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Cleaning Cats

This is a discussion on Cleaning Cats within the General Help forums, part of the LSx Technical Help Section category; I remember a couple years ago someone talking about putting something in your gas that cleaned the cats great , ...

  1. #1
    SamD_Ind
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    Cleaning Cats

    I remember a couple years ago someone talking about putting something in your gas that cleaned the cats great , but what came out the exhause was very nasty. Anyone remember what he was talking about?
    thanks in Advance
    Sam

  2. #2
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    Why do you want to clean them out? Are they clogged, not working, and/or throwing codes? Stock cats are covered for 10 years/120K under the extended GM warranty on the 00-02 LS1 F-cars.

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    Moderator Cutlass's Avatar
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    Quote Originally Posted by SamD_Ind View Post
    I remember a couple years ago someone talking about putting something in your gas that cleaned the cats great , but what came out the exhause was very nasty. Anyone remember what he was talking about?
    thanks in Advance
    Sam
    Hmmm....I don't think that even one bit possible.

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    Quote Originally Posted by Cutlass View Post
    Hmmm....I don't think that even one bit possible.
    he might be thinking about Seafoaming.

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    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
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    probably but thats not gonna clean a cat converter

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    The only thing I have ever used to successfully clean a catalytic converter was a crow bar and a hammer. It worked much better afterwards.

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    those left handed crow bars and hammer make a cat real shiny

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    What effect will taking the guts out of the cats have on the way the car runs.

  9. #9
    Senior Member JayTA98's Avatar
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    ok how do you strip the cats out? Do you have to cut the cat out and then strip it? and then weld it back?

  10. #10
    Member JRENIGAR's Avatar
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    ^^^ yes, draw a line on the pipe and cut in the middle so you can rotate it back like it was. Use a sawzall and butt the pipes back together and weld them without swelling one and it will be the same length it was before starting. Cut the pass side completely off and the drivers side in the back of the cat. Leave it attached to the front and just run a rod or screwdriver up in it and start the car to blow the dust out before welding the pipe back on. No driveability problems just a check engine light...

  11. #11
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    guts in cats

    If I take the guts out of the cats will the car run better, and will it sound different?

  12. #12
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    Quote Originally Posted by mytuneport View Post
    If I take the guts out of the cats will the car run better, and will it sound different?
    The exhaust will be more free flowing and it will have an impact on the sound. If your cats are plugging up it will definitely run better. The change in sound sound will really depend upon the rest of your exhaust system.

  13. #13
    Member JRENIGAR's Avatar
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    For a stock catback you can barely tell anything at half throttle and nothing at idle.

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    O U 8 1 2 Spaz's Avatar
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    Quote Originally Posted by mytuneport View Post
    If I take the guts out of the cats will the car run better, and will it sound different?
    it's going to run like shit unless you get your rear o2 sensors tuned out of get o2 sims put in...

  15. #15
    crazy ass white boy dennis ss's Avatar
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    I had my car fogged. I know it did wonders for the engine but cats im not sure. The best way to clean your cats is to remove them!!!! Seriously though cleaning the cats is pointless, if there clogged gm will cover it, you want performance them remove them and get a tune
    2002 Camaro SS/M6. Volant CAI, 80mm TB w/spacer, cat delete w/ ory, borla XR-1 w/ cme, custom tune, 3.73's, 8,000k HID headlights and foglights, 19" staggered ruff 278 wheels.

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