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colorado v8 vs silverado v8

Discussion in 'General Chevy & GM Tech Questions' started by blk10chev, Apr 28, 2011.

  1. blk10chev

    blk10chev New Member

    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. silveradotrailblazer

    silveradotrailblazer Epic Member 5+ Years ROTM Winner 5000 Posts

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

    GM Customer Service Rockstar 4 Years 500 Posts

    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. Crawdaddy

    Crawdaddy Thread Killer Extraordinaire Staff Member 5+ Years 1000 Posts Platinum Contributor

    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.
  5. retired2001

    retired2001 Epic Member 5+ Years 5000 Posts

    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.
  6. silveradotrailblazer

    silveradotrailblazer Epic Member 5+ Years ROTM Winner 5000 Posts

    As retired2001 said, I'm sure the computer is detuned. Thats a easy fix.
  7. vncj96

    vncj96 Epic Member 5+ Years 1000 Posts

    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??

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