easy test: have someone get into your truck, start it up, and turn the wheels one direction. when the tire is the closest (from tire to body/fender flare/etc.) to hitting as it can get (doesnt have to be close to hitting, just the closest) measure the distance from the corner of the tire, to the nearest spot. now have the person turning the wheel to turn it on the oposite direction, do they same thing. take the smallest measurement and mark it down, remember it or whatever.
now, get your desirable tire size then you current tire size, and subtract the smaller diameter tire from the larger diameter tire. now divided that by two.
if the outcoming measurement is smaller than the smallest clearance from tire to body on your truck you should be ok.
Also, tire shops WILL do a test fit for you. So go in, tell them what you want, tell them to jack up one corner of the truck, and have them mount the new tire. the will know what they are doing and will tell you if you will clear. but dont let them force you into anything, if you arent sure, just tell them youll have to think about it and leave.
Originally Posted by Gearhead61
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