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R code VAF and B code VAF what is the difference

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    R code VAF and B code VAF what is the difference

    So i know the R code VAF came with the GTR engine and the B code came with in the RX7

    But what exactly is different with the two

    I was told the B code VAF is what i need to do my GTR swap is this true?

    #2
    The B code is larger than the stock BP VAF and the same in size to the GTR VAF. This is why it is recommended to use an RX7 VAF when a hard to find GTR one is not available.

    Watch the AFRs when you drive and adjust the VAF if necessary.

    Comment


      #3
      OK so they are basically the same, Next question is how do you adjust the VAF. I've heard lots of people on these forums talking about this

      Comment


        #4
        Originally posted by rustybarnard440 View Post
        OK so they are basically the same, Next question is how do you adjust the VAF. I've heard lots of people on these forums talking about this
        Hit that little search button on the top of the screen and all your dreams will come true
        1993 Protege LX-Midnight's shadow SOLD
        1996 Honda CBR600-Wrecked. Damn Honda crippled me
        2002 mazda MPV-family truckster SOLD
        2010 VW routon

        Originally posted by jay
        .....they totally underestimated the number of gearheads such as myself that have families but refuse to grow the hell up and stop playing with cars, or that otherwise see the utility of having 4 doors. Obviously I ain't alone, as there are a helluva lotta sti and evo here. Bueler? Beuler? Mazda? Mazda?

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          #5
          I just looked this morning at my air flow meter (VAF) and its a Y code and then in smaller righting says BP26 What would this be out of? As well i got a ECU that says BP26? Any ideas

          Comment


            #6
            Originally posted by rustybarnard440 View Post
            I just looked this morning at my air flow meter (VAF) and its a Y code and then in smaller righting says BP26 What would this be out of? As well i got a ECU that says BP26? Any ideas
            Bp26 ecu=GTX
            Y code afm=GTX
            1993 Protege LX-Midnight's shadow SOLD
            1996 Honda CBR600-Wrecked. Damn Honda crippled me
            2002 mazda MPV-family truckster SOLD
            2010 VW routon

            Originally posted by jay
            .....they totally underestimated the number of gearheads such as myself that have families but refuse to grow the hell up and stop playing with cars, or that otherwise see the utility of having 4 doors. Obviously I ain't alone, as there are a helluva lotta sti and evo here. Bueler? Beuler? Mazda? Mazda?

            Comment


              #7
              ill trade you my rx7 afm for ur gtx if u want
              http://www.wihandyman.com/forum/showthread.php?t=47653

              my fs thread

              Comment


                #8
                Can someone confirm that the R, Y, B code air flow meters are physically the same size just calibrated different? Which can be adjusted if needed to meet my engine needs?

                Comment


                  #9
                  its also 3 different boards, with 3 different sweeps/readings... the cases may very well be the same tho...
                  92 protege lx-

                  94 protege lx-

                  95 escort gt-ms2e/ms2extra pre3.3alpha5 gslender v2.8-e85-vj23@12lbs----dead--

                  are you a thinker, or a believer?

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