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Thread: catalytic converter help

  1. #1
    Join Date
    Mar 2004
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    Fond du lac,WI
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    658

    catalytic converter help

    there now it is right. if i put a straight pipe where the converter is will it make my emitions black and stuff

  2. #2
    Join Date
    Sep 2003
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    79
    no, but if your car has to be tested for the emissions then it will fail.
    02 raptor

    01 lakota sport

    85/86 tri-z

  3. #3
    eh_tee_see's Avatar
    eh_tee_see is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Feb 2004
    Location
    Bristol Bay Alaska
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    295
    it will?? i swear that catylattic converter is useless, it is a concept that was later discarded after they realized it was useless right?
    The below sentence is TRUE.
    The above sentence is FALSE

  4. #4
    Join Date
    Mar 2003
    Location
    Barnesville,Ohio
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    2,298
    we were workin on a 95 s10 and the only place you could get one was from Gm and it was expensive. we just ran a striaght pipe thru where it should be.
    1985 Honda 350X - a lot of performance stuff, everything but a cam, hope to get one soon
    1984 Honda 200ES
    198? Yamaha YT60 Tri-Zinger
    TrikeFest '04 & '07 Survivor

  5. #5
    Join Date
    Jan 2004
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    216
    I took mine off my 89 truck and put a piece of "test pipe" in its place. I went to Speedy muffler and got a quote of upwards of $600 to replace my cat. Hell, $15 for the test pipe, some of my old man's muffler clamps, about 25 minutes to cut the old one off, and put the new one on, and we're good to go.
    96 Warrior - 90 Moto4 - 86 Big Red - 85 Yamahauler - 84 Yamahauler - 82 Big Red - 79 Trail 90

  6. #6
    Join Date
    Jan 2003
    Location
    Ashland City, TN
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    2,576
    I would get rid of my cat...unless it's a newer vehicle that has the O2 sensor in the cat....then you have to figure out other ways around that....
    Trikes:
    1973 Honda ATC70-orange!
    (2)1985 ATC70
    1985 Big Red 250
    1985 250R

  7. #7
    Join Date
    Mar 2004
    Location
    Fond du lac,WI
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    658
    my cat has a o2 sensor on it what if i unplug it???

  8. #8
    Join Date
    Dec 2002
    Location
    Harpursville NY
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    428
    what kind of car is it and what motor is in it

  9. #9
    Join Date
    Feb 2003
    Location
    Delano, CA
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    616
    Quote Originally Posted by atcpunk107
    what kind of car is it and what motor is in it
    I would like to know to!

    Warranty on emmisions stuff are 10 years 100,000 miles. So if your car qualifies take it to the dealer for free warranty work!
    1979 Honda 110 ATC, CEET gas tank cover, 25X11X9 rear tires
    1984 Honda 110 ATC, orignal blue plastics,
    1982 Yamaha 175 TRI-MOTO, 26MM Mikuni
    Honda US90 ATC, Collecting Dust
    2004 TRX450R

  10. #10
    Join Date
    Feb 2003
    Location
    Delano, CA
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    616
    Quote Originally Posted by yamahaman89
    my cat has a o2 sensor on it what if i unplug it???
    If it's carb. you could unplug it but you might have to unplug the ECM.
    If it's EFI leave it connected. If you disconnect the engine could run rich and loose MPG. Because I believe if the ECM doesn't detect the O2 sensor it goes into open loop and make the engine run rich. Or it could run lean and burn a piston and it's reuild time!
    1979 Honda 110 ATC, CEET gas tank cover, 25X11X9 rear tires
    1984 Honda 110 ATC, orignal blue plastics,
    1982 Yamaha 175 TRI-MOTO, 26MM Mikuni
    Honda US90 ATC, Collecting Dust
    2004 TRX450R

  11. #11
    Join Date
    Mar 2004
    Location
    Fond du lac,WI
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    658
    its a 95 chevy blazer S10

  12. #12
    Join Date
    Feb 2003
    Location
    Delano, CA
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    616
    You could run it without the cat but you'll have to drill a hole in the pipe and then weld a little nut or something for the O2 sensor to screw into.
    If you do this unplug the battery so the computer well have to learn motor again and your engine light should hopefully not turn on.

    You can go to S10forum.com and ask their.
    1979 Honda 110 ATC, CEET gas tank cover, 25X11X9 rear tires
    1984 Honda 110 ATC, orignal blue plastics,
    1982 Yamaha 175 TRI-MOTO, 26MM Mikuni
    Honda US90 ATC, Collecting Dust
    2004 TRX450R

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