Original tires are Bridgestone Dueler HL Alenza; 275/55R20. No real problems with them, but wonder if anyone has opinion regarding a better replacement. I almost never drive in snow or ice but I do deal with a lot of rain and pooling on roads.
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Hi,the 255/55R/19 is just a little taller ( 3/4--1" inch.) than the oem tire and should not be an issue to use, i took the 16" rims & tires off my 99 f-350 truck and put 18" rims and tires from a 2008 f-350 on it ( the dealer said they would not even bolt on!! but they bolted right up with no issues,and they improved my ride tremendously.) as long as you have enough clearance between tire and fender it will not be an issue at all. yz-maniac.
gregg it is best to allow a vehicle some right hand lead due top crown of most roads. road crown is designed to slope right and factory vehicle alignment usually follows slope. if u fall asleep or lose steering control of vehicle road crown" right float" will lead to ditch instead of oncoming traffic. if this really bugs u ask alignment technician to make left wheel .2 degrees more positive camber then right wheel and request caster be set no greater then .3 degrees difference between the 2 wheels request printout to verify. this should remove lead considering there is no tire pull. general motors compensates for road crown using caster typically but i prefer camber compensation
Tahoe's are heavy and wear tires very fast 30k is pretty good actually for tahoe. but if u look at tire company sites they list wear factor ratings look for best number in your tires size and theoretically they will last longer.
245/65R17 is a much more popular size however it is generally(tire sizes are not uniform) about 1 to 1.5 inches bigger in diameter & about a half inch wider. This means you will need about an inch more clearance when the front wheels are max turned, left or right. Also allow for suspension bounce. As far as type of tire: first decide on your priorities (ie..max traction, smooth ride) & then the choice will be easy
I do not know for certain whether the larger tires will fit; but here is how you can check.
The 235/60-17 Bridgestone Dueler H/T D684 II have a diameter of 28.3 inches, rim width of 7, section width of 9.3 and a tread width of 7.8. When compared to 245/65-17 Bridgestone Dueler H/T D684 II the diameter(29.5) is 1.2 inches larger and the section width(9.8) is 0.5 inch larger. The rim width and tread width are the same. You would need to check existing clearances and then compare to the additional size required to verify fitment. The above data is from TireRack (see web address below) http://www.tirerack.com/tires/Spec.jsp?make=Bridgestone&model=Dueler+H%2FT+D684+II&tirePageLocQty=
Tire Rack carries 5 different tires from 3 brands(Bridgestone, BFG, and Kumho) in the 235/60-17 size at $66 to $119 each. I have bought many tires from them without a problem. They do not carry Cooper tires.