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Old 03-11-2007, 02:30 PM   #1
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How Hard Is It To Re-gear?

is it at all difficult to install a new ring and pinon?

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Old 03-11-2007, 03:16 PM   #2
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it´s difficult to adjust.
i do most things on my cars, but that i wouldn´t do.
if you don´t do it right ring and pinion can get damaged the first time you accellerate at full throttle.

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Old 03-11-2007, 08:18 PM   #3
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unless you have a lot of experience there is no way i would try it. things have to be setup PERFECTLY when installing them
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Old 03-11-2007, 08:28 PM   #4
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Gear setup is something that takes time learning how to do correctly. There are some tools that you need to check back lash etc... that can get pretty pricey. Everyone that has setup gears always has the first time they do it, so if you feel comfortable enough then go for it. I'd suggest having a friend around that has done it before however.
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Old 03-11-2007, 08:48 PM   #5
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Backlash was the biggest b.tch when rebuilding my buddy dana 35 on his TJ....

serves him right for reving up to 5g's and dumping the clutch on the street...
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Old 03-12-2007, 12:11 AM   #6
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its not hard to do but you must take youre time to make sure the adjustments are right but before you even start make sure you get the proper tools and every thing else you might need nothing like being in the middle of a job and not having something you need

I found that people are more afraid to set up gears and make it out to be harder than it realy is.
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Old 03-12-2007, 11:15 AM   #7
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Ill just get my 4x4 shop to do it then. I want to run 4.56 gears when i get my 37 in tires. But can i run those now with my 33 inch tires?
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Old 03-12-2007, 11:31 AM   #8
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yeah you can run that gear with 33's now. in fact 4.56's with 33's would probably be perfect. i think when you go to 37's 4.56's would be way too high. i would gear a big lower for 37's...but then again you do a lot of mud so you need higher wheel speeds.
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Old 03-12-2007, 12:04 PM   #9
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Thanks BIGGY, Where is a good place to buy some gears then? im gonna need dana 30 and ford 8.8. I hear auburn and randys
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Old 03-12-2007, 12:38 PM   #10
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i bought my last gears at randy's but i got a quote from 4wp for dana 30/ford 8.8 gears and install kits for $475
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Old 03-12-2007, 01:30 PM   #11
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Ill just get my 4x4 shop to do it then. I want to run 4.56 gears when i get my 37 in tires. But can i run those now with my 33 inch tires?
4.56 would be perfect for 33' tires to maintain stock power. If you move to larger tires and want to maintain power you need larger gear ratio. Here is a like to a gear table you can use as a reference.

http://www.4lo.com/calc/geartable.htm
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Old 03-12-2007, 03:23 PM   #12
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Thanks BIGGY, Where is a good place to buy some gears then? im gonna need dana 30 and ford 8.8. I hear auburn and randys
I hate to sound like a broken record, but you should check out the link at the top right of the forum. I'm very big on supporting the vendors that support us.
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Old 03-12-2007, 04:57 PM   #13
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This is my daily driver, i can only keep it in the shop 1-2 days at a time, So is there a gear ratio that i can use with my 33" now, and with my 37"s when i get them? i want the most power possible. Would it be smart to run 5.29's with 33 for a month or two?
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Old 03-12-2007, 05:11 PM   #14
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5.29 would be great BUT they do not make them for a D30. I believe (it has been a while since I had a 30) 4.88 is as low as you can go. I would go with the 4.88. It will be fine until you get the new tires.
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Old 03-12-2007, 05:37 PM   #15
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Yea, i see 4.88 is gona be my option then. I just have to buy the ring and pinon for front and rear axles and take it to the shop right? i dont have to buy any install kits do i?
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Old 03-12-2007, 05:48 PM   #16
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I would buy install kits. It is money well spent, to have all new stuff going in rather then pay the money for the labor and have an old bearing go out and have to pay to have it done again.
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89 YJ Nearly Stock Dual D30's front and rear
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Old 03-12-2007, 08:16 PM   #17
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Yea, i see 4.88 is gona be my option then. I just have to buy the ring and pinon for front and rear axles and take it to the shop right? i dont have to buy any install kits do i?
4.88's may be quite low for the 33's but definitely driveable...considering there is a guy (jeepinyahoo) that runs 31's with 4.88's ( )

4.88's would probably suit you great...it will fit your axles...and it will do ok with 33's till you get 37's...which the 4.88's should also be good with since you do a bit of mud...plus mudweiser runs 4.88's with 38's.
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Old 03-12-2007, 11:17 PM   #18
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4.88's may be quite low for the 33's but definitely driveable...considering there is a guy (jeepinyahoo) that runs 31's with 4.88's ( )

4.88's would probably suit you great...it will fit your axles...and it will do ok with 33's till you get 37's...which the 4.88's should also be good with since you do a bit of mud...plus mudweiser runs 4.88's with 38's.
Honestly Bigjeeper you aren't going to be rolling that much more of an RPM load with 33's and 4.88's than if you were running 35's or higher.
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Old 03-13-2007, 06:28 AM   #19
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Im a bit confused what are REV or reverse gears? can i get these, whats the adavantage?
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Old 03-13-2007, 09:10 AM   #20
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the later model dana 30s in jeeps was high pinion, or reverse cut. the high pinion is good for ground clearance and driveline angle, but you ccant get as deep of a gear for it.
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Old 03-13-2007, 09:24 AM   #21
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Honestly Bigjeeper you aren't going to be rolling that much more of an RPM load with 33's and 4.88's than if you were running 35's or higher.
sure can't be too bad...jeepin yahoo runs 31's w/ 4.88's...DANG that is super low! says its at about 3K RPM's at 60mph
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Old 03-13-2007, 11:42 AM   #22
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sure can't be too bad...jeepin yahoo runs 31's w/ 4.88's...DANG that is super low! says its at about 3K RPM's at 60mph
That I will agree is pretty excessive, but going from say 2600 to 2800 at 65 mph isn't that much of a difference.
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Old 03-17-2007, 11:03 AM   #23
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What does "NEEDS_NTCHED_X-PIN" mean? . Im on randys ring and pinion, i found the ratio i want but it looks like i need that notched x pin, i cant find it? what is it?

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