Yet another axle and gearing question
Do people ask questions like this all the time? Yes. But every situation is a little different.
I have a D35 in the rear, but my ultimate goal is to run 33 inch tires. I'm really in love with the look and stance of 33x10.50x15 and that pretty much leaves me with just two tire options but that's another issue.
I'm going to regear when I get 33s, at least 4.10 or the next step up. Right now I've got 3.07s on 31s and it sucks. I have no plans of doing any further axle mods past the regearing and a front locker. 33x10.50 isn't a common size since most of the time they're 12.5 wide, not sure what kind of difference that makes on axle strain. I'm just wondering if I should invest in strengthening my D35 when I regear so it can better handle the 33s, just leave it alone, or if I should swap in a 29-spline C8.25 or maybe a D44 if I'm blessed enough to find one. I do not have the resources or knowledge to do anything like an 8.8 swap.
I'm looking for input from people who have either run 33s on a D35 or have otherwise broken their D35. If you've just "heard stories" or wanna call it the turdy five, please don't post.
I have a D35 in the rear, but my ultimate goal is to run 33 inch tires. I'm really in love with the look and stance of 33x10.50x15 and that pretty much leaves me with just two tire options but that's another issue.
I'm going to regear when I get 33s, at least 4.10 or the next step up. Right now I've got 3.07s on 31s and it sucks. I have no plans of doing any further axle mods past the regearing and a front locker. 33x10.50 isn't a common size since most of the time they're 12.5 wide, not sure what kind of difference that makes on axle strain. I'm just wondering if I should invest in strengthening my D35 when I regear so it can better handle the 33s, just leave it alone, or if I should swap in a 29-spline C8.25 or maybe a D44 if I'm blessed enough to find one. I do not have the resources or knowledge to do anything like an 8.8 swap.
I'm looking for input from people who have either run 33s on a D35 or have otherwise broken their D35. If you've just "heard stories" or wanna call it the turdy five, please don't post.
My brother has been wheeling a year on 35's with an open d35. No problems. running a narrower lighter tire will not cause any more stress on the axle.
Obviously if you were a serious rock crawler you would not be even using the stock axles or 33's.
And that is not a slam. Thats reality, and its where I am also. The d35 is not adequate for hard core use.
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From: The FIRST State
Year: 1994
Model: Grand Cherokee (ZJ)
Engine: Straight 6
My brother has been wheeling a year on 35's with an open d35. No problems. running a narrower lighter tire will not cause any more stress on the axle.
Obviously if you were a serious rock crawler you would not be even using the stock axles or 33's.
And that is not a slam. Thats reality, and its where I am also. The d35 is not adequate for hard core use.
Obviously if you were a serious rock crawler you would not be even using the stock axles or 33's.
And that is not a slam. Thats reality, and its where I am also. The d35 is not adequate for hard core use.
No homo but you're one of the ones I like around here. You seem pretty level headed yet people love bashing you and your mods and opinions lol. I'll take your input any time
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From: The FIRST State
Year: 1994
Model: Grand Cherokee (ZJ)
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Thanks I appreciate it

You should get the carriers also. The d30 with a 3.55 carrier is maxed gearing wise. You need a 3.73 and up carrier to run larger gears.
So yes it would work as long as you picked up the carriers also.
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From: Raleigh,NC
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I helped my buddy pull a dana 30 out of a 4 cyl xj and an explorer 8.8 with 4.10's and limited slip from the junkyard. So he was running a pretty stout axle set up for 33s with 4.10's and an lsd for under 500.
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From: The FIRST State
Year: 1994
Model: Grand Cherokee (ZJ)
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I changed my mind on the 4.56s. I'm hunting for 4.10s instead since it's a DD and that RPM and speed difference will matter to me.
New question. Found a D35 with 4.10s and track lock? Guy said it was a factory locker option, I've never heard of it but I've never searched for the info. Should I avoid this if I'm trying to run 33s on the D35? I mean I'd have the spare shafts from my current axle as back up. I don't know what else about the D35 is weak...
New question. Found a D35 with 4.10s and track lock? Guy said it was a factory locker option, I've never heard of it but I've never searched for the info. Should I avoid this if I'm trying to run 33s on the D35? I mean I'd have the spare shafts from my current axle as back up. I don't know what else about the D35 is weak...
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From: SLC, Utah
Year: 1999
Model: Cherokee
Engine: 4.0L
I changed my mind on the 4.56s. I'm hunting for 4.10s instead since it's a DD and that RPM and speed difference will matter to me.
New question. Found a D35 with 4.10s and track lock? Guy said it was a factory locker option, I've never heard of it but I've never searched for the info. Should I avoid this if I'm trying to run 33s on the D35? I mean I'd have the spare shafts from my current axle as back up. I don't know what else about the D35 is weak...
New question. Found a D35 with 4.10s and track lock? Guy said it was a factory locker option, I've never heard of it but I've never searched for the info. Should I avoid this if I'm trying to run 33s on the D35? I mean I'd have the spare shafts from my current axle as back up. I don't know what else about the D35 is weak...
Last edited by Tom95YJ; Dec 12, 2012 at 10:10 AM.
Thread Starter
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Joined: Feb 2012
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From: The FIRST State
Year: 1994
Model: Grand Cherokee (ZJ)
Engine: Straight 6
Senior Member
Joined: Oct 2011
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From: Raleigh,NC
Year: 1992
Model: Cherokee
Engine: 4.0L HO
I changed my mind on the 4.56s. I'm hunting for 4.10s instead since it's a DD and that RPM and speed difference will matter to me.
New question. Found a D35 with 4.10s and track lock? Guy said it was a factory locker option, I've never heard of it but I've never searched for the info. Should I avoid this if I'm trying to run 33s on the D35? I mean I'd have the spare shafts from my current axle as back up. I don't know what else about the D35 is weak...
New question. Found a D35 with 4.10s and track lock? Guy said it was a factory locker option, I've never heard of it but I've never searched for the info. Should I avoid this if I'm trying to run 33s on the D35? I mean I'd have the spare shafts from my current axle as back up. I don't know what else about the D35 is weak...
CF Veteran
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From: SLC, Utah
Year: 1999
Model: Cherokee
Engine: 4.0L
Thread Starter
Seasoned Member
Joined: Feb 2012
Posts: 437
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From: The FIRST State
Year: 1994
Model: Grand Cherokee (ZJ)
Engine: Straight 6
Based on your avatar it looks like you're way more hardcore than I am lol. I think I'll get by, just not sure if this locker is a good idea.
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