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  1. #1

    Default colorado v8 vs silverado v8

    Does anyone know if the colorado 5.3 is the same as the 5.3 in the silverado? does it make the same horsepower and torgue?

  2. #2

    Default

    The info I saw said the Colorado had 300hp. It has to be a screamer. Add a CAI, exhaust, tune and hang on.

  3. #3

    Default

    I would be happy to look into this for you. Is there a specific model year that you are considering?

    Tricia, GM Customer Service.

  4. #4

    Default

    The motors and engine ratings SHOULD be identical between the 2. The wheel horsepower and torque ratings may be different though. The only difference I could think of would be if they used a different intake, which I don't think is the case. All the other internal parts are identical.
    Christopher

    1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 200K miles
    2005 Saturn ION-2 Stock 265K miles
    1982 Bronco, 1993 Bronco (sold), 1971 M35A2 Deuce and a Half



    There are 10 kinds of people, those who understand binary, and those who dont...

    Remember kids, the only difference between screwing around and science is writing it down- Adam Savage

  5. #5

    Default

    I have a 2010 V8 w/5.3L LH9 300HP Colorado. From what I understand, it is " de-tuned " from the 325HP in the Siverado.


    2010 Z/71 Colorado C/C
    Black 4X4 w/5.3L V8
    ===============
    2007 Winnebago Adventurer
    w/8.1L Chevy & Allison 6spd.
    Canyon Lake, Texas

  6. #6

    Default

    As retired2001 said, I'm sure the computer is detuned. Thats a easy fix.

  7. #7
    Legend

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    Default

    the 5.3 same as in the Alpha H3 its a slightly detuned, which is odd considering the rearend is a better gearing then even the silverado (you can get 4.11 in the colorado), and considering the trailblazer SS has a 400hp 6.0 in it and that is the same platform as the colorado I havent been able to figure out what warrants the detuned 5.3, anyone??
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual
    285/75/16
    ___________________________
    Jason

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