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  • #1

    3500's o2 sensors

    can they be used with obd1? i thought i read that that they had been changed or wouldnt work for some reason?

    i could look up the numbers on the few that i have from 3500's but i wont beable to get my hands on my sensors till weds, and thats when i need to fire up the car.

    can anyone advise?
    3500, 1280 cam and PR, ls6 valve springs, port and polished heads, ported lim, ported uim, 4.3 70mm tb, ported trueleo headers and y pipe ALL FOR SALE (minus the car)
    96 LT4 6spd corvette. 355, AI 215cc LT4 Comp CNC Heads, Prope SRS pistons, Ported intake, ARH long tubes, Corsa Indy Pace 4:10 gears
    2012 Chevy Sonic Turbo 6spd
    1970 M35A2 Deuce and a Half, Spin on filters, Turned up IP, HIDs, Flat Black, 11.00x20 singles.
    Tags: None
  • #2
    They are said to be non interchangeable with the older style heated o2's.
    Lifting my front wheels, one jack at a time.

    Comment

    • #3
      Yeah SuperDave was getting some weird readings with his and went back to 3400 one and was good after that.
      sigpic New 2010 project (click image)
      1994 3100 BERETTA. 200,000+ miles
       16.0 1/4 mile when stock. Now ???
      Original L82 Longblock       with LA1, LX9, LX5 parts
      Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

      Comment

      • #4
        I'll test that again this year, i was having alot of other issues with the car at the same time.

        Basically it would bounce in and out of closed loop constantly, it did it for a little while with the 3400 o2 as well then fixed itself.

        the plug is slightly different for the 3500's o2, you gotta cut a notch in the older 4 prong plug so that it'll fit in.
        Past Builds;
        1991 Z24, 3500/5 Spd. 275WHP/259WTQ 13.07@108 MPH
        1989 Camaro RS, ITB-3500/700R4. 263WHP/263WTQ 13.52@99.2 MPH
        Current Project;
        1972 Nova 12.73@105.7 MPH

        Comment

        • #5
          hmmmmmm!
          sigpic New 2010 project (click image)
          1994 3100 BERETTA. 200,000+ miles
           16.0 1/4 mile when stock. Now ???
          Original L82 Longblock           with LA1, LX9, LX5 parts
          Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

          Comment

          • #6
            okay, well ill try the older style....

            anyone have wiring diagrams for one? i need to get one on my fiero so i can datalog faster
            3500, 1280 cam and PR, ls6 valve springs, port and polished heads, ported lim, ported uim, 4.3 70mm tb, ported trueleo headers and y pipe ALL FOR SALE (minus the car)
            96 LT4 6spd corvette. 355, AI 215cc LT4 Comp CNC Heads, Prope SRS pistons, Ported intake, ARH long tubes, Corsa Indy Pace 4:10 gears
            2012 Chevy Sonic Turbo 6spd
            1970 M35A2 Deuce and a Half, Spin on filters, Turned up IP, HIDs, Flat Black, 11.00x20 singles.

            Comment

            • #7
              Originally posted by merlot566jka View Post
              okay, well ill try the older style....

              anyone have wiring diagrams for one? i need to get one on my fiero so i can datalog faster
              How-Tos
              http://www.v6z24.com/howto/o2heated
              How-Tos




              I have a sensor with pigtail if you're interested. http://60degreev6.com/forum/showthread.php?t=39720
              Lifting my front wheels, one jack at a time.

              Comment

              • #8
                The later model O2 sensor works fine for me. It will not if you don't have it connected properly. I tried with and without the heating element connected and it worked under both circumstances going into closed loop very quickly when powered up. Superdave has such a big cam that maybe the rich fueling condition he had early on cooled the sensor too much or maybe there was a bad connection because once my datalog showed closed loop it stayed that way with exhaust gasses from only 3 cylinders.

                Comment

                • #9
                  Originally posted by 1988GTU View Post
                  http://www.v6z24.com/howto/o2heated



                  I have a sensor with pigtail if you're interested. http://60degreev6.com/forum/showthread.php?t=39720

                  no thank you sir, lol, i work at an exhaust shop and have o2 sensors out the wazooo
                  3500, 1280 cam and PR, ls6 valve springs, port and polished heads, ported lim, ported uim, 4.3 70mm tb, ported trueleo headers and y pipe ALL FOR SALE (minus the car)
                  96 LT4 6spd corvette. 355, AI 215cc LT4 Comp CNC Heads, Prope SRS pistons, Ported intake, ARH long tubes, Corsa Indy Pace 4:10 gears
                  2012 Chevy Sonic Turbo 6spd
                  1970 M35A2 Deuce and a Half, Spin on filters, Turned up IP, HIDs, Flat Black, 11.00x20 singles.

                  Comment

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