The Official Superchips Forum

i have a 2005 chevy silverado and i am going to be pulling a 3000 pound trailer. I need the best settings for fuel economy. I need all the settings which are shift points, shift pressure, fan setting, rev limiter, speed limiter. Not sure if i should use stock with options or tow setting. Please email me or instant message me back with a solution. Thank you very much for your time.

Gaining mileage while towing is very hard. We did not design the tow tune for economy, but with the extra power it will make it easier to tow. If you can keep you foot out of it you may gain mileage.

What motor is in the truck? 5.3?, 4.8?

I always recommend to start off with the SC (superchips) presets with the GM's.

Use the towing tune
SC for the shift points and firmness
Stock on the speed and rev limiter.
If the tires are not stock, measure them from the ground to the top of the tire within 1/4" increaments.

Where do you live? Hot climate? I would go with the SC setting for the fans.

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