GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

who won the gift cert?

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Old Jan 8, 2005 | 02:25 PM
  #21  
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I think I'm going to go with the underdrive crank and overdrive alt kit, how much better gas mileage should I get?? THANKS!!
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Old Jan 9, 2005 | 10:01 AM
  #22  
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Why does the crank bolt need to be changed?? Just curious, same reason as head bolts?? Is the pulley larger or smaller in diameter than stock?
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