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Unread 02-16-2014, 09:56 PM   #1
KreepyCrawler
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D35 Explosion!

Well it might not have been an explosion per say but I destroyed the ring and pinion on my D35 with 456's and 35s. Thanks to a heavy foot and the Jeep hopping up a ledge I'm in need of repair.

I DD my Jeep and do some medium difficulty wheeling so, I knew this was going to happen eventually.

It started popping really loud, so I pulled the bulging diff cover off and saw this:

http://i1057.photobucket.com/albums/...psahhsse8l.jpg

http://i1057.photobucket.com/albums/...pslgqlfxeo.jpg

http://i1057.photobucket.com/albums/...pssqesjkfl.jpg

Apparently the incredible, raw performance of the 2.5L was too much. Instead of throwing more money at the D35, I want to upgrade rather than replace. I'm strongly considering the 8.8 swap seeing as though I own a 93 ford explorer (about ready for scrapping) and a 1987 f-150 (also in rough shape)

In addition to swapping the axle, I'm probably going to re-gear to better compensate for the 35s. 5.13s would be ideal but seeing as though the d30 only gears to 4.88 I'll probably be going for that.

I want this thread to be a testament to the weakness of the D35, showing that upgrading is really an eventual must if you want to run larger tires.

I also want to hear from some people running the 4.88s with the 4cly and 35s or larger to see how it handles specifically on the highway and freeway.

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Unread 02-16-2014, 10:04 PM   #2
Anticanman
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Unread 02-16-2014, 10:09 PM   #3
BrandonYJReed
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If you already have 4.56 I wouldn't regear to 4.88, I don't think it will be all that noticeable of a difference, I think the money could be spent better. I would get a new front axle(D44,etc...) and run 5.13 or somewhere along those lines. I run 35's and 4.88's with my 4 banger and it's not horrible in town but leaves a lot to be desired on the highway. I think the 5.13's would be a little extra pep, and more worth while then just going up to 4.88's.
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Unread 02-16-2014, 11:08 PM   #4
KreepyCrawler
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Quote:
Originally Posted by BrandonYJReed View Post
If you already have 4.56 I wouldn't regear to 4.88, I don't think it will be all that noticeable of a difference, I think the money could be spent better. I would get a new front axle(D44,etc...) and run 5.13 or somewhere along those lines. I run 35's and 4.88's with my 4 banger and it's not horrible in town but leaves a lot to be desired on the highway. I think the 5.13's would be a little extra pep, and more worth while then just going up to 4.88's.
Ya this would be the ultimate route to go if I had the funds! Guess I'll just have to keep saving! This is the route I'll probably end up going seeing as though I'll never go to smaller tires and would probably save some money in the future.
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Unread 02-16-2014, 11:58 PM   #5
cojab
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Is this the normal D35 carnage. I thought the 35 typically broke an axle shaft.
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Unread 02-17-2014, 12:41 AM   #6
KreepyCrawler
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Quote:
Originally Posted by cojab View Post
Is this the normal D35 carnage. I thought the 35 typically broke an axle shaft.
I was told the weak point was the ring and pinion. A lot of it was having the 4.56 gears as well. When you lower the ratio, I think anyways, that the ring and pinion weakens. Maybe the D35 drawback is the axle shafts, but my problem came to the gears. Either way the D35 is unsuited for a ferocious 112 HP and 35s.
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Unread 02-17-2014, 10:49 AM   #7
Louie4
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And...boom goes the dynamite.
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Unread 02-17-2014, 11:09 AM   #8
Jeepsr4me
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Actually you did not break what most others break in a 35, which is the shaft and or pinion. Gears suck, but will not leave you dragging your hind leg getting out of the woods.
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Unread 02-17-2014, 04:11 PM   #9
chicalibro3
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How long were you able to run this set up before it blew up? Your axle is locked and you're running 35" tires, am I right?
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Unread 02-17-2014, 07:35 PM   #10
KreepyCrawler
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Quote:
Originally Posted by chicalibro3 View Post
How long were you able to run this set up before it blew up? Your axle is locked and you're running 35" tires, am I right?
I bought the jeep with 31s/4.56s in October 2012. I put the 35's on a year ago and it broke last week. All in all, longer than I thought but the failure was inevitable. I'm not sure how long the 4.56s were in there but I put the locker in May of 2013. So, with 35s, 4.56s, a locker, and the 2.5 all together, it lasted about 8 months.
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Unread 02-17-2014, 07:38 PM   #11
KreepyCrawler
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Quote:
Originally Posted by Jeepsr4me View Post
Actually you did not break what most others break in a 35, which is the shaft and or pinion. Gears suck, but will not leave you dragging your hind leg getting out of the woods.
I broke splines on the pinion as well, but it was not as bad as the ring gear. Ya luckily the shafts did't break during on of the wheeling trips. That would have been a nightmare.
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