Replacing Tires on my GMC
My tow vehicle is a 2017 GMC 2500HD. The original tires are Firestone LT225/75R17, they only have 23000 miles. I have rotated these tires at every oil change approx. every 5000 miles. All four tires ...
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captbru wrote:
I rotate the tires at every oil change since new, I have the dealer due the oil changes right around 5000 miles.
I run the rear tires at 80PSI and the front at 75PSI.
Have about 5000 towing miles with the fifth wheel and then a few hundred miles with a utility trailer.
No lead foot while towing the fifth wheel on the Interstate I set the cruise at 62 or 63, never over 65 except to pass if needed. Then back to the set speed. On back roads I due the posted speed limit. When not towing I due the speed limit or no more than 75 on the Interstate if the posted limit is 70.
Hope this answers your questions. I'm just looking for a good set of tires, not what did you due wrong to cause the tires to wear down.
Thank you to the ones that answered, looks like Michelin is the way to go.
At those inflation levels running empty is like using 24 grit sandpaper on the tires. You will see excessive center wear on all 4 tires.
Are you running tires that match the door frame sticker on the truck? if so run the fronts at the inflation level indicated on the sticker. There is no need to go above the door frame sticker on the front tires as you cannot load them enough to need anywhere near max inflation.
If you truly want to get maximum mileage out of your tires -inflation must be set to match actual load. This means when running empty the rear inflation levels must be dropped to a lower level.
