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Thread: Emissions with cam?

  1. #1
    Join Date
    Sep 2013
    Posts
    1

    Emissions with cam?

    So with a mild cam, tune, 3K converter, and high flow cats will my truck pass a sniffer test? Any cams to look for that will pass and what to tell the tuner to pass?
    2002 Chevy K1500 5.3/4L60E

  2. #2
    Join Date
    Aug 2007
    Posts
    754
    Just get a good tune, it will pass.

  3. #3
    Join Date
    Sep 2008
    Location
    Arizona/Utah
    Posts
    3,939
    Where are you located? If restrictions are tight I would recommend keeping the duration under 224. Other than that you will need a great custom tune.
    ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06

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

  4. #4
    Join Date
    Aug 2007
    Location
    Honeywood, Ontario
    Posts
    6,994
    Magnaflow cats are your friend. Solid tune and you'll be fine.
    2006 Silverado
    Little Black Bitch

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