Chevy has a long history with the Z71 name, but in the last several decades it has languished and never quite lived up to its potential. The Z71 trim offers uniquely tuned front and rear springs, specially tuned shocks, unique wheels and tires, and some extra skid plating. But the suspension is at stock height. The package does offer GM's G80 rear limited-slip differential that can fully lock (after a good amount of spin) in certain low-traction situations. GM also included a hill descent control feature, but that's only offered with the four-wheel-drive version (the Z71 trim can be ordered on two-wheel-drive Colorados). The low-range gear is 2.72:1, and the crawl ratio (multiply 1st gear by ring-and-pinion gear by low-range gear) is 37.8:1.
Sunday, May 17, 2015
2015 Chevy Colorado 4WD Z71 V-6: Off-Road
Chevy has a long history with the Z71 name, but in the last several decades it has languished and never quite lived up to its potential. The Z71 trim offers uniquely tuned front and rear springs, specially tuned shocks, unique wheels and tires, and some extra skid plating. But the suspension is at stock height. The package does offer GM's G80 rear limited-slip differential that can fully lock (after a good amount of spin) in certain low-traction situations. GM also included a hill descent control feature, but that's only offered with the four-wheel-drive version (the Z71 trim can be ordered on two-wheel-drive Colorados). The low-range gear is 2.72:1, and the crawl ratio (multiply 1st gear by ring-and-pinion gear by low-range gear) is 37.8:1.
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