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Old 04-19-2009, 08:24 PM   #1
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33s on a dana 30

I have a 98 SE and am in the middle of installing a 4 in lift. I got the front done and put my tires back on and really like the way it sits with the 31s i have on it now. I am no rethinking my plans to upgrade to 33s now that i see it . they would fit fine i have about 8-10 in from top of tire to fender. What are the pros and ons from going up to 33s. Thanks for the input.i will post a pic tomorrow.

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Old 04-19-2009, 08:28 PM   #2
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The front D30 is fine with 33" tires, but your 4.10 gearing won't provide much performance with those 33" tires. If you have a 5-speed, I'd definitely be thinking of regearing to 4.88 to help turn the 33" tires if you go with them. Make sure not to install a locker into your rear Dana 35c, even the 33" tire size is pushing that axle.

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Old 04-19-2009, 08:33 PM   #3
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i have not had any problems with my dana 30 and 35,it has 3.73 gears and i have no problem going up hill in 5th gear and i run 35 mudkings,when i am carrying multiple kayaks i tow with no problemsneo
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Old 04-19-2009, 08:41 PM   #4
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Neo, some will claim the same as you have here, but the truth is you are just tolerating poor performance. I have 33's and 3.73's and its far less than optimum. Down shifting on hills to 4th is very common and often I have to use 3rd to climb some grades.
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Old 04-19-2009, 08:49 PM   #5
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Neo, some will claim the same as you have here, but the truth is you are just tolerating poor performance. I have 33's and 3.73's and its far less than optimum. Down shifting on hills to 4th is very common and often I have to use 3rd to climb some grades.
my jeep has plenty get up and go,with a few minor mods under the hoodneo
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Old 04-19-2009, 09:17 PM   #6
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my jeep has plenty get up and go,with a few minor mods under the hoodneo
I hope you're not talking about the do-nothing mods like throttle body spacers and K&N air filters.

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Neo, some will claim the same as you have here, but the truth is you are just tolerating poor performance. I have 33's and 3.73's and its far less than optimum. Down shifting on hills to 4th is very common and often I have to use 3rd to climb some grades.
Well said. Running 35" tires with 4.88 gearing as I do, I don't understand how anyone can think their performance is anything but bad with 35" tires and 3.73 gearing.
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Old 04-19-2009, 10:56 PM   #7
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I run 32's with 4:10's and find myself physically lunging my body forward to gain speed. 18 wheelers pass me on the flats in a head wind. I had a grandma flip me off as she passed me the other day. I use a wind sock and wind speed meter to make my decisions on which route I take. I mean, the State Patrol laugh when they look at their radar guns as I pass them. Okay it's not that bad... I don't know if she really was a Grandma. I can't even imagine how it would be running 35's with 3:73's

Can't wait to get the 4:88's in ( you don't have extras laying around do you Jerry )
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Old 04-19-2009, 11:08 PM   #8
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i run 75 with 39s and 5:13s effortlessly in an 3 speed auto....u should be able to run the 33s no prob.....on another not....i ran the same set up you wanna run and on hills it sucked around town and being 21-23 it was awesome the chicks loved it but you gotta pick your battles......is that 4 cyl or 6.....im guessing 4 with the se b/c that is what i had

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