4.88 gears installed in my 90 2.5 ltr. - Jeep Wrangler Forum

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Old 09-25-2012, 11:02 PM   #1
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4.88 gears installed in my 90 2.5 ltr.

Finally I got finished. It was more trouble than I thought it would be, but the end result is worth it. Anyone thinking about doing the swap I must advise that it is worth it.
My little 2.5 is no powerhouse by any means (although some say they are) but the addition of the gears have made a signifigant difference for a daily driver.
I am running 33's, and now with the 4.88's I can use 5th gear, and shift much lower. I didn't like running to 3,500+ rpms to safely keep up with traffic but that is what it took to get up to speed without getting run over sometimes.
I am very happy with the results although it cost me my 46 Willys in trade
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Old 09-26-2012, 12:40 AM   #2
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Regearing a 2.5 with big tires is the biggest bang for your buck mod you can do. Aside from my 8.8, that is my favorite thing I have ever done to my heep.

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Old 09-26-2012, 12:43 AM   #3
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Saving $$$$ for the regear. I am happy to hear some success I was quoted $1400 for both front and rear. Until then I am the four banger who insists all wheelin is done the scenic way reaaly slow!!!! Thats just on asphalt getting to the trails.
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Old 09-26-2012, 12:51 AM   #4
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That is awful high to me. I would recommend researching a little and doing the work yourself. I have right at $500 on both my axles. It takes a lot of patience and a few specialty tools but it was well worth it.
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Old 09-26-2012, 01:40 AM   #5
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I'm waiting to do this as well, gathering all my soa parts and that is on the list. Where have you got your gears and at what pricing? Trying to find the best deal.
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Old 09-26-2012, 07:28 AM   #6
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I have over 600.00 in parts which includes all new seals and bearings.

I would not recommend someone doing it them selves unless they have someone helping them that knows what they are doing.

I can see someone charging $12-1400.00 to do the work correctly including parts.
It isn't something you can do in just a few hours
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Old 09-26-2012, 10:09 AM   #7
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Quote:
Originally Posted by d5string
I have over 600.00 in parts which includes all new seals and bearings.

I would not recommend someone doing it them selves unless they have someone helping them that knows what they are doing.

I can see someone charging $12-1400.00 to do the work correctly including parts.
It isn't something you can do in just a few hours
I guess it really comes down to mechanical ability. My gears are the first I've ever done. I doubt I would do it for anyone else because of liability but I wouldn't discourage someone from doing it themselves if they feel confident they can do it. This is of course after doing a TON of research and knowing what they are getting in to.
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Old 09-27-2012, 01:22 AM   #8
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how much do you think you saved by doing in yourself?
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Old 09-27-2012, 06:08 AM   #9
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Congrats on the new gears. That's my next step as well. One axle done.. one more to go.
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1991 YJ 99 Vortec 5.7L, SM465, NP205, 14 Bolt Rear, Dana 60 Front, 5.13 Gears, Detroit Lockers, 395/85R20 46" Michelin XML tires on 20" XD Wheels, Cherokee Offset Springs (10" front to back stretch total), Bilstein 5150s, 1in. BL, custom cage, Warn M8000, Double D Dash/OHC, 4Low Front Stinger Bumper, DirtWorx Rear Bumper WTC, Tube Fenders, Comp Cut, 1 Ton HD Kingpin High Steering and PAID FOR.
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Old 09-27-2012, 06:55 AM   #10
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Quote:
Originally Posted by Sandstorm95
how much do you think you saved by doing in yourself?
Depending on the labor and parts mark-up I would say about 500-600 bucks.
I had a friend help me that knew what he was doing at his place in trade for some a/c work I did for him.
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Old 09-27-2012, 06:56 AM   #11
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Quote:
Originally Posted by denisbaldwin
Congrats on the new gears. That's my next step as well. One axle done.. one more to go.
It made a difference for sure, but it is still a 4 banger
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Old 09-27-2012, 12:20 PM   #12
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Quote:
Originally Posted by d5string View Post
It made a difference for sure, but it is still a 4 banger
True. I'm trying to get another year out of my 4 banger (and gears will help) so I have time to build out this SBC.

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