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Need some help, going to throw procharger P-1SC1 on 2007 silverado ext z71.

Discussion in 'Performance & Fuel' started by 1_SIK_SS, Jun 29, 2010.

  1. 1_SIK_SS

    1_SIK_SS New Member

    I need some help before I go to do this, its a buddy's silverado. He has a 2007 White Silverado ext. Z71 and has the 5.3L. So I have a few questions... What is the compression ratio on this motor? Also what should the compression ratio be for 10PSI? His purpose for the truck is weekend off roading and daily commuting, just looking for a bit of extra power.

    **EDIT**

    I forgot to mention its a 1500 GMT900
    Last edited: Jun 29, 2010
  2. dualdj1

    dualdj1 Rockstar 100 Posts

    is that the full kit with the innercooler?
  3. 1_SIK_SS

    1_SIK_SS New Member

    yes it is:D

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