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Old 02-21-2013, 11:48 AM   #1
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Gear upgrade

Hey guys just installed my 33 x 10.50 km2 on my tj. It has a zone 4.25 lift. I have d30 front /d44 rear. Looking to put some gears and lockers in it. What would be a good ratio to drop in there for a dd and what would be a good budget locker to run?

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Old 02-21-2013, 11:51 AM   #2
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What motor and transmission do you have?

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Old 02-21-2013, 11:53 AM   #3
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Go 4.10 if you have the 3-speed automatic, go 4.56 if you have the 5-speed manual. Those ratios will provide optimal highway and offroad RPMs.
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Old 02-21-2013, 11:55 AM   #4
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Quote:
Originally Posted by Cons_Table
What motor and transmission do you have?
I have 4.0 with a nv3550
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Old 02-21-2013, 12:01 PM   #5
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I have the stock 4.10 gears in my LJ rubicon with 33" tires. It has the 4.0L 6speed. I like it the way it is. First gear is actually useable on the pavment now (i use to start off in 2nd). The only down side is it doesnt like steep hills in high gear i will loose a few mph if i dont down shift to 5th.
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Old 02-21-2013, 12:09 PM   #6
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4.10 is more acceptable for 33" tires when you have the lower-ratio'd 6-speed transmission but 4.56 is definitely the way to go with the 5-speed transmission which produces lower engine RPMs.
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Old 02-21-2013, 12:15 PM   #7
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Yeah i dont know all these part numbers like some of you lol. Jerry as always... makes perfect since.
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Old 02-21-2013, 12:19 PM   #8
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Quote:
Originally Posted by Jerry Bransford
4.10 is more acceptable for 33" tires when you have the lower-ratio'd 6-speed transmission but 4.56 is definitely the way to go with the 5-speed transmission.
And what you think for a locker?
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Old 02-21-2013, 12:29 PM   #9
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What type of wheeling do you do?

Do you ever have to drive on icy roads?

Will any other drivers be driving your TJ like a wife or girlfriend?

What's your locker budget?
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Old 02-21-2013, 12:35 PM   #10
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Quote:
Originally Posted by Jerry Bransford
What type of wheeling do you do?

Do you ever have to drive on icy roads?

Will any other drivers be driving your TJ like a wife or girlfriend?

What's your locker budget?
Mostly trails, rock,mud, and little sand pit action. No icy roads. I'm the only driver. My budget is like $450 can work alittle on the budget. Can only do one at a time.
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Old 02-21-2013, 12:38 PM   #11
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Based on that, I'd go with a Detroit Softlocker (aka Detroit Locker). It is dirt-simple to use offroad, is very well behaved on road, and is nearly bulletproof. It takes a few days for it to train you how it likes to be driven so it is well behaved but that's minor. I LOVED my Detroit Locker I had in my previous (stolen) TJ. Point-and-shoot wheeling.

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