5.3 differences

Discussion in 'All Non F-body Tech' started by 4thand26, Feb 19, 2017.

  1. 4thand26

    Hi all! I am buying a vortec supercharge for my 2001 GMC. The part for the 2001 is discontinued so I am buying one for a 2004. The vehicle will be custom tuned anyway. For the life of me I can not find any difference between the 99-02 and 03-05. Does anyone know of anything I should be concerned with? Thanks!
     
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  2. Z28/Ken Staff Member Admin

    I don't know the answer myself, but if you don't get one here try over on superchargerforums.com. We've got a guy there that just about everything he does is related to supercharging LS engines for a shop he works for.
     
  3. 4thand26

    thanks. my mechanic, doesn't seem concerned about it
     
  4. 4thand26

    installed, runs awesome, 4x4 with mud tires making 319/349
     
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