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Old 09-04-2011, 08:56 AM   #21
matt1946's Avatar
Join Date: Aug 2011
Location: Williamstown NJ
Posts: 48
Towed my 2012 30.5 RLS with my 2008 Silverado HD 6.0 & was getting 11.2 on flatland

2012 Eagle Super Lite 30.5 RLS
2008 Silverado HD LTZ 6.0\Tow Package 3.79 Rear
16,000 lb Pull-Rite Slider
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Old 09-08-2011, 09:15 AM   #22
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Join Date: Sep 2010
Location: New York
Posts: 2,072
Most recent trip with mixed climbing mountains and stop and go traffic doing 65 with CC set 60% of the time I achieved 11.5 MPG. This was on my 03 6.0 F350 Dually towing 2011 365 BHS at about 13,750#.

I do have 4" turbo back exhaust with an edge tuner set at towing level 3.Cat is still intact. Running 1900 on avg but spikes to 2900 climbing those steep grades. Those two mods are definitely noticeable in fuel consumption and power increases. Figure payback is about 10,000 miles based on current price of fuel.


2014 375 BHFS Eagle Premier
2014 Ram 3500 Longhorn DRW CC
6.7 CTD, Aisin, 4.10's
Yamaha EF3000iSEB
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Old 09-08-2011, 02:56 PM   #23
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Join Date: Jun 2011
Location: Kalamazoo, West Michigan
Posts: 1,814
I spent the extra $750 and got the 3.5 liter v-6 in my new truck. 365 hp and 420 ft/lb torque. Tows like a small diesel and gets 17.5mpg in the city unloaded. The truck is rated to tow 11,300 lbs...probably a bit high for a half ton truck. I'd feel more comfortable keeping it below 8500 though.

As much fun as they are, I couldn't justify a 3/4 ton diesel for my application especially as the diesel is around $6k more.
2006 23B Hybrid with 10k round bar WDH
2011 F150 4x4 SCREW Ecoboost, Max Tow, Integrated TBC, 3.73 LS axle, Firestone Ride Rite airbags.
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Old 09-09-2011, 08:58 AM   #24
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Join Date: Jun 2010
Location: Saskatoon Sask Canada
Posts: 9,701
Towing I get 13 mpg (4000 mile round trip)
Solo I get 22 mpg..
but then I keep it at 60 mph

2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 765 watts of solar, 6-6 volt batteries (696 amp hour), 2000 watt (4000 surge) whole house inverter.
175 days boondocking in 2017
215/2016, 211/2015, 196/14, 247/13, 193/12

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