Quote:
Originally posted by HummBebe:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by shhrtbs:
that's about 6.3% change from OE to 33's, and 10% 33 to 35. even that's not completely right though, since your odometer is off. has anyone tried asking the dealers if they can change the chassis programming? i know on the H2 they only went up to 35" tires, but they may be able to help on the H3. worth asking.
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What? Am I dead to you???? No programs, no chips. </div></BLOCKQUOTE>
Not totally correct. There IS a program change.
I went from the OEM 32's to the Toyo 33's and the dealership couldn't call GM, because it was Saturday and GM is only open Mon - Fri.
My main reason I was at the dealer was to have my rocker protection installed.
I asked if any GM dealer could do the reprogramming of the computer and they said yes.
The Hummer dealer is over 3 hours away one way and I made an appointment with the local GMC dealer who called GM to get the codes to reset the mileage/odometer reading which also affects the ABS system. Charge was $105.00
Don't know if they can do anything for the 33 - 35 size change.