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New gear itch...

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Old 07-30-2010 | 02:04 PM
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Default New gear itch...

I have a 2009 Rubicon. I put a 3" lift and 35" tires on a week after I bought it and never looked back.

I have been seeing a lot of postings on gears lately. Would chnaging the gears with my set up may a big difference?
Old 07-30-2010 | 02:09 PM
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Default You betcha1

Back in the day this was the first step. Then came bigger tires.
Old 07-30-2010 | 02:25 PM
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So what gears do I have now in a stock Rubicon? What gears should I upgrade to?

Originally Posted by Holyroller
Back in the day this was the first step. Then came bigger tires.
Old 07-30-2010 | 02:31 PM
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Gears are the single biggest performance improvement you can make when going to bigger tires. Don't know if you have looked at superchargers at all, but even Ripp suggests re-gearing before buying one of their own products. That right there says a lot...


You have 4.10's. With a manual and 35's, 4.88's are popular. But, check any of the thousands of other gearing threads for more opinions. And you should also open the Drivetrain FAQ's and check the charts.
Old 07-30-2010 | 02:34 PM
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Originally Posted by WindyCityGuy
So what gears do I have now in a stock Rubicon? What gears should I upgrade to?
I have 35's on mine and just installed my own gears. I got 4:88. I have a 2dr 6 speed. If you have an auto go with either 4:88 or 5:13 depending on your driving style or if you in the future going to 37" tires. I believe that you have 4:10 gears stock.
Old 07-30-2010 | 02:41 PM
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I actually just tripped across a great gearing thread here so I have a better understanding of where I am and where the sweet spot is.

I do have 4.10's with the Rubicon, and I should have said in my first post that it's a manual. So based on the grid here (https://www.jk-forum.com/forums/jk-write-ups-39/gearing-82262/) I would only go up to 4.56's.

Seems like a lot of work to move up a single gear step. Now that I have given everyone the full picture does going from 4.10's to 4.56's make sense?
Old 07-30-2010 | 02:47 PM
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Originally Posted by WindyCityGuy
I actually just tripped across a great gearing thread here so I have a better understanding of where I am and where the sweet spot is.

I do have 4.10's with the Rubicon, and I should have said in my first post that it's a manual. So based on the grid here (https://www.jk-forum.com/forums/showthread.php?t=82262) I would only go up to 4.56's.

Seems like a lot of work to move up a single gear step. Now that I have given everyone the full picture does going from 4.10's to 4.56's make sense?
It might, if you could actually find them...

Best advice would be to listen to the thousands of people that have already geared their manuals. Browse through more threads, and you'll see that 4.88 is the gear ratio of choice for that setup. With a price tag in the $1000-$1500 range, it isn't something you'll want to do twice.
Old 07-30-2010 | 02:54 PM
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Amen to that!

What happens to the feel of the Jeep if I go too high? I realize too low limits power and I get that. But I can't picture what going too much would do....

Originally Posted by nthinuf
It might, if you could actually find them...

Best advice would be to listen to the thousands of people that have already geared their manuals. Browse through more threads, and you'll see that 4.88 is the gear ratio of choice for that setup. With a price tag in the $1000-$1500 range, it isn't something you'll want to do twice.
Old 07-30-2010 | 03:16 PM
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Originally Posted by WindyCityGuy
So based on the grid here (https://www.jk-forum.com/forums/showthread.php?t=82262) I would only go up to 4.56's.

Seems like a lot of work to move up a single gear step. Now that I have given everyone the full picture does going from 4.10's to 4.56's make sense?
When I looked into getting my gears the calculations actually had the 4:88 closer to stock configuration with the 35" tires. I got the G2 gears and they dont make 4:56 for the JK... FWIW

I am still in the break in period but I am impressed with the 4:88 set up.
Old 07-31-2010 | 03:57 AM
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It won't take long before your 35s start looking like 33s I say 5:13s and call it a day and not have to worry when you order your next set of tires which may be a lil bigger, give Dave a call at Northridge4x4 he'll take of u....



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