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Old 10-06-2011, 08:52 PM   #1
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4.11s, 6 spd, 35s?

Just bought an '05 wrangler. It currently has 33s on it as well as a rancho lift. I'm curious as to how 35s fair with the 6 spd and 4.11s. I realize a regear is ideal for 5 spds but with the 4:1 transfer case and higher OD/first gear of the 6 spd, would 35s actually be ideal? I will be doing moderate offroading, HWY driving, and using it as a DD. Not going to rock crawl or anything. Would this also lead to better or at least equal fuel mileage to the rubi with 33s? Thanks!

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Old 10-06-2011, 09:08 PM   #2
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my gas mileage maxed out at 15.8 mpg(hwy) with 33" /6sp.

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Old 10-06-2011, 09:15 PM   #3
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Just bought an '05 wrangler. It currently has 33s on it as well as a rancho lift. I'm curious as to how 35s fair with the 6 spd and 4.11s. I realize a regear is ideal for 5 spds but with the 4:1 transfer case and higher OD/first gear of the 6 spd, would 35s actually be ideal? I will be doing moderate offroading, HWY driving, and using it as a DD. Not going to rock crawl or anything. Would this also lead to better or at least equal fuel mileage to the rubi with 33s? Thanks!
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Old 10-06-2011, 09:18 PM   #4
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yep!
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Old 10-06-2011, 09:23 PM   #5
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If you're new jeep is a DD, and moderate offroading; best to stick to the 33's and the 4.11 imo. Your highway mileage will worsen with bigger tires, no matter what you regear. Save your money and throw it into the suspension, winch (if you don't have one) or some cool ARB stuff haha
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Old 10-06-2011, 09:26 PM   #6
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yep!
Now that you have confirmed your TJ has D44 axles, I'll just say that 4.56 is what you want for 35" tires with your 6-speed. 4.10 is just too high of a ratio to be a good choice for 35" tires.
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Old 10-06-2011, 09:56 PM   #7
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Not 4.88?
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Old 10-06-2011, 10:18 PM   #8
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Id say 4.56 is the sweet spot for power and mpgs. I have always been an advocate for higher gears though.
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Old 10-06-2011, 10:34 PM   #9
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Im an odd ball...my mpg actually improved moving up to 35s from 33s (Rubi here as well) Also I am actually happy with it on the highway and I drive like an a$$.
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Old 10-06-2011, 10:43 PM   #10
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Jp90Talon, did you regear? 35x12.5s?
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Old 10-07-2011, 12:12 AM   #11
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Im running 35s with 4.10s and I am happy with it. It was good with the 5 speed (ax-15) but its even better with the auto (32RH) that I swapped in.

But since you have a 6 speed I would say go for the 4.56. If your not up for a regear the 4.10s will not be bad but you may not be able to use 6th gear on the highway.
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Old 10-07-2011, 09:25 PM   #12
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why would 35s be better with your 5 speed than my 6 speed? I have a higher OD.
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Old 10-07-2011, 09:28 PM   #13
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why would 35s be better with your 5 speed than my 6 speed? I have a higher OD.
I never said that it was. I have a 3 speed auto now (no overdrive) Thats why the 4.10s are better for me with 35s.

since the 6 speed has overdrive you can run 4.56s without the high rpms on the highway that I would have.
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Old 10-07-2011, 10:23 PM   #14
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the 5 spd has a taller 5th gear than my 6th gear... I'm not sure what you mean.
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Old 10-08-2011, 07:32 AM   #15
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the 5 spd has a taller 5th gear than my 6th gear... I'm not sure what you mean.
I HAVE A 3 SPEED AUTO WITH NO OVERDRIVE!!!!!!!!!
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Old 10-08-2011, 08:47 AM   #16
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Haha sorry I was confused by this..

"It was good with the 5 speed (ax-15)"

I realize your auto is better than the 5 spd. I'm just referring to manuals.
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Old 10-08-2011, 07:06 PM   #17
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I have the same combo and I probably won't regear when going to 35s. 1st gear is super low and the top gear could be a bit taller. I'd give it a shot for at least a couple months before you spend $$$ on a regear you might not need.
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Old 10-08-2011, 08:59 PM   #18
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yeah, my fear is lugging the engine at HWY speeds.. not really whether or not its the optimal size for offroad use.
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Old 10-09-2011, 10:33 AM   #19
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If you need more than 50% throttle then downshift. I'm still on wimpy 31s, but my rpms are always over 2500 on the freeway. They get over 3000 if i'm "speeding".
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Old 10-09-2011, 08:57 PM   #20
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Jp90Talon, did you regear? 35x12.5s?
35x12.5x15 MTRs with the 6spd and stock 4.10s. I do not have any issues keeping 75mph on the highway though I do have to down shift for hills but oh darn.
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Old 10-09-2011, 09:17 PM   #21
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I've driven that combo quite a bit--4.10, NSG370 and 35's. Due to the NSG's lower .84 OD it's 'not bad' on the highway and due to the closely-spaced intermediate gears, it's fine at all other times. But that all goes out the window when you compare it with 4.88's. Much better at all times. Don't fear the gear.
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Old 10-19-2011, 03:54 PM   #22
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05 Rubi,410 and 35's. Like the 2500 rpm at 70 mph. I can still pull 60 up our mountain passes here in Colorado without killing the 4.0. Not my DD, mostly for prowling our jeep roads here in Colorado and red rocks in Moab. I remember driving it home in the fall of 04 new and thought what a slug on the pass. Not a lot worse then stock was. Yes, when running 75 and up a hill I have to down shift. With the 6 speed I've got plenty of gears to find the rpm I like. We don't have the TJ's to go balls to the wall. If I want to do that, I'll jump in my 09 Laramie Hemi and get that 100 or more at the top of the hill. It'll pull the passes faster with the Rubi on the trailer behind it then the Rubi will go up the pass. Guess what I'm trying to get across is just what do you want out of your TJ. If you want perfomance, drop in a LT1, that's not what I bought and built my Rubi for.
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