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Silverado, Sierra & Fullsize Pick-ups The Silverado & Sierra have been two of the best selling trucks in the US for decades, and is truly proven to be "like a rock".

2014 Chevy Silverado
Platform: Truck, GMT 400, 800, & 900

3.42 GEARS

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Old Feb 23, 2008 | 6:21 AM
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silveradoman07's Avatar
silveradoman07
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Default 3.42 GEARS
my 07 silverado reg cab 4.8 has 3.42 gears according to glovebox codes.what the diff between this gear ratio & the 3.73 gear ratio?.t ruck also has k&n air kit,flowmaster 50 muffler.
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Old Feb 23, 2008 | 6:44 AM
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Default RE: 3.42 GEARS
truck also is 4wd with locking diff & 17in p265 70r tires.
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Old Feb 23, 2008 | 11:24 AM
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northey87
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Default RE: 3.42 GEARS
Basically, the 3.42 gears are like highway gears, 4.10 are more for towing, and 3.73 are in the middle giving you more power than 3.42's and a little better mpg than 4.10's.
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