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    #1

    BP4W head benefits

    Can someone post some links to threads with quantifiable data supporting the bp4w head over a bp05?

    Thanks.
    Ian Boyd- Bellingham, WA (click vehicle to view)

    1988 BF GTX

    1990 x2 BG AWD Protege

    1991 Escort GT- SOLD

    1975 911 S Widebody 3.6 conversion

    2005 Corolla
    Tags: None
    #2
    How about a visual comparison?

    BP05 on top and BP4W on the bottom

    92 Mazda MX3 GS> For sale, $1750 OBO
    94 Escort wagon--BP swap coming, VF10 Turbo, COP, EVO ECU, 03 ZX2 front end conversion
    "Hold yourself accountable before you are held accountable"
    EV14 330cc@3Bar injector kits available.
    EV14 GT500 injector kits available for the BP. 610cc@3Bar.
    EV14 925cc@3Bar injector kits available
    BP Forged H beam rods available now
    KL Forged H beam rods available now
    K8/KF Forged H beam rods awaiting test fit
    FS Forged H beam rods     awaiting test fit
    F2 Forged H beam rods awaiting test fit
    FE3 Forged H beam rods coming soon
    Mitsubishi 3.8 MIVEC rods coming soon
    Aluminum CAS/Distributor caps
    BP oil jet eliminators
    EV14 fuel rail spacers
    More stuff coming soon.......

    Comment

      #3
      me likey....
      -Jack

      ONTARIO MAZDA CLUB! Join! https://www.facebook.com/groups/500055016671733/

      91 626 LX - basically stock and pretty slow still
      http://www.clubprotege.com/forum/sho...my-GD-626-LX-)

      01 E53 3.0i - FOR SALE! pm if interested

      91 USDM Protege LX - SOLD! turbo/manifold up for sale!
      http://www.clubprotege.com/forum/showthread.php?t=46606

      Comment

        #4
        How much is a BP4w head currently worth in good used condition, say from a 90K mile super well maintained Miata?
        Current:
        68 Torino GT Fastback
        86 MR2
        91 F150
        94 Escort Wagon BP swap
        99 Escort Wagon BP swap
        00 Miata LS
        08 Arrow AX8
        14 Mazda5

        Comment

          #5
          That picture is awesome! thanks! As far as going rate, they seem to move at around $400. I just picked one up with out a valve cover for $300 shipped though. Im shootin for big numbers so I hope it helps out.
          Ian Boyd- Bellingham, WA (click vehicle to view)

          1988 BF GTX

          1990 x2 BG AWD Protege

          1991 Escort GT- SOLD

          1975 911 S Widebody 3.6 conversion

          2005 Corolla

          Comment

            #6
            I'm looking for 1 haven't had much luck though.
            1988 Ford Festiva "Sonic" Blue b6t SVT , 13.8 at 103 mph

            1996 F-150 Straight 6 4.9l

            1993 Ford Lightning 5.8l Underdrive pullies, 15.2

            Comment

              #7
              Where ya looking? head over to miataturbo.net they pop up there fairly often.
              Ian Boyd- Bellingham, WA (click vehicle to view)

              1988 BF GTX

              1990 x2 BG AWD Protege

              1991 Escort GT- SOLD

              1975 911 S Widebody 3.6 conversion

              2005 Corolla

              Comment

                #8
                Mostly eBay and local. There is a miata place not too far away from me but couldn't come up with anything. It will come along. I'll check it out.
                1988 Ford Festiva "Sonic" Blue b6t SVT , 13.8 at 103 mph

                1996 F-150 Straight 6 4.9l

                1993 Ford Lightning 5.8l Underdrive pullies, 15.2

                Comment

                  #9
                  Wonder if a VVT head will fetch the same price as a BP4W head
                  92 Mazda MX3 GS> For sale, $1750 OBO
                  94 Escort wagon--BP swap coming, VF10 Turbo, COP, EVO ECU, 03 ZX2 front end conversion
                  "Hold yourself accountable before you are held accountable"
                  EV14 330cc@3Bar injector kits available.
                  EV14 GT500 injector kits available for the BP. 610cc@3Bar.
                  EV14 925cc@3Bar injector kits available
                  BP Forged H beam rods available now
                  KL Forged H beam rods available now
                  K8/KF Forged H beam rods awaiting test fit
                  FS Forged H beam rods                   awaiting test fit
                  F2 Forged H beam rods awaiting test fit
                  FE3 Forged H beam rods coming soon
                  Mitsubishi 3.8 MIVEC rods coming soon
                  Aluminum CAS/Distributor caps
                  BP oil jet eliminators
                  EV14 fuel rail spacers
                  More stuff coming soon.......

                  Comment

                    #10
                    Originally posted by 300zxrb26dett View Post
                    Wonder if a VVT head will fetch the same price as a BP4W head

                    Probably not... best bet if you want to try would be on ClubRoadster.

                    Comment

                      #11
                      Just was contemplating if buying that VVT engine and selling that complete head would be worth it.
                      92 Mazda MX3 GS> For sale, $1750 OBO
                      94 Escort wagon--BP swap coming, VF10 Turbo, COP, EVO ECU, 03 ZX2 front end conversion
                      "Hold yourself accountable before you are held accountable"
                      EV14 330cc@3Bar injector kits available.
                      EV14 GT500 injector kits available for the BP. 610cc@3Bar.
                      EV14 925cc@3Bar injector kits available
                      BP Forged H beam rods available now
                      KL Forged H beam rods available now
                      K8/KF Forged H beam rods awaiting test fit
                      FS Forged H beam rods                       awaiting test fit
                      F2 Forged H beam rods awaiting test fit
                      FE3 Forged H beam rods coming soon
                      Mitsubishi 3.8 MIVEC rods coming soon
                      Aluminum CAS/Distributor caps
                      BP oil jet eliminators
                      EV14 fuel rail spacers
                      More stuff coming soon.......

                      Comment

                        #12
                        Eventually I may sell my 4W head...
                        Current:
                        68 Torino GT Fastback
                        86 MR2
                        91 F150
                        94 Escort Wagon BP swap
                        99 Escort Wagon BP swap
                        00 Miata LS
                        08 Arrow AX8
                        14 Mazda5

                        Comment

                          #13
                          pretty good dea herr in my opinion

                          Superior NB parts for your inferior NA - Miata Turbo Forum - Boost cars, acquire cats.
                          http://www.miataturbo.net/miata-parts-sale-trade-5/superior-nb-parts-your-inferior-na-67937/
                          Miata parts for sale/trade - Superior NB parts for your inferior NA - 29412 Charleston area 99 head unknown miles $300+ shipping https://www.miataturbo.net/attachment.php?attachmentid=52680&dateline=1345506975 https://www.miataturbo.net/attachment.php?attachmentid=52667&dateline=1345506975...
                          Ian Boyd- Bellingham, WA (click vehicle to view)

                          1988 BF GTX

                          1990 x2 BG AWD Protege

                          1991 Escort GT- SOLD

                          1975 911 S Widebody 3.6 conversion

                          2005 Corolla

                          Comment

                            #14
                            Lol he might want to make a note that the alternator won't work on an NA.

                            Comment

                              #15
                              nice pic..
                              how much more flow do they have or a rough hp bump over the bpo5 head.
                              iirc u need to mod the intake
                              Last edited by ryan1; 08-24-2012, 01:33 AM.
                              5 boosted bp cars,why...

                              Comment

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