New axles for 33's - JeepForum.com

 
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post #1 of 15 Old 07-19-2010, 08:22 PM Thread Starter
Wrangler19
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New axles for 33's

Ive got a 4in lift with 33x12.50's, with the stock d30 in front and a stock d35 in back. Ive heard of the d35's holdin up 35's, but im just always worried about somethin. So am I good to beat up the d30 and 35 runnin 33's?


1998 4cyl TJ, 4in RC series 2 lift, 33x12.50 BFG KM1's.
[QUOTE =inglisleslie;11598716]we only care about 4BT...jeep is run by slow people now who like plastic everything [/QUOTE]
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post #2 of 15 Old 07-19-2010, 08:23 PM
never monday
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you need 60's
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post #3 of 15 Old 07-19-2010, 08:32 PM
DH19922010
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Originally Posted by never monday View Post
you need 60's
Hey don't rule out built 9's
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post #4 of 15 Old 07-19-2010, 08:39 PM
never monday
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Hey don't rule out built 9's
only Spidertrax housings, with true Hi-9 centers....other wise it's all junk
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post #5 of 15 Old 07-19-2010, 08:51 PM
DH19922010
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Originally Posted by never monday View Post
only Spidertrax housings, with true Hi-9 centers....other wise it's all junk
Those would be some nice axles but I'd probably do rock jock 60's if i went 1 ton. lol

To the op, you should be fine with open axles and 33's depending how hard you drive. Check out the FAQs and search around too. You'll learn a lot that way.
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post #6 of 15 Old 07-19-2010, 08:58 PM
rocko-n-miss
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Quote:
Originally Posted by Wrangler19 View Post
Ive got a 4in lift with 33x12.50's, with the stock d30 in front and a stock d35 in back. Ive heard of the d35's holdin up 35's, but im just always worried about somethin. So am I good to beat up the d30 and 35 runnin 33's?
Beat up? No not unless your planning on just tearing them up to replace them. If your that concerned, and have the extra cash there are plenty of just axle upgrades out there, and as stated above search around on here and you'll be sure to find helpful info from past post. I have only joined a few days ago and have found quit a bit of helpful info without ever asking any thing, just read and browse. Good luck.
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post #7 of 15 Old 07-20-2010, 12:55 AM
conrasm
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Easy upgrade for the front is a high pinion d30 from an XJ, but you'll have to somehow match the gear ratios, regearing either one. Most XJ's are 6 cyl auto with 3.55 gears.

TJ rear d44 would be good upgrade, but not easy to come by. I found a place on the web selling empty housings for ~$800. You'd still be looking at getting shafts, carrier, gears, bearings and having it set up, and brakes.

Shawn
'00 TJ Sahara (RC 4" LA kit)
'06 Grand Cherokee Limited
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post #8 of 15 Old 07-20-2010, 08:19 AM
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I've got a 98 TJ with the 2.5 engine too.

Your front Dana 30 front should be fine with 33" tires; maybe down the line invest in some stronger alloy axle shafts up front when you're looking to spend some money on your Jeep.

You'll hear lots of debates both ways about the rear Dana 35 with 33" tires. You certainly don't need a Dana 60 or a custom built 9", 8.8, or whatever rear end just for 33" tires with a four cylinder engine. A Dana 44 rear would be fine. If you've got 33" tires and a 2.5 engine, you've probably got the stock 4.10 gears. Now would be a good time to change the gear ratio. Check out: Northridge4x4 Jeep Parts: Custom Axles
as an example of what you could get a Dana 44 built for, and then compare that to what it would cost to swap out gears and beef-up your Dana 35 (don't forget the installation cost when pricing the super 35 kits, along with the R&P costs, master installation kits, any traction aiding devices, etc.). He (Dave) will custom build it for you. This way you get a completely new axle, not a used 44 housing of questionable history & integrity you're still going to need to put money into before it's ready to go into your Jeep. There's other places you can get built Dana 44 axles also. Shop around, but use Northridge as a starting point.

I got my Dana 44 rear from Northridge with 33 spline alloy axles, 4.88 gears and a Detroit locker to replace the Dana 35 that came with my Jeep when I bought it. I swapped it out in my garage and re-used my Dana 35 brakes. I really don't think I'll ever break it; especially with my 2.5 engine. It's one less thing I need to worry about.
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post #9 of 15 Old 07-20-2010, 08:22 AM
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Quote:
Originally Posted by never monday View Post
you need 60's
What are you talking about? Dude needs portals.



OP: your front dana 30 is fine, Your rear 35 is okay for 33s as long as you don't lock it.
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post #10 of 15 Old 07-22-2010, 12:58 PM Thread Starter
Wrangler19
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Quote:
Originally Posted by 2006_Sport View Post
What are you talking about? Dude needs portals.



OP: your front dana 30 is fine, Your rear 35 is okay for 33s as long as you don't lock it.

Thats another question I have, is what does locking it do? And why would it be bad?

1998 4cyl TJ, 4in RC series 2 lift, 33x12.50 BFG KM1's.
[QUOTE =inglisleslie;11598716]we only care about 4BT...jeep is run by slow people now who like plastic everything [/QUOTE]
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post #11 of 15 Old 07-22-2010, 01:27 PM
CalaskanTJ
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Get some rockwells and then you wont have to worry!

1997 TJ. 4.0, 5spd. 4" Lift, 33" MTR's, D30 front with ARB, rear 8.8 with ARB, 4.10 gears, KC Slimlites, Superwinch EPi9.0s, Hi-lift Jack. Trail Gear front bumper, rear bumper/tire carrier, rock sliders and steering skid.

UTAH JEEPCREW #20
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post #12 of 15 Old 07-22-2010, 03:08 PM
MisfitSeven
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locking your axles will send the power from the motor to the tires with the most traction. instead of an open diff that transfers all the power from the motor to the tires with the least amount of traction.

as long as you plan to stay at 33s and not lock your rear axle, you should be fine.

Mail crawling.
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post #13 of 15 Old 07-22-2010, 03:19 PM
catITguy
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agreed, 33s are fine on your D30/D35. That is what I run and no problems here. Im considering upgrading to super 30/35, but only because I want to lock them.

2000 Wrangler Sport, 4.0L auto
OME 2.5" Suspension Lift
1.25" JKS BL and 1" MML
33x12.5 GoodYear Wrangler Duratracs
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post #14 of 15 Old 07-22-2010, 03:48 PM
WeezyBlue
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I've been fine so far on 33s with open d30 and d35... I just be sure to let off at the first sign of any wheel hop if I'm trying to climb something.

KD8UCX
CURRENT: '05 TJ Rubicon
Past: '06 TJ SE
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post #15 of 15 Old 07-22-2010, 05:24 PM
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Quote:
Originally Posted by WeezyBlue View Post
I've been fine so far on 33s with open d30 and d35... I just be sure to let off at the first sign of any wheel hop if I'm trying to climb something.
Same here...godd advise

1998 TJ Sport : Rough Country, MetalCloak,KC, Goodyear, Crager, Alpine, AtoZ, Currie, Aussie

Believe.
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