34 to go, that other board is killing me... - FirebirdV6.com/CamaroV6.com Message Board

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  • 34 to go, that other board is killing me...

    I am registered but I can't post. Those people have got it all wrong. Could you post this:

    There is no problems with the way my setup runs. I hard-wired the cold start valve for more fuel at WOT only! The cold start valve gets me more fuel and I know this cause I have an air/fuel ratio gauge. The computer will not try to lean out the mixture at WOT plus I am reprogramming the chip using TunerCat software to take care of many 'concerns'. Since the computer using 1 O2 sensor, I am confused as to how it would determine that one cylinder is rich will the other is not? The routing for the cold start runners goes straight down the middle of the intake feeding 5 and 6 first, then 3 and 4 and then 1 and 2. The size of the runners for the cold start valve regulates the amount of flow in each runner so an approxiately equal amount of fuel is delivered to each cylinder.
    I am not sure why anyone thinks that the motor was running lean. That's why I used the larger intake setup. Before it was burning way too rich. But when I installed the 350 TB, I also installed the injectors off of the same motor. Everything is fine now except that the MAF is sending too high of a signal since the bored/camed 3.4 sucks more air than the stock 2.8. That will be corrected in the programming.

    Could you please post this for me.
    Thanks,
    Jim

  • #2
    c/w

    ("complied with" for those who don't know)
    1978 Formula 461 in progress of being built :rock:
    2013 Ram 1500 Big Horn

    former owner of 85 bird w/ 2.8 - 3.4 - 3800 II - 5.0
    94 comero 3.4

    Comment


    • #3
      Thanks, now they understand. But please post this also:

      Look into the size of the csi runners. You will find that the 5 and 6 runners at the smallest while the 1 and 2 runners are the largest. This was done to help control the amount of fuel being delivered to each cylinder.
      Also, I think that I should point out that I removed a LOT of material from mating surfaces of the upper and lower plenums, especially in the area of the inside curve (the most restrictive part of the intake). The port has been moved over 1/4" from its original position and some material had to be added to the inner sides of the casting. The areas were then polished. Once I get my fiberglass cowl induction hood I will be installing ceramic spacers between the upper and lower plenums to help with the airflow problem. I will have to experiment with thicknesses. We do have a dyno at school so as soon as I can I will get the car on it since I am the most curious person as to what the car can really do.

      Thanks again,
      Jim

      Comment


      • #4
        c/w,


        hey, got any of those strut tower caps? I only have 1 since the other one melted off :(

        edit: or do they come free w/the bearing plates ;)

        [ January 23, 2004: Message edited by: 3.4 slow to go ]</p>
        1978 Formula 461 in progress of being built :rock:
        2013 Ram 1500 Big Horn

        former owner of 85 bird w/ 2.8 - 3.4 - 3800 II - 5.0
        94 comero 3.4

        Comment


        • #5
          They come with the bearing plates (and, yes for FREE!). :D

          Comment


          • #6
            Just one more favor,
            can you post the address for my website?

            http://67.104.247.214/jmb/firebird/home.htm

            Thanks,
            Jim

            Comment


            • #7
              done, I'm such a tool [img]tongue.gif[/img]

              edit: I see you're finally able to at least be seen browsing ;) [img]graemlins/thumbsup.gif[/img]

              [ January 24, 2004: Message edited by: 3.4 slow to go ]</p>
              1978 Formula 461 in progress of being built :rock:
              2013 Ram 1500 Big Horn

              former owner of 85 bird w/ 2.8 - 3.4 - 3800 II - 5.0
              94 comero 3.4

              Comment

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