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Unread 01-13-2014, 06:32 PM   #1
weerwolv
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1993 YJ Wrangler 
 
Join Date: Apr 2004
Posts: 299
Gearing for MA and RI Trails and still be road worthy

Hi all,

Couple quick questions for folks who know a hell of a lot more than me

Currently run a 1993 YJ with 4.0 and AX15 coupled with stock D30 and D35 axles with 4.10 gears.

I run the odd size Toyo MT 33x10.5x15 in this setup

Been getting quotes from Mitchell Diff on building a new rear axle and VERY stuck on ratio to come down on.

As mentioned my ride has 4.10 gears and it's OK on the highway and pretty good on town roads and light trails.

In the future, I would like to jump to 35" tires in a couple years once these wear out so I want to make the right call on gears.

The Jeep is 70 percent street/30 percent dirt at best

Mitchell can build me a D44 with JK gears and OX but the ratio is up to me. I'll still need to gear the front.

So the question comes down to 4.56 or 4.88? What would you do?

Is 4.56 OK for 35" tires? MA is not CA or CO where everyone goes 4.88 because of hills so I'm leaning 4.56 but I'm open to opinion.

Also shopping for a Jeep Club that is family friendly as I'll have my little ones with me this year.

Thanks all in advance.

-Chris

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Unread 01-13-2014, 07:47 PM   #2
Technohead
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1998 ZJ 
 
Join Date: Dec 2008
Location: Exeter, RI
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I would not hesitate to go with the 4.88's.

If you are in RI or immediate border areas then I recommend checking out Ocean State Jeepsters (see link below). If not then let me know where you are and I can recommend other clubs.
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Unread 01-13-2014, 08:11 PM   #3
weerwolv
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Thanks Techno,

The gear issue has been a hell of a battle in my head. 4.56 or 4.88

33's for awhile and then 35"s

Definitely on the RI line. Live in Blackstone which most people have no idea where it is
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Unread 01-14-2014, 07:44 PM   #4
BlueRubiconrich
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1986 CJ7 
 
Join Date: Oct 2009
Location: worcester, Ma
Posts: 2,101
Hi, I live down the street from Mitchells I've had them do work for me.
Built me a Dana 44 cut down Scout axle I run 3:73 gears in a CJ7 with a 258
T18 and Scout Dana 300. A dana 30 is only 27 spline a 44 is 30 Spline
and a Dana 30 has a small ring and pinion. I'd stay with 4:56 if you stay with a
30 those teeth get real small with 4:88. and I run PatriotJeepers,Inc Jeep club
Min tire 32" max tire 35" take a look at us too.
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Rubicon Rich ,05 TJ Rubicon: PatriotJeepers.com
86 CJ7 258,T18,Scout Dana300,twin sticks,Dana44's,4W Disc, locked,35's,YORK OBA,Warn 8274,fullcage.
51 M100 1/4 ton Jeep trailer
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Unread 01-14-2014, 07:58 PM   #5
BlueRubiconrich
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1986 CJ7 
 
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Location: worcester, Ma
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Or you get a Ford 8.8 for the rear with 4:10's and disc brakes! and then get a
waggy front Dana 44 have mitchells do the work.

each spline is 11% stronger. You got a YJ leaf springs that's easy Im a welder
if you don't know anyone who welds I can help you I've done bunch of rear axles.

PM me and we can talk.
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Rubicon Rich ,05 TJ Rubicon: PatriotJeepers.com
86 CJ7 258,T18,Scout Dana300,twin sticks,Dana44's,4W Disc, locked,35's,YORK OBA,Warn 8274,fullcage.
51 M100 1/4 ton Jeep trailer
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Unread 01-15-2014, 05:59 PM   #6
BlueRubiconrich
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1986 CJ7 
 
Join Date: Oct 2009
Location: worcester, Ma
Posts: 2,101
Or a Isuzo Rodeo /Honda passport Dana 44 rear axle 6 bolt pattern but can be redrilled.
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Rubicon Rich ,05 TJ Rubicon: PatriotJeepers.com
86 CJ7 258,T18,Scout Dana300,twin sticks,Dana44's,4W Disc, locked,35's,YORK OBA,Warn 8274,fullcage.
51 M100 1/4 ton Jeep trailer
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