post #1 of Old 04-21-2013, 02:51 AM Thread Starter
Jrodriguez1993
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Regearing questions

I have a 95 yj 2.5 manual tranny with a 4 inch lift. Running 31's
Its a daily driver but i like to off road aswell.
I have dana 30/35 axles and want to regear them this summer to gain more speed. I only use 5th on the highway i use 4th most and when i hit a hill going 65 in fourth i loose all my speed down to 40 having do down shift to 3rd...
What i want to know is what gears should i regear to? And will it help me gain more speed on those hills? I was thinking 4.10 or 4.57 not to sure on which to gear it to tho so imput anyone?


if you are telling you self you cant before you have even tried, you are a failure.
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post #2 of Old 04-21-2013, 03:59 AM
Duncan542
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Well I personally would not put money into the Dana 35, I learned the hard way. The common is swapping in a ford 8.8 or Dana 44

But if you really insist 4.57 would do good for 31's and give you room to move up in tire size but 4.88 would be even better.

I'm not sure what you plan on doing with it besides for daily driving. If your not going to do anything but hit pavement and some minor trails, your 35 should hold up fine.
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post #3 of Old 04-21-2013, 06:06 AM
jsawduste
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You already have 4.10`s. There is no ratio of 4.57.

Read this and play with the numbers. Start by using the factory tire size.
http://www.grimmjeeper.com/gears.html

Short answer is 4.88`s. Not because it`s the prime ratio but because that is as high of a ratio that is made for the 30/35`s.
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post #4 of Old 04-21-2013, 08:40 AM
ldso
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X2 on 4.88. I am running 4.88 with 33" tires and the 2.5l, its good. Still would like more power but with this size tire cant go any lower and still do highway speed. I no longer have an overdrive transmission.

If you regear the dana 35 put chromo shafts in it, and do a grand cherokee disc swap. That way if you break a shaft your wheel wont fall off.

1995 YJ "Mabel", 2.5L Muncie SM465 np231j 4.88's HP30 Lockright JK 44 Detroit 33s CJ clip

Actually, it's pronounced "mill-e-wah-que" which is Algonquin for "the good land."
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post #5 of Old 04-21-2013, 01:26 PM Thread Starter
Jrodriguez1993
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Yeah im regearing cuz i dont have enough money to swap to a 44 ad 8.8 thats like 4grand?
But how much of a difference will i feel from a 410 to a 4.88?

if you are telling you self you cant before you have even tried, you are a failure.
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post #6 of Old 04-21-2013, 02:48 PM
Anticanman
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Quote:
Originally Posted by ldso View Post
If you regear the dana 35 put chromo shafts in it, and do a grand cherokee disc swap. That way if you break a shaft your wheel wont fall off.
Disk brakes and c clip eliminators won't minimize damage getting you off the trail any better than drum brakes and c clip shafts. If you install chromoly shafts, the weakest point will most certainly be the most expensive: the ring and pinion of just the carrier.

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post #7 of Old 04-21-2013, 03:07 PM
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Quote:
Originally Posted by Jrodriguez1993 View Post
Yeah im regearing cuz i dont have enough money to swap to a 44 ad 8.8 thats like 4grand?
But how much of a difference will i feel from a 410 to a 4.88?
Huge.

And an 8.8 won't run you 4k unless you buy one all built.

Buying a junkyard axle and doing some of the work yourself will cut that cost by more than half..

13 GC Overland - 5.7, stock
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post #8 of Old 04-21-2013, 04:50 PM
Duncan542
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Quote:
Originally Posted by dillonjm

Huge.

And an 8.8 won't run you 4k unless you buy one all built.

Buying a junkyard axle and doing some of the work yourself will cut that cost by more than half..
My 8.8 built cost me like $2600. Saved a lot of time and the money was dang near the same if I were to have bought a junkyard 8.8 and pieced everything together.
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post #9 of Old 04-21-2013, 05:09 PM
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My 8.8 built cost me like $2600. Saved a lot of time and the money was dang near the same if I were to have bought a junkyard 8.8 and pieced everything together.
I doubt that. I priced my pieces together 8.8 vs that of an ecgs axle and I was right to do it myself.

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post #10 of Old 04-21-2013, 05:34 PM
Duncan542
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Quote:
Originally Posted by Anticanman

I doubt that. I priced my pieces together 8.8 vs that of an ecgs axle and I was right to do it myself.
That may be the case for you but I guess it comes down to how valuable your time is.
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post #11 of Old 04-21-2013, 05:36 PM
Anticanman
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Originally Posted by Duncan542 View Post
That may be the case for you but I guess it comes down to how valuable your time is.
Don't get me wrong, I paid for the labor to install it all too. Still cheaper.

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post #12 of Old 04-21-2013, 05:41 PM
dillonjm
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Quote:
Originally Posted by Duncan542 View Post
That may be the case for you but I guess it comes down to how valuable your time is.
Valid point but I can put an 8.8 into a YJ for about a grand on a budget. Including new gears. My time is worth 1500 bucks.

That all said I realize most won't do their own gears. My point was that if you did some things, like cleaning the axle up, doing the new brakes/lines, the install, and the welding (if you're able) you can save a ton of money.

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Last edited by dillonjm; 04-21-2013 at 05:45 PM. Reason: ,
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post #13 of Old 04-21-2013, 05:48 PM
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Sell the 4cyl. Jeep and buy one with a 4.0.

A 4cyl. Jeep is under powered and allways will be under powered.

I know that not what you want to hear.

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post #14 of Old 04-21-2013, 05:52 PM
Duncan542
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Quote:
Originally Posted by dillonjm

Valid point but I can put an 8.8 into a YJ for about a grand on a budget.

Including new gears. My time is worth 1500 bucks.
Well my axle from ecgs was with all new brake components, ARB, aftermarket shafts, all new 4.88 gears, seals, bearings, and all the bells whistles.

$2600 was well worth it to me instead of piecing together waiting weeks for all the parts to gather up. Then doing it myself which is quite time consuming and I'm in the middle of my 5.3 vortec
swap. The ARB was cheaper than I could get it from ARB itself along with a few other parts.

So again i guess it all depends on how valuable your time is to you or if you can find someone that's willing to put it together at a decent price but a re gear around here is not so cheap.
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