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Thread: Tire Sizes the same?
10-25-2007, 08:29 AM #11
I went over and inch and half bigger on my last truck with no decrease in mpg. Maybe .2 or .3 which isn't enough to matter. Now upgrading from say a 29" tire to 35's. Yeah that will hurt you.
10-28-2007, 05:26 PM #12
- Join Date
- Oct 2007
- Huntsville, Alabama
You could also spring for a programmer. A good one will usually correct for over/under sized tires. I had stock wheels and when I put on my aftermarkets I could definitely tell a difference, but I put a programmer in and recalibrated the computer and it seems like everything is back to normal. As far as gas mileage is concerned, its always sucked so it makes no difference to me.
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