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Old 10-06-2010, 07:51 AM   #1 (permalink)
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4x4 with slightly different tires sizes?

hey all quick question. I have a 93 2500 4x4 that i got real cheap. I really need two new tires and someone gave me some used nitto terra wranglers for free. The tires i have on the truck now are 265/75/16 and the free ones i got are 265/70/16. I think this little difference may still screw up the transfer case? thanks!
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Old 10-06-2010, 08:21 AM   #2 (permalink)
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Yup it sure can seen it to many times. I've sold people at work 2 tires when I suggested they buy 4 they go out wheel the shit out of it and try to come to us to pay for a new tranny case saying its our fault. U can run them if you want but I wouldn't recomend running it in 4wheel drive.
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Old 10-06-2010, 01:07 PM   #3 (permalink)
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Obviously running in 2wd will not be any problem. If you only run 4wd on low traction surfaces (i.e. where you would be spinning or stuck in 2wd) there will also be no issues, and really shouldn't be any problems if you were doing real low speed driving like on a trail. The stress is pretty negligible compared to what a truck can see when throttle down climbing hills, but it's the sustained stress and heat build-up when doing high speeds that will cause the issues.
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Old 10-07-2010, 01:11 AM   #4 (permalink)
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Quote:
Originally Posted by 6.2Blazer View Post
Obviously running in 2wd will not be any problem. If you only run 4wd on low traction surfaces (i.e. where you would be spinning or stuck in 2wd) there will also be no issues, and really shouldn't be any problems if you were doing real low speed driving like on a trail. The stress is pretty negligible compared to what a truck can see when throttle down climbing hills, but it's the sustained stress and heat build-up when doing high speeds that will cause the issues.
Good info, same with above post; but , specifically,
measure rollout. (Run a tape all the way around the tires)
if they're within 3/4" rollout, you'll be ok.
if not, you'd still be ok in 2wd.
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