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  1. Chevy Truck Talk & GM News
    I have a 96 suburban 2500 with the 7.4 or 454 , I redid the motor it now has 31k on it, headers,k&n intake an filter and a 90cm throttle body, Flowmaster. The lift is 9 inch the suspension is rancho the feet are 37" Firestone destinations.a Sony am fm cd 2500 watt system with subwoofer. All a...
  2. Chevy Suburban Forum (GMC Yukon XL)
    I have a 2001 suburban 2500 4x4 build with lift and big tires, I am considering lowing differential gear ratios, to maybe 4.56 with a 6.0 and 35 inch tires (has 3.73 now). I noticed the first gear in the 6 speed is much deeper and would be much peppier on the street and a lot better at off road...
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