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Leveling kit and tire size

3K views 3 replies 4 participants last post by  Daly 
#1 ·
Hello.
I am thinking of installing a leveling kit to my 2010 silverado 2wd
I've done some research and due to the fact that I will be doing some towing I think the 1.5" leveling kit should work for me.
I'm also going to instal some bigger diameter tires
Here is where I'm having a hard time deciding.
Currently I have stock 245/70/17s. The truck rides smooth and the gas mileage is great
I average 20 mpg with 80% highway driving
I was thinking of going with 245/75/17 or 265/70/17s Both tire sizes are around 31.5" in diameter.
I've heard that wider tires (the 265s) will decrease the mpg
Does anyone here have a similar set up. If so please share your experience and results

Thank you in advance
 
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