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36s on stock axles, safe?

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Old 08-18-2011, 12:55 PM
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Default 36s on stock axles, safe?

my 96 sport is mainly stock in regards to the driveline. i have a 4" lift with 33s now. they have no tread left and i picked up a set of parnelli 36x14.5" tires with decent tread for a good price. i know they will fit, i have a lot of fender trimming and custom tube fenders up front. my only concern is i have stock d30/35 axles with 3.55 gearing. my friend wheels her '00 xj with 35" baja claws and stock axles with no problems.

i realize i cant do any real wheeling with my current setup, but will this be safe to drive around town? i dont have $ to upgrade to beefier axles right now, i was thinking just going piece by piece, re gearing to 4.10, maybe 4.56 and getting cro-mo shafts. definitely doing a locker in the back too, probably a lockright auto, maybe just go with a spool

these tires are 80lbs a piece, do you think just those upgrade can handle them? we dont have much hardcore stuff here in CT
Old 08-18-2011, 12:57 PM
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before anyone brings it up too, i have 10" wide rims that will hold these tires.
Old 08-18-2011, 01:00 PM
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the D35 would snap in half the moment you tried to go forward. the dana 30 (as long as it is high pinion) is pretty stout and holds 35" tires faily well. now 36's are a different story. maybe with 30 spline shafts, 760 u joints, and a soft locker (aka true trac) then it might live but not recomended. definitly not on stock axles
Old 08-18-2011, 01:05 PM
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36x14.50 on a d35 is not such a hot idea
Old 08-18-2011, 01:20 PM
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dana 30 will be alright if you are careful. 35 will go bye bye real quick.
Old 08-18-2011, 01:58 PM
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So wats an alternative? I wanted to do a 44 in the rear eventually, i thought some of the older jeeps came with those. Ill do some junkyard digging, wat vehicles should i look for?
Old 08-18-2011, 02:36 PM
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U will be fine... I dont like either axle but for just bee bopping around man youll be fine... I would start with spending the money on upgrading a rear axle though... If your not gonna get into heavy wheeling a built 97-99 8.25 will be plenty... Heavier wheeling look at building a 8.8 with the same size tires... Lots of write ups on both... Build the dana 30 up front for 36's youll be fine and can do later... Do not waste your money on a dana 44 front... They share the same axle joints as the newer model dana 30's and they break all the time on a 30 so why spend the money on a 44...


No its not gonna break as soon as you try and drive... Itll be fine for the street and light trails... As u build a stronger rear end... I stress spending the money on a new rear before the front... And i stress not building the dana 35 u already have...
Old 08-18-2011, 02:41 PM
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Originally Posted by trans_am7935
the D35 would snap in half the moment you tried to go forward. the dana 30 (as long as it is high pinion) is pretty stout and holds 35" tires faily well. now 36's are a different story. maybe with 30 spline shafts, 760 u joints, and a soft locker (aka true trac) then it might live but not recomended. definitly not on stock axles
There is no strength difference between the high and low pinions axle housings... And the difference between 35's and 36's is one inch... So naming off all these parts because of one inch is silly... With either size tire these parts should be upgraded IF offroaded when the money is there to do it...
Old 08-18-2011, 02:41 PM
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thats reassuring, wouldnt a d44 be the next level up? i would rather have overkill than "just enough". so ill be safe for street and light trails, good to know. yes i will definitely swap a stronger rear in, and if i can get away with upgrading the d30, ill be happy with that, and it is a hp front.

so what should i do for rear? ill prob go through craigslist or the junkyard. ive seen old cj d44 rear for as little as $100. i would like to get something like that and clean it up and re gear it
Old 08-18-2011, 02:58 PM
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Originally Posted by huntingman2706217
There is no strength difference between the high and low pinions axle housings... And the difference between 35's and 36's is one inch... So naming off all these parts because of one inch is silly... With either size tire these parts should be upgraded IF offroaded when the money is there to do it...
The HP Dana 30 is about 30% stronger because the pinion gear is pushing on the drive side of the ring gear, not the coast side like in a low pinion axle.
36s with 3.55 gears will make your rig a gutless turd, and a thirsty one at that.
Old 08-18-2011, 03:01 PM
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A 8.8 is the same width almost... Disc brakes... Same brake lines but not a bolt in swap... They are way more common then the cherokee dana 44 and probly stronger... All other dana 44's besides the isuzu is gonna be full width and not line up,with,the front OR share the same lug pattern as the front axle...
Old 08-18-2011, 03:07 PM
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Im not concerned with gearing right now, a lot of people say the 3.55 with 33s is not great but im doing just fine and i even squeeze 20mpg out of this thing somehow. with a 4" lift and bald tires.
this rig defies all logic, i just dont want things to break before i can upgrade the parts. ill be driving nicely until i get the new goodies
Old 08-18-2011, 03:08 PM
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I have been running 36 in Irok's for a couple years and the front is a d30 with 4.88 and detroit tru trac and it have served well with on u joint failure but i was in a water fall and romped on it. My d35 c clip was under it had one break and swapped to a bolt in d35 its been in there 5 yrs. just swapped it outlast month for bigger D60.
I guess my point is if you are hard on it things will break quickly.
X2 on starting with the rear it will go first. Do you have your fenders cut? 4 in lift and 36's seem kind tight cuz i have way more than that and i can get them to touch.
Old 08-18-2011, 03:15 PM
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4.56 will set u in the middle and conserve gas DDing... 4.88's will give u more power offroad but not overkill...
Old 08-18-2011, 03:25 PM
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Originally Posted by MUDRUNNER AZ
I have been running 36 in Irok's for a couple years and the front is a d30 with 4.88 and detroit tru trac and it have served well with on u joint failure but i was in a water fall and romped on it. My d35 c clip was under it had one break and swapped to a bolt in d35 its been in there 5 yrs. just swapped it outlast month for bigger D60.
I guess my point is if you are hard on it things will break quickly.
X2 on starting with the rear it will go first. Do you have your fenders cut? 4 in lift and 36's seem kind tight cuz i have way more than that and i can get them to touch.

these are the tires i have and the other pic should show that im not afraid to take a sawzall to my rig :]
the front end is not finished yet, im putting flat tube fenders on
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