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Discussion Starter #1
i have believe i have 4:10 gears in my 2001 off road im going with 36" super swamper will the 4:56 be that big of improvment is it essential for tranny life and so on???gears are so pricey! especialy the install!!hoping maybe i can get bye with truespeed sensor
 

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The Off roadsters do come with 4.10 gears, do you have an auto or a manual tranny? If you have a manual I wouldn't bother re-gearing.
 

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Discussion Starter #3
I HAVE AN AUTOMATIC
 

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I'd get a tranny-temp gauge first. MUCH cheaper (<$100). Don't drive in OD unless you're on the highway and over 55-60mph.

Keep an eye on the tranny temp. If it's still getting up to 200*F regularly, then regear. Gears are cheaper than a transmission, especially since you'll just keep replacing the tranny every so many miles...

Keep the fluid temp well under 200*F (try not abov 175), and you'll be fine.

See the side-bar on tranny life vs. tranny fluid temp.:
http://www.mag-hytec.com/Transmission_pans.htm

Those numbers are roughly backed up by a guy that rebuilds lots of mopar trannies. An expert in them, you might say. General idea is that up over 250*F, you should drain/fill your tranny to get new fluid in, as it's been shot by the temp.
 
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