2007 Tahoe 20" Wheels

24 messages, Last post on Jul 26, 2009 at 5:24 PM

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#22 of 24 Upgrade from an 17" to 20" rim by christalry Feb 08, 2009 (8:00 am)
I am wanting to upgrade from the 17" OEM rim to the 20" OEM polished rim that GM offers. I keep getting different answers as to whether or not the computer reprogramming will take care of any potential problems I may have with the ABS, Speedometer and gas milage indicator. Each dealership I've called has given me a different answer and one basically said that it isn't worth it. It seems that if I were to get a 20" rim with a lower profile tire that the overall diameter would be the same. I just do not want any issues with ABS or to void any warranties. Any suggestions would be appreciated. Replies to this message: obyone (Jul 26, 2009 5:24 pm)
#23 of 24 by 73shark Feb 08, 2009 (4:44 pm)
If the OD of the 20" tire is within a couple of percent of the OD of the 17" tire, then the error is probably negligible. Not sure the same can be said of the extra mass and the ABS.
#24 of 24 Re: Upgrade from an 17" to 20" rim [christalry] by obyone Jul 26, 2009 (5:24 pm)
Replying to: christalry (Feb 08, 2009 8:00 am) The tire size you need with a 20" rim so that there is zero variance is 275/55R20