 11:45 AM   #12
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before we continue u had the tcase in low right?

o and get rid of that sludge o matic that will make a big difference
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Old 05-23-2011, 01:20 PM   #13
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No tcase was in high and the track wasn't all that muddy. So u think a different trans would help. I have a 700r4 with a np231 tcase in the shop but the out put is on the wrong side. Is there any way that trans would work with out swapping engines
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Old 05-27-2011, 10:42 AM   #14
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Plain and simple. Jeeps are not drag racers aha. Especially on 35x14.5. Anything on tires that big to begin with is just not gonna move like you want. They're offroad machines man.
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Old 05-27-2011, 08:00 PM   #15
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^Well put it this way. He would have won the "Slowest without getting stuck" award

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