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Originally Posted by ctaylorzl1
assuming that the Silverado SS's 6-speed manual tranny had the same gear ratio's that the Z06 has. With a .56 OD gear then I'm sure that it will get low if not mid 20's! With that high of a OD gear the engine is all but at idle when crusing on the highway. I'm not sure of the rear end gears in the truck, and they may have changed the ratios in the tranny due to the weight of the truck as compaired to the Corvette, but I'm sure it could get the mest mileage out of all the Silverado models(which is ironic, due to the engine being the largest in size and hp)  |
As well, the Corvette is very aerodynamic. An SS Silverado would be similar to strapping a rocket to a brick.