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  1. #1
    The Red Reaper 98Z28importslayer's Avatar
    Join Date
    Feb 2008
    Location
    Spring hill, TN
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    210

    Red
    1998 Camaro Z28 T-Top A4

    Pro's of removing the EGR system on a 98 z28 ?

    just wondering what are the pro's (and con's if any ?) of removing the EGR system on a 98 z28 camaro (ls1)? any hp diffrence or anything ? i know the 2000-2002 camaros dont even have them ...

  2. #2
    The Bandit Wesman's Avatar
    Join Date
    Apr 2006
    Location
    NJ
    Posts
    4,031

    SGM
    1998 Trans Am WS6

    The pros are that is cleans up the engine bay, less wires and hoses going to the intake/exhaust and no EGR valve sitting on the side of the head. Thats about it, no performance gain. Oh yea, it does save a few pounds though.

    As for the cons, the purpose of the EGR is to cool cylinder temps and prevent the formation of NOx by adding exhaust gasses to the incoming intake air charge. Exhaust doesn't burn, so it has a cooling effect as it goes through the combustion chamber. However, the newer LS1 don't even have it due to a slightly different cam profile and LS6 intake, so I wasn't too worried about taking mine out.

  3. #3
    Member
    Join Date
    Sep 2007
    Location
    bay area
    Age
    39
    Posts
    197

    NBM
    1999 Hardtop Z28

    pros: like wesman said, cleans up ur engine bay, makes it easier to change ur plugs and wires

    cons: ru car wont pass smog

  4. #4
    Make real real sure Johns00Z28's Avatar
    Join Date
    May 2006
    Location
    Germantown, MD
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    46
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    2,404

    Black
    2000 Z-28

    Yeah I removed the EGR/AIR and saved probably 20lbs or so. Definitely cleans up the engine bay but don't think it adds any performance.

  5. #5
    Impounded
    Join Date
    Oct 2007
    Location
    Beaver Dam KY
    Posts
    7,745

    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    My EGR was stuck closed on my 98 and it was causing the converter to lock and unlock around 1500rpm. Cleaned up a lot and improved idle in mine.. buts thats a 98 with a ton of miles on it as well.

  6. #6
    Member
    Join Date
    Sep 2007
    Location
    bay area
    Age
    39
    Posts
    197

    NBM
    1999 Hardtop Z28

    98s ftw!!!!

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