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Thread: EGR Delete Pro's & Con's?

  1. #1
    Join Date
    Sep 2009
    Location
    NE Ohio
    Posts
    211

    EGR Delete Pro's & Con's?

    I would like to delete my EGR off my LQ4 because 1: its UGLY & 2: I want to get the Schoenfeld Headers and there is no EGR port in them. My buddy has an 02 Silverado and doing a tune up on it this past weekend I noticed that his never came with an EGR.

    So im looking for the pros and cons of keeping it and deleting it. I dont have visual inspection for emissions here in Ohio and I know I can get it deleted out of the computer.
    Been lurking since 09 and I finally have my kickass 6.0 LQ4
    LQ4 LQ9 6.0L Engine Service Manual Save to your computer in case it disappears


  2. #2
    Join Date
    Sep 2008
    Location
    Arizona/Utah
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    3,939
    Little bit of weight loss? I don't really see any cons if it is done correctly and you don't have emissions to worry about.
    ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06

    waiting to go in... 3.90s, 214/220cam

  3. #3
    Join Date
    Sep 2009
    Location
    NE Ohio
    Posts
    211
    Well I have emissions but no VISUAL inspection like some states have. I have been told that knock could be more pronounced. Cylinder temps would be higher. But with the right cam choice the temps would be ok.

    This truck is a DD and occasional track toy.
    Been lurking since 09 and I finally have my kickass 6.0 LQ4
    LQ4 LQ9 6.0L Engine Service Manual Save to your computer in case it disappears


  4. #4
    Join Date
    Nov 2008
    Posts
    283
    I believe you wouldn't pass emissions cause your HC would be too high, maybe NOX also.

  5. #5
    Join Date
    Jul 2008
    Location
    Mesa, AZ
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    5,979
    Mine passes just fine without EGR.
    T-RAV
    99 GMC | 5.3 | Skinny White Guy Tuned

  6. #6
    Join Date
    Nov 2008
    Posts
    283
    You removed yours? Or never came with one.

  7. #7
    Join Date
    Jul 2008
    Location
    Mesa, AZ
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    Removed it when I installed long tubes.
    T-RAV
    99 GMC | 5.3 | Skinny White Guy Tuned

  8. #8
    Join Date
    Jan 2012
    Location
    DFW, TEXAS
    Posts
    594
    Quote Originally Posted by 03whitez71 View Post
    You removed yours? Or never came with one.
    it will pass, they wont do a 'sniffer' test. just visual and scan for codes.

  9. #9
    Join Date
    Nov 2008
    Posts
    283
    O. OK I don't have emissions here but I have done 5 gas analysis test before.

  10. #10
    Join Date
    Sep 2009
    Location
    NE Ohio
    Posts
    211
    Quote Originally Posted by blacstar View Post
    it will pass, they wont do a 'sniffer' test. just visual and scan for codes.
    Exactly correct
    Been lurking since 09 and I finally have my kickass 6.0 LQ4
    LQ4 LQ9 6.0L Engine Service Manual Save to your computer in case it disappears


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