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RE: [A/S] GM 454 motor
Mountain towing the mileage was around 8mpg. The average non-towing
mileage was around 11mpg. I had no real complaints with the hill
performance. Most of my towing was cruse control around 58mph. It
would take a long grade of more than a 6% grade to slow down below
55mph.
Dick Martin
2000 31' Limited - Sierra 2500HD Duramax
mailto:martin13@internetcds.com
http://home.cdsnet.net/~martin13