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03 Avalanche Tire Q

lifethroughdeath

1/2 ton status
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Jan 26, 2003
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Location
New Bedford, MA
my dads allways been a truck guy, allways stock but nonetheless a truck guy. and i think i finally passed the lifted truck bug on to him. its unavoidable when my 90 K5 is towering over his 03 Avalanche which he thought was big. He wants to put some bigger meats on his rig, and he wants to know whats the biggest tire that will fit in that odd-shaped wheel well? And are there any computer problems that he'll run into other than speedo recallibration? Thanks a lot.

Nate /forums/images/graemlins/k5.gif
 

zcarczar

1/2 ton status
Joined
Feb 10, 2002
Posts
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Location
Apple Valley California
He can run a 285/75R17 with minor trimming on the plastic inner fender. He can also run a 265/75R17 I believe without trimming and he that size will also be in the computer so if he can take it to get the tire size reprogrammed. The 285 size is not in the computer and the only way to get it to work properly is to use an aftermarket programmer like a Hypertech to reprogram the computer.
 
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