1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

running 2 cats

Discussion in 'General Tech and Maintenance' started by 95preludetypes, Sep 17, 2003.

  1. 95preludetypes

    95preludetypes Member

    Messages:
    102
    Likes Received:
    0
    Joined:
    Sep 16, 2003
    I have a 95 prelude is it aginst the law to run dual cats
     
  2. brc80

    brc80 Senior Member

    Messages:
    1,613
    Likes Received:
    1
    Joined:
    Nov 9, 2002
    Location:
    Southern California
    Dual cats?
     
  3. 95preludetypes

    95preludetypes Member

    Messages:
    102
    Likes Received:
    0
    Joined:
    Sep 16, 2003
    have 2 cats after the header instead of 1
     
  4. dohcvtec_accord

    dohcvtec_accord WRX Sellout

    Messages:
    8,433
    Likes Received:
    1
    Joined:
    Sep 29, 2002
    Location:
    The left lane
  5. kingwilly

    kingwilly Senior Member

    Messages:
    349
    Likes Received:
    0
    Joined:
    Mar 10, 2003
    Location:
    arizona
    lol...whats the point?
     
  6. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

    Messages:
    28,465
    Likes Received:
    228
    Joined:
    Sep 30, 2002
    Location:
    Dallas / Fort Worth, TX
    You probably could, but if your first cat is doing its job, the second one is useless.
     
  7. kingwilly

    kingwilly Senior Member

    Messages:
    349
    Likes Received:
    0
    Joined:
    Mar 10, 2003
    Location:
    arizona
    its not against the law bro..the question is why? are you one of those environment freaks...whatever its all good next topic please
     
  8. 95preludetypes

    95preludetypes Member

    Messages:
    102
    Likes Received:
    0
    Joined:
    Sep 16, 2003
    im at 3660 and i need to be at 756 on the Nox level so i need all the help i can get
     
  9. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

    Messages:
    28,465
    Likes Received:
    228
    Joined:
    Sep 30, 2002
    Location:
    Dallas / Fort Worth, TX
    Then replace your dead cat, don't splice a new one in behind it.
     
  10. MaaseyRacer

    MaaseyRacer Senior Member

    Messages:
    2,980
    Likes Received:
    0
    Joined:
    Sep 29, 2002
    Location:
    San Francisco, Ca.
    yeah man you have to have a dead cat to get numbers that high. try replacing your PCV valve while you are at it. Clean your throtle plate, replace your rotor, cap, plugs, and wires while you are at it too.
     
  11. kingwilly

    kingwilly Senior Member

    Messages:
    349
    Likes Received:
    0
    Joined:
    Mar 10, 2003
    Location:
    arizona
    you can throw in some kind of fuel additive that will clean up your exhaust i think,other than that a good tune-up with maybe new o2 sensors if you need it
     
  12. Jim Truett

    Jim Truett Senior Member

    Messages:
    114
    Likes Received:
    0
    Joined:
    Jul 11, 2003

    Combustion temperature is too high, you have serious buildup in the engine, or the cat you have now is dead. Replace it and re-test
     
  13. JDMilan

    JDMilan Senior Member

    Messages:
    6,730
    Likes Received:
    0
    Joined:
    May 11, 2003
    Location:
    Boca Raton, FL
    or pay that special place to pass you.. :ph34r:
     
  14. 95preludetypes

    95preludetypes Member

    Messages:
    102
    Likes Received:
    0
    Joined:
    Sep 16, 2003
    thank you very much for all you hep im going to buy a new ca and check my valve i will also run a cleaner in my motor what kind do you guys suggest
     
  15. pissedoffsol

    pissedoffsol RETIRED

    Messages:
    49,693
    Likes Received:
    53
    Joined:
    Sep 28, 2002
    Location:
    Retirement Home
    actually, it is illegal, at least here. you can only have a cat in "the stock location"

    adding another one is not legal
     
  16. Sed8ed

    Sed8ed New Member

    Messages:
    136
    Likes Received:
    0
    Joined:
    Sep 29, 2002
    Location:
    Vancouver B.C.
    My ex's car (dodge aries) had nox of 2700, I checked the vacuum lines and found there was no vacuum to the ERG valve... after unplugging the hole in the tb that was clogged, nox dropped to 327ppm. I'm not sure what the equivalent part is on the h-series but that could be one of your problems
     
Verification:
Draft saved Draft deleted

Share This Page