Initial Jimmy Questions
#1
Initial Jimmy Questions
Hi All,
Just got an 05 Jimmy, and know absolutely nothing about the GMC stuff. Used to be a Jeep guy, but like the option of a wagon on a frame which the Cherokee is not.
Curious about a few things. Will be slowly building it up a bit. No plans for SAS, or to go as nuts as I did with my last jeep. Just something that will work in moderate off road situations.
I also have no idea about my rear axle. How strong is it? What's the factory gearing? What size tires can I run on stock driveline without worrying about blowing my axle shafts? Can I trust this electronic T-Case selector? What breaks the most on outings (with the jeeps it's U-Joints)? How bad is this IFS system off road (I'm not getting into a SAS on this)?
Cheers,
Russ
Just got an 05 Jimmy, and know absolutely nothing about the GMC stuff. Used to be a Jeep guy, but like the option of a wagon on a frame which the Cherokee is not.
Curious about a few things. Will be slowly building it up a bit. No plans for SAS, or to go as nuts as I did with my last jeep. Just something that will work in moderate off road situations.
I also have no idea about my rear axle. How strong is it? What's the factory gearing? What size tires can I run on stock driveline without worrying about blowing my axle shafts? Can I trust this electronic T-Case selector? What breaks the most on outings (with the jeeps it's U-Joints)? How bad is this IFS system off road (I'm not getting into a SAS on this)?
Cheers,
Russ
#5
7.6" doesn't sound like much of an axle. I'm guessing with the stock driveline, that nobody really runs anything more than a 31" tire? I was hoping to get 33's under it at minimum, but I'm assuming that the axle is too weak, and that for 33's I'm looking at a re-gear?
#6
You will have to look up the RPO , my last 05 Jimmy was an 8.6" with 342 , my buddies 05 Jimmy is 8.6 with 373 ....His truck is not a Zr2 , just ordered with the bigger rear end with lower gears.....possibly because of the tow ready package.....you can tell visually if it is a 7.6 or 8.6....google for pictures.
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