Power mods on Sierra 1500 CC with 5.3L
I have an 04 GMC Sierra 1500 crew cab with the 5.3L engine and 3.42 gears. The previous owner added 20" wheels and tires and a flowmaster muffler, otherwise the truck is stock. My Outback 30BHQ is a...
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I hada 2002 Chev with 5.3, 3.73 and towed 7000-lb (loaded) 5vr. Wasn't a lot of fun, especially at high elevations or into headwinds.
Replaced 5with with a 9300-lb (loaded) 5vr and replaced truck with 2500 Chev, 8.1, 4.10. Towing was fun after that. Acceleration, no problem merging on interstate highway. Having the 4.10, I towed at 58-59 mph, just after o/d kicked in. Mpg's towing, avg 9.3 - about the same or slightly less than the 1500.
You're in 2500 territory, which screw around putting band-aids on your 1500?
Replaced 5with with a 9300-lb (loaded) 5vr and replaced truck with 2500 Chev, 8.1, 4.10. Towing was fun after that. Acceleration, no problem merging on interstate highway. Having the 4.10, I towed at 58-59 mph, just after o/d kicked in. Mpg's towing, avg 9.3 - about the same or slightly less than the 1500.
You're in 2500 territory, which screw around putting band-aids on your 1500?
