Tire Size
#1
Tire Size
Good Morning, I have a 2006 F-250 with the 18" wheel option. I bought the truck used. Can I switch to a 17" rim and tire? I dont need the 6 ply load range E tires and would like to get a somewhat nicer ride and thought a 17" 4 ply load range C would help with that. If that will work, what would be the size tire that I could use so my speedo wont be affected?
Thanks for any help.
Thanks for any help.
#3
Yes you can go to 17s, but no you don't want a C-rated tire. Unless the tire has a 119 or better load rating you won't meet your GAWRs. The highest C-rated tire I've seen was rated at 108, so unless you want to tires overloaded with the truck sitting empty, don't do it. Most guys who want to sacrifice load for ride quality will go with D-rated tires with a 119+ load rating.
#4
#6
Different strokes, if I was running bias ply IROKs I'd know not to be pulling goosenecks. Going through a blowout with a trailer will make you find religion in a hurry. FWIW my Nitto Trail Graps are 129 E-rated to 4080# and tow great.
Look at 285/75R17s or 305/70R17s for a stock height truck. They're both right around 34" tall, one is closer to 11" wide and one is closer to 12" wide. Keep the backspacing on the new wheels kind of tight and the 305s won't rub. I clear 295/70R18 (34x12") on stock wheels just fine.
Look at 285/75R17s or 305/70R17s for a stock height truck. They're both right around 34" tall, one is closer to 11" wide and one is closer to 12" wide. Keep the backspacing on the new wheels kind of tight and the 305s won't rub. I clear 295/70R18 (34x12") on stock wheels just fine.
#7
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#8
You can downsize, but I wouldn't go with load range C tires.
You can get away with load range D as long as they're properly inflated to the max psi and NOT what's on the door jam.
Load range "E" tires are what's best for these trucks as they handle the weight of these vehicles better. You'd much rather over compensate for something than run the thin line of failure/catastrophe.
Safety first!
You can get away with load range D as long as they're properly inflated to the max psi and NOT what's on the door jam.
Load range "E" tires are what's best for these trucks as they handle the weight of these vehicles better. You'd much rather over compensate for something than run the thin line of failure/catastrophe.
Safety first!
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