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Old 07-21-2008, 10:22 PM   #1
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dana 35c question

does the axle truss setups for the dana 35's really help? also,how can i tell what my axle ratio is? ive looked at the plates that are supposed to say it, but unless its in some code, i cant tell! its a 97 4 cyl. 2.5l,5 speed, if that matters. thanks in advance,guys!

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Old 07-21-2008, 10:28 PM   #2
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IMO you should have 4.10 gears.
and IMO itīs cheaper and easier to buy a used D44 instead of upgrading the small D35.

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Old 07-21-2008, 10:34 PM   #3
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What kind of wheeling do you want to do and what size tires do you want to run? A Super 35 kit which replaces the OE 27 spline axleshafts with 30 spline shafts (similar in strength to a Dana 44) together with a full-case locker of your choice might be the easiest way to go. That kind of upgrade would give enough strength to run a locker, up to 35" tires, and do some seriously tough trails without much worry.

A Dana 44 is a better upgrade but the Super 35 is plenty for most casual offroaders.
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Old 07-21-2008, 11:15 PM   #4
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well, id just like to do some moderate stuff, maybe visit the superlift orv park in hot springs. i used to do some hefty 4wheeling in hawaii in a 87 comanche 4.0, and broke the front axle 3 or 4 times, but never broke the rear. it was mostly mud, and very steep terrain. there were some trails, we would do at night, because in the day you could see and would chicken out!lot of fun, though!if my memory serves me right, it was a dana 44 in the back end. id just like to upgrade, so im not stuck somewhere with my wife griping at me for trying some trail she told me not to go on! would the 4:10's(if thats what ive got) be good for my 33" tires? thanks! also,what is in the super 35 kit? thanks eric and jerry!
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Old 07-22-2008, 10:04 AM   #5
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great pics of your wheeling!

jerry,i went to your site and loved the pics of the places you go to wheel!
while i dont plan to wheel as extremely as you do, the thing i always enjoyed was the comraderie, and willingness to help out a fellow wheeler. getting stuck is part of the fun, and ive made some great friends,either helping, or getting helped.maybe ill see you on a trail someday.
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Old 07-22-2008, 10:29 AM   #6
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4.10 (which is what your SE TJ came with) is ideal for 30" tires with your 2.5L engine but it would struggle with that same axle ratio with 33" tires. 4.88 is a much better ratio choice for the 2.5L when it is asked to push 33" tires.

The Super 35 kit (as made by Superior Axle) comes with 30 spline alloy axleshafts to replace the OE 27 spline axleshafts which fixes the D35c's key weakness, its non-alloy 27 spline axleshafts. The 30 spline axleshafts it contains are essentially the same strength as what comes in a Dana 44. It also comes with a full case locker, your choice of a Detroit Locker or an ARB Air Locker. The cable operated Ox Locker might also be available with it by now too but I'm not sure. The kit also comes with the installation kit which includes new bearings and shims. You're talking probably $1300 or so installed if you shop around. Caution that there are some knock-off "Super 35" kits that include 27 (not 30) spline axleshafts that are barely stronger than the stock axleshafts, avoid them. But to be sure, while the Super 35 kit gets rid of the Dana 35c's biggest weakness (axleshafts), the smaller/weaker D35c housing and smaller diameter ring gear remains. But still, the Super 35 makes the D35c strong enough for most wheelers in most situations... within reason that is.

And thanks for the nice comments, much appreciated. If you're ever in SOCAL and want to wheel the local deserts (not in the summer though lol), look me up. It'd be great to show a Texan the trails, I have Texan roots myself.
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Old 07-22-2008, 10:32 AM   #7
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Quote:
Originally Posted by guns-r-us.com View Post
does the axle truss setups for the dana 35's really help?
To answer your first question, yes it does help. The axle tube on the D-35 is very weak, and is the main factor in breaking the shafts. The tubes do bend a lot under stress, thus causing the breakage. Everything that Jerry mentioned is also very correct. The truss will help, but in the end, it will still not be as strong as the D-44, or 8.8. I would weigh the cost of trussing and putting in the super 35, vs. upgrading to a better axle, all together.
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Old 07-22-2008, 11:06 AM   #8
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thanks, all! it seems it would be more cost effective to get a d44 from a tj than upgrading the d35c. i will be searching the junk yards, i guess!
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Old 07-22-2008, 11:13 AM   #9
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Just to clarify a tad, few successfully running the Super 35 kit have also trussed their axles. Trussing is a good thing of course but not many have trouble with their Super 35 equipped axle that are trussless.
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Old 07-22-2008, 01:58 PM   #10
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I'm running upgraded shafts (Yukon 35s) and an ARB in back. I'm turning 33's and have had no issues in the 2+ years I've had it installed. Lotsa mud in AL, TN, KY where I wheel, and I find with the 4.88 gearing, I can be easy on the gas in most situations. Works very well for me.

While a D44 or 8.8 would have been nice, I didn't have the knowledge at that point to do the swap, esp for prepping an 8.8. Around me finding the D44 was more expensive than going with 4.88's and upgrading the rear to the stronger shafts.

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