On my recent trip to race in Baja, my trans started to slip on my way from Chicago to San Felipe. I made it to Las Vegas where I planned to have a dealership fix or replace the trans. I had purchased a factory GM replacement trans less than six months ago. I had two trips from Chicago to San Diego on the trans. The factory is saying that they won't honor the warranty because I have "big tires and a lift kit". The tires are the same ones that are on an H2 Hummer. 315/70/16 and my lift kit is a total of six inches. The dealer in Las Vegas is quoting me $3700.00 to replace the trans with no warranty, of course. If this didn't happen to me personally, I wouldn't believe it. The dealership is Bill Heard Chevy. Does anybody know someone that works there or a good trans shop in Las Vegas.