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Old 10-02-2008, 12:19 PM   #1
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Question I need some advice

I have just bought a 01 4x4 2.5L auto with 32" tiers, I am trying to get started in Jeeping. Is there any recommended bolt on HP or modes that i can do to give my jeep more power, i was also told that a v8 from a 01 Cherokee would bolt on with the transfer case, is this true, or any problems i might encounter if i take this rout.

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Old 10-02-2008, 12:24 PM   #2
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Sounds like you might benefit by raising your axle ratio. What ratio are you running? The 4 cylinder motors tend to be underpowered, but if you upgrade your tire size, you shoud also upgrade your axle ratio (e.g. 3.07 to 4.10, etc).

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Old 10-02-2008, 12:49 PM   #3
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BTW - welcome to WF.!
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Old 10-02-2008, 01:35 PM   #4
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I have never heard of a cherokee with a factory V8. Either I dont know enough about XJ's or someone gave you false information, and Im pretty sure its the later of the two. Bummer you couldnt find an I6 but my only suggestion to fixing your power problem is either regear (cheaper) or swap in a different engine. Id keep the 4 banger until it explodes and just regear the axles.
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Old 10-02-2008, 01:54 PM   #5
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you mean a v8 from a grand cherokee?
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Old 10-02-2008, 01:59 PM   #6
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No, no bolt in will fix the problem, engine swap means new harness, ecu, motor mounts, etc.
The 2.5L 4 cylinder 5 speeds came from the factory with 4:10's, I don't know what ratio the auto trannies came with, I doubt it's 3:07's, more likely 3:53'S, you can go up to 4:88's. Either way a 4 banger with 32's is going to lack.
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Old 10-02-2008, 06:28 PM   #7
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man, the cheapest way to get goobs of HP is to get a supercharger.. 4,500.. and its all bolt on DIY.. that or go through a stump and time of a V8
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Old 10-02-2008, 06:31 PM   #8
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You can regear to 4.88 for the best "bang for the buck" improvement after that look into and electric fan, a better intake, free flowing exhaust and the like. Oh and ditch all the weight you can.
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Old 10-03-2008, 12:22 AM   #9
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So its sounds like gears is the way to go. What's all this Dana 44 stuff i hear so much about what dose a stock 01 2.5 auto TJ come with. I know im asking a lot of questions, but i want to build this jeep right. what would u guys recommend i do first?
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Old 10-03-2008, 06:26 AM   #10
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Dana 44 axles were optional equipment on some X or Sport platforms and were stock equipment on Sahara's and Rubicon models (look for a metal plug in the rear rear diff.) A D35 has a rubber plug. D44's are heavy duty and can handle the 35" inch tires and associated abuse of rock crawling better than a stock D35.

However, if you're smart on how you drive and know your equipment limits, you'll be fine with a stock D35. Upgrade kits are also available for the D35.
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Old 10-03-2008, 10:23 AM   #11
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Quote:
Originally Posted by MOz View Post
Dana 44 axles were optional equipment on some X or Sport platforms and were stock equipment on Sahara's and Rubicon models (look for a metal plug in the rear rear diff.) A D35 has a rubber plug. D44's are heavy duty and can handle the 35" inch tires and associated abuse of rock crawling better than a stock D35.

However, if you're smart on how you drive and know your equipment limits, you'll be fine with a stock D35. Upgrade kits are also available for the D35.
not to nitpick Moz, but i dont believe the saharas all come with the 44 im pretty sure its an option on them too
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Old 10-03-2008, 01:45 PM   #12
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not to nitpick Moz, but i dont believe the saharas all come with the 44 im pretty sure its an option on them too
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Old 10-03-2008, 02:01 PM   #13
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You can regear to 4.88 for the best "bang for the buck" improvement after that look into and electric fan, a better intake, free flowing exhaust and the like. Oh and ditch all the weight you can.
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Old 10-04-2008, 04:34 AM   #14
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Well thanks for all your input. So what should be the first things i should do to my stock jeep? I would like it to perform good on the trails and in the sand. KEEP THE SUGGESTIONS COMING thanks
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Old 10-04-2008, 11:17 AM   #15
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tires.. and a 2'' spacer lift.. I likes that set-up when I had it.. 2'' spacer lift and 32'' tires.. nothing else needed.. no noise or driveline issues...

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