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Old 01-30-2010, 10:34 PM   #1
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D35 how far to push it?

I am in the process of deciding how to start the build up of my jeep. I will be mainly using it as a DD and some moderate off roading from time to time. I don't ever plan on any type of hard rock crawling of any type. I also only plan on using 33's (I know for sure I won't be going any bigger). My question is am I ok to put money into my D35 in re-gearing (currently have 3.07) I don't want to spend money on re-gearing if I need to do an axle swap sometime down the road.

If I am fine to keep the current axle I am torn whether to spend my money on re-gearing first or the RE 3.5 lift and replacing the BL it currently has. Currently has 32's but plan on changing those to 33's later this summer.

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Old 01-30-2010, 11:01 PM   #2
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if you have 32's... why change to 33's? You will only get ~.5" more ground clearance. If you are thinking of re-gearing and a taller lift, I'd probably look to 35's. I've got 32's on mine as well as 3.07's and will be skipping 33's and probably 35's and go with some 37's. Of course I'll be getting new axles (D44's or better).

For you, I'd highly suggest looking at a new rear axle. Best bet is probably a Ford 8.8 out of an Explorer. They can be had for cheap, and are just as if not stronger than a stock TJ Dana44. The only downside is that they are not bolt in. You need to have the stock brackets cut off and the TJ brackets welded on. In most cases you can find them with 4.11 gears already, which would be nice with your 33's (if you get them) and then you'd only need to re-gear the front axle.

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Old 01-30-2010, 11:17 PM   #3
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The 32's are pretty worn out and a pretty tight fit. So if I am going to buy new ones I want to go to 33's. So regardless I want to go with a bigger lift because I don't like how tight it fits now. This is actually my 3rd Jeep and am confident I will be happy with 33's and will not want to go bigger.

So I actually thought about doing the lift and just keeping an eye out for a good deal on an axle and swapping it. I would love a bolt on application but know that will be harder to find especially in Idaho. I know the 3.07 isn't ideal but I am dealing with it now so I am sure the 33's won't make much of a difference.
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Old 01-30-2010, 11:27 PM   #4
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The other downside to the 33's is their weight over 32's. You have a larger rotating mass and weight. It sucks with 3.07's and will suck more with 33's for sure. But if you know for sure you are going to stick with 33's, I'd at least buy a Super35 kit when you re-gear. The D35 is weak, and adding larger tires just lessens it's life. If I was in your boat, I'd either upgrade the axle, or swap in a new one before getting newer/taller tires.
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Old 01-30-2010, 11:50 PM   #5
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Ok. Thanks for the advice. How much more does the Super 35 kit add to the re-gear price?
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Old 01-30-2010, 11:54 PM   #6
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They run around $800 with a Detroit locker.
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Old 01-31-2010, 12:13 AM   #7
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So around $1800 for new gears Super 35 and locker?
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Old 01-31-2010, 12:33 AM   #8
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Sounds about right - but that may or may not include install... unless you plan on doing it yourself. If you haven't done gears a lot, I'd suggest having a qualified tech do it.
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Old 01-31-2010, 12:41 AM   #9
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i am running 3.07 gears and 33's on my dana 30/35 i honestly dont really feel all of the power drag everyone was talking about. i run just about every terrain except rock crawling.

quite a bit of county roads, paved (55mph) and gravel (up to about 55). Then also about 80-100 miles of highway every week. which i will run 70-80 no problem.

to be honest i beet the hell out of my jeep, it gets abused too a lot.
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Old 01-31-2010, 07:20 AM   #10
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My problem with 3.07 axles and an automatic was constant up/down shifting on hills and in the mountains.
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Old 01-31-2010, 10:48 AM   #11
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Crazyredneck- It sounds as if my driving habits will be similar to yours but I have the 5spd which would avoid any auto shifting like Kilroy stated. It is good to hear that it will most likely be fine for awhile even though it isn't ideal.

I think I will add the lift and go to 33's and then keep an eye out at the local junkyards for a replacement axle or start saving for the Super35 but I haven't ever done gears so don't think I will try and tackle those.
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Old 01-31-2010, 05:29 PM   #12
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I don't get it? I have 35's with a 6'' lift and stock axles... Why would one of the toughest vehicles around, come with weak axles that need replacing? Or re-gearing? Seems stupid, especially if a explorer comes with stronger axles!?!
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Old 01-31-2010, 09:43 PM   #13
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I have wondered the same thing but then think about how many Jeeps that run around that never see dirt. Your average Jeep doesn't need anything that beefy.
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Old 01-31-2010, 10:05 PM   #14
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Quote:
Originally Posted by xwolfmanxx View Post
I don't get it? I have 35's with a 6'' lift and stock axles... Why would one of the toughest vehicles around, come with weak axles that need replacing? Or re-gearing? Seems stupid, especially if a explorer comes with stronger axles!?!
Simple answer, cost.

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