with the Sierra Crew extreme towing package. It has the 6.2l, 6 speed and 3.73 locking rear. 151.1 miles on 14 gal of regular gas......10.8.........70-75 mph mixed 2 lane, interstate and pulling thru small towns. Hardly knew the boat was back there, I'm pleased so far. The 04 Sierra with 5.3, 4 speed and 3.42 rear gave 11.9 in similar traveling conditions.
Not to bad!! I get about 12.5 to 13 pulling my 20'6" Sprint with my 06 Dodge Hemi 4X4 Quad cab running about the same speeds and conditions as you are.
Wes Billings
FTC/SS USN Retired
I get 17-18 pulling a Skeeter 300 with a 6.0 Diesel Excursion. Can't really feel it back there other than pulling thourgh the mountains.
2018 Ranger RT188 SC Black/115 hp Yamaha SHO 4-stroke; Garmin LVS34/Ultrex Quest - SML
2018 Ranger RT188 DC Black/115 hp Merc Pro XS 4-stroke; Garmin LVS34 - Ontario
14' Mirrorcraft tin boat (ancient) with a 9.9 Mercury 4-stroke, no electronics; catches fish anyway
<table width="90%" cellspacing=0 cellpadding=0 align=center><tr><td>Quote, originally posted by Garfish »</td></tr><tr><td class="quote">with the Sierra Crew extreme towing package. It has the 6.2l, 6 speed and 3.73 locking rear. 151.1 miles on 14 gal of regular gas......10.8.........70-75 mph mixed 2 lane, interstate and pulling thru small towns.</td></tr></table>
Just curious, do you always use regular gas in your 6.2? My 2010 6.2 Sierra Denali calls for premium, but the computer will adjust the timing for anything including E85.
Mercury 200hp V6 DTS #2B590854
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