MPG towing
Finally some trip experience to report:
1640 mile round trip from PHX to Petaluma and return towing a 2010 TM3326 using a 2004 Chev Suburban 1500 with WDH. Mileage calculated from odometer readings and gallons to fill tank. TV has factory towing package with four speed transmission and towing shift point over-ride function.
TV alone (not towing) highway mileage at 75 - 80 MPH = 15 MPG (AZ legal speed limit is 75 MPG).
TV Towing:
GCVW=11,100#
original 15" factory tire diameter
3.73 axle ratio
Travel to Petaluma from PHX at 60 - 65 MPH = 10.5 to 11 MPG (used shift point over-ride for entire leg of the trip).
Travel from Petaluma to PHX at 60 - 65 MPH = 12.5 to 13 MPG (used normal shift point settings for entire leg).
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Essie, Jerry and Lil' Bit the Mini Schnauzer-(now replaced by TWO Mini Schnauzers, Sassy and Schotzi)
2010 TM 3326 loaded for 3 day trip, 4955# GTW, 26 gal. water, 9.5 gal. LP, 530# Tongue Wt., 15" Dual Axle, TST Tire monitor, Hensley Cub Hitch
2004 Suburban 1500, 11,100# CGVW
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