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99 gmc 2500

Discussion in 'Chevy Trucks' started by JTS Landscaping & Lawn Service, Jan 11, 2007.

  1. i have a 99 gmc 2500 with 5.7 old style wondering what the horsepower and torque is on these trucks.
  2. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    In '99 the 5.7's were 255hp @ 4600 rpm and 330 ftlbs @ 2800 :)