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Old 07-18-2019, 09:58 AM
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Planning ahead

Ok so I would like to get some advice and input from the seasoned and more experienced. My Final goal for my 95 is to run 35s and be content with the off roading this provides. I'm not looking to crawl boulders and serious HARDcore offroading.

so on a 4inch lift, wanting to run 35s, what axles and gear ratio have you found to be ideal for you? What has been the best place to find these axles...new or used, vehicles you can pull from ect.
Yes I will drive it on the road some and I understand I will lose mileage but as long as it not under 9mpg Id be happy.

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Old 07-18-2019, 12:14 PM   #2
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5.13 gears, you'll need more than 4" or fender clearancing to accommodate the 35's if it's gonna be flexed at all.

Here are the killers, brakes, tie rod, and drag link will need to be upgraded. Black Magic Brakes has a Big Brake kit that works great with 35's. Now the D35 is not strong enough in it's stock configuration. You will need to build a Super 35 with 30 spline 1541H shafts and a locker of your choice that accepts 30 spline shafts, or swap in a 8.8, 9'' or D44.

The D30 is marginal at best for 35's, light wheeling would be ok if you take it easy otherwise you will need chromoloy shafts or a D44 up front.

You're gonna spend a bunch of money to gain 1" of clearance compared to 33's
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'94 YJ 5sp 4.10, Super 35, HP30 w/Aussie, sitting on 33's, RE chromo drag link, 9500 Lb winch, 4" lift, 4x4 Posi Lock, it's a resto-mod in progress.
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Old 07-18-2019, 12:41 PM   #3
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I went with 4.88's with 35's and power is good but my gas mileage suffered horribly. If i keep it at 55mph it's not too bad but if i drive 65 or god forbid 75 you can watch the gas gauge drop. I dont even drive the jeep much anymore because of how bad the gas mileage is and i only drove it on the weekends anyways. At 65mph i am turning about 2400rpm and at 75mph it's about 2800rpm

When i had 33's and 4.10 gears and i would regularly drive 65-70mph and my gas mileage was pretty good for a jeep. My jeep was several hundred pounds lighter though too so i dont know if the gearing is solely to blame. But i am considering buying a set of 37" Hummer tires to see if my MPG improves lol, doubtful.

As for axles you could do the Ford 8.8 if you are on a budget and beef the D30 up. There are other axle that are the correct width like the first gen Toyota Tacoma 8" and the Isuzu Rodeo D44 but they are 6 lug and you cant change the lug pattern on the front 30 to a 6 lug to match. 5 lug 8" Toyota axles were available in 2wd V6 trucks but are very hard to find. Or you could use a Isuzu D44 and have custom rear shafts made and figure out a way to make brakes work.

I procrastinated for 20 years on what to do about the stock axle situation and eventually ordered ECGS axles and got them the way i wanted them and i have no regrets.
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94, 4.0/NV4500/NP231HD w/JB Conversions super short SYE, 4.5" Rubicon Express lift, JKS 1.25" body lift, Dana 489's w/OX lockers 4.88 gears, Tom Woods drveshafts, 35" BFG KM3's, WFO boomerang shackles, Warn XD9000 winch, Doug Thorley header, JBA mid pipe, Borla cat back.
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Old 07-18-2019, 01:32 PM   #4
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4.88 gearing is most appropriate for the 4.0 AX15 combo. I also ordered an axle from ECGS setup to my specs. They offer what is basically a narrowed JK Dana 44, which is what I ordered.

Steering, brakes, SYE, rear driveshaft, chromoly axle shafts, and suspension components will all need to be upgraded to run 35s.
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Old 07-24-2019, 12:00 PM   #5
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Why would you want 35s if you aren't going to crawl boulders or do serious HARDcore wheeling?

Before you do anything, discover what you'll need to achieve your goal and then put a pencil to the costs. Then add another 50% to cover the hidden or unforeseen costs.

Good Luck, L.M.
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Old 07-24-2019, 12:05 PM   #6
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Quote:
Originally Posted by Luckymac View Post
Why would you want 35s if you aren't going to crawl boulders or do serious HARDcore wheeling?

lol, i could say the same about buying a jeep. Despite people putting 40"+ tires on a jeep the frames were never built for it and you have a bunch of sheet metal that is going to get damaged.

Not to mention buying a jeep and throwing more than half of it into the garbage and replacing it with parts that dont suck.

If you plan on doing hardcore wheeling you should be finding a tube frame and building a buggy and leaving the jeeps alone.
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94, 4.0/NV4500/NP231HD w/JB Conversions super short SYE, 4.5" Rubicon Express lift, JKS 1.25" body lift, Dana 489's w/OX lockers 4.88 gears, Tom Woods drveshafts, 35" BFG KM3's, WFO boomerang shackles, Warn XD9000 winch, Doug Thorley header, JBA mid pipe, Borla cat back.
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