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CHL 07-28-2012 01:36 PM

Question about a Jeeps gearing
I'm looking at a Jeep on CL & wanted to know if this Jeep would be Ok on the highways with the gearing they've put in. It wouldn't be a highway daily driver, just occasionaly.

1994 Jeep Wrangler YJ
Engine: Fuel Injected 4.0 Straight Six Cylinder
Transmission: 4 speed automatic transmission with electronic shift control to keep in any gear
Rear Axle: Dana 44 with 4:56 gears and spool with alloy axles
Front Axle: Dana 44 with 4:56 gears and ARB air locker
Tires: 37"-13.50"-15" Pitbull Rockers

Thanks for looking.

CHL 07-29-2012 09:33 AM

Maybe I posted this in the wrong section, or used the wrong terminology. I'm obviously a newb for asking such a question, but how am I going to learn?

Can someone at least point me in the right direction so I can do some research on this topic?

Timberwolf 07-29-2012 10:43 AM

the gearing isn't the problem
37s on the highway with a spool = bad idea

CHL 07-29-2012 12:58 PM

Thank you TW.

How can I figure out the correct tire size to run effectively on a highway? Is there a chart I could refer to.

TopDwnWhlsUp 07-29-2012 01:46 PM

I don't think timberwolf was stating that the tire size on the highway was the issue, it's the fact that the rear diff is spooled, basically it's an automatic locker or locked all the time, in the front it is an arb, or selectable locker, you could choose when you want to engage it. This setup would be awesome on the trail, not so much on the road as being locked makes taking corners somewhat of an issue, especially on tires that big since the tires ar both turning at the same rate of speed all the time. You could always replace that automatic locker with a selectable if you wanted to ie arb the back. Hope this helped.

CHL 07-29-2012 01:52 PM

Yes, that helps. Now I understand.

Thank You.

TopDwnWhlsUp 07-29-2012 01:59 PM

No prob.

XJ Knight 07-29-2012 02:01 PM

Removing the spool and going down to 35x12.5/15's would definently be something I would do if I bought something like that and wanted to use it for street use

CHL 07-29-2012 09:46 PM

Thanks for the input XJ.

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