2003 Chevrolet Silverado 2500HD Consumer Review: Big Dog Motor Rocks
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2003 Chevrolet Silverado 2500HD - Consumer Review

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Performance
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Interior
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Build Quality
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Big Dog Motor Rocks
By Harpo on

Vehicle

2003 Chevrolet Silverado 2500HD 4dr Extended Cab LS Rwd SB (6.0L 8cyl 5M)

Review

I traded my 94 K2500, 6.5 diesel for the 8.1 vortex with the Allison tranny and all I can say is wow!!. The Big Dog Motor pulls my 5th wheel with no effort at all especially when it comes to climbing long......hills. Combined with the Allison tranny, this is the best power drive train that a RVer could dream for save for the Duramax. I get about 10.5 mpg when towing and 14 mpg when not which is not to bad with 4.10 gearing. My wife likes the quiet ride although it's little stiffer than the old truck (new truck has the camper package). The 03 exterior stying is Ok but a prefer the older 02.

Best Features

Power, Power, Power

Worst Features

Need a bigger gas tank option for the 8.1. A 26 gal tank is too small. A 40 plus gal center mounted would do the trick.
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