Towing up grades with "M" and 1 gears
So I have several coaches, but this will be my first attempt pulling a TT up a steeper mountain grade. I'm towing with a 1 ton Chevy express 3500. I'm a bit "confused" on just how to use this tra...
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No one I know tows using the M mode. Use the T/H button and leave it at that. If you want to tune it to get more perf and better shifting, then check out Black Bear Tuning. They specialize in tuning GM gas engines.
