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Can 4wd BG gtx trans can hold some power????

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    Can 4wd BG gtx trans can hold some power????

    So i was working on mie car since novembe 2006, its running now,just got a wideband was driving from work today 1.5bar boost around 11.5A/F car is sick nice top end hit like 130 mph..... al the good things. 2 blocks before i got to mine house i stop a a STOP sign and no one is coming,revded to around 4k and let the clutch.......BAMMMMM ........CLUNK........CLUNK and i roled home.So this is mine question is something weird that happen to mine car or car is just good for car with 105HP? I know i see people run some good hp number on 4wd protege's, any one has any problems like that? Car drives but it clunks about 1 wheel rotation,no fluid leaks any ideas? I drive talons,eclipses,and wrx,evos, and im sure i did same take off with those cars but nothing happen.
    Last edited by TURBO1G; 03-17-2008, 07:27 PM.
    http://hometown.aol.com/d2maz/index.html
    )
    91 PROTEGE 4WD BPT RUNNING WOW TRACTION WITH 1.5 BAR(sold)
    97 ECLIPSE GST SPYDER (K&N ,BCS MOD, GREDDY FMIC) new toy(sold)
    99 PASSAT GLX V6 (OEM E spec navi, wife's car)
    2006 JETTA TDI DSG 50 mpg(sold)
    2006 EVO GSR
    FIXING VW's for past 10 years

    #2
    Lol, let's just say that an Evo gearbox is nothing like a Mazda ....

    Comment


      #3
      i know but i just wonder if any one had simmilar thing happen to them.
      http://hometown.aol.com/d2maz/index.html
      )
      91 PROTEGE 4WD BPT RUNNING WOW TRACTION WITH 1.5 BAR(sold)
      97 ECLIPSE GST SPYDER (K&N ,BCS MOD, GREDDY FMIC) new toy(sold)
      99 PASSAT GLX V6 (OEM E spec navi, wife's car)
      2006 JETTA TDI DSG 50 mpg(sold)
      2006 EVO GSR
      FIXING VW's for past 10 years

      Comment


        #4
        evo... from the factory with 300 hp

        protege... from the factory with 100

        the 4wd pro is not even remotely in the same class as the evo, so the comparison is pointless/

        a 4wd is just not made to handle clutch drops gtx/gtr/usdm... period... its just not strong enough, thats emense amounts of stress, get a good clutch and slip your clutch before you try to slip your tires... NEVER dump the clutch, just ride it out of first if need be.
        There are no stupid questions, just stupid people.

        Comment


          #5
          i just hope its a transfer case part so i can swap it.
          http://hometown.aol.com/d2maz/index.html
          )
          91 PROTEGE 4WD BPT RUNNING WOW TRACTION WITH 1.5 BAR(sold)
          97 ECLIPSE GST SPYDER (K&N ,BCS MOD, GREDDY FMIC) new toy(sold)
          99 PASSAT GLX V6 (OEM E spec navi, wife's car)
          2006 JETTA TDI DSG 50 mpg(sold)
          2006 EVO GSR
          FIXING VW's for past 10 years

          Comment


            #6
            Originally posted by FazdaBoy4ever View Post
            evo... from the factory with 300 hp

            protege... from the factory with 100

            the 4wd pro is not even remotely in the same class as the evo, so the comparison is pointless/

            a 4wd is just not made to handle clutch drops gtx/gtr/usdm... period... its just not strong enough, thats emense amounts of stress, get a good clutch and slip your clutch before you try to slip your tires... NEVER dump the clutch, just ride it out of first if need be.
            gtr from factory had 225 and evo has 275 so not that big difference. Im not trying to say that it 4wd should hold same power.
            http://hometown.aol.com/d2maz/index.html
            )
            91 PROTEGE 4WD BPT RUNNING WOW TRACTION WITH 1.5 BAR(sold)
            97 ECLIPSE GST SPYDER (K&N ,BCS MOD, GREDDY FMIC) new toy(sold)
            99 PASSAT GLX V6 (OEM E spec navi, wife's car)
            2006 JETTA TDI DSG 50 mpg(sold)
            2006 EVO GSR
            FIXING VW's for past 10 years

            Comment


              #7
              I never dump the clutch on pavement. The rallycar gets launched at every stage start but that's on gravel and even then it's not a dump, more of a sliplaunch. There's a bit of a technique to launching awd on gravel if you ain't got launch control...
              The BPT trans isn't as weak as the BF one, but it's no Toyota box or an xtrac. I find it hard to believe that stock 100 hp would break one though, even with a 4krpm clutch dump. You may have just gotten "lucky", with a trans that's been abused and not maintained. Fresh gearlube, of the redline mtl/heavy shockproof or better yet torco GL 6 rated variety will help your next trans live longer, as will being mechanically sympathetic to it.
              '90 AWD Protege, full GTR drivetrain swap, ~320 whp daily driver, RIP, and
              '90 AWD Protege, yet another GTR swap, Open class rallycar with a Toyota GT4 gearbox swap, thus crossing the line between hobby and mental illness. And a Brabus E55 K8, removing all doubt.
              http://www.wihandyman.com/forum/vbpi...?do=view&g=110
              http://www.cardomain.com/ride/2599486

              Comment


                #8
                Originally posted by jay View Post
                I never dump the clutch on pavement. The rallycar gets launched at every stage start but that's on gravel and even then it's not a dump, more of a sliplaunch. There's a bit of a technique to launching awd on gravel if you ain't got launch control...
                The BPT trans isn't as weak as the BF one, but it's no Toyota box or an xtrac. I find it hard to believe that stock 100 hp would break one though, even with a 4krpm clutch dump. You may have just gotten "lucky", with a trans that's been abused and not maintained. Fresh gearlube, of the redline mtl/heavy shockproof or better yet torco GL 6 rated variety will help your next trans live longer, as will being mechanically sympathetic to it.
                Did you brake anything on your trans,mine has a same symptons when i shaved spider gear on mine fwd trans .
                http://hometown.aol.com/d2maz/index.html
                )
                91 PROTEGE 4WD BPT RUNNING WOW TRACTION WITH 1.5 BAR(sold)
                97 ECLIPSE GST SPYDER (K&N ,BCS MOD, GREDDY FMIC) new toy(sold)
                99 PASSAT GLX V6 (OEM E spec navi, wife's car)
                2006 JETTA TDI DSG 50 mpg(sold)
                2006 EVO GSR
                FIXING VW's for past 10 years

                Comment


                  #9
                  I tore the teeth off 2nd gear once. That's the only bpt trans I've busted. I put that one down as getting lucky, I was on the damn street at the time just rowing through the gears, grabbed 2nd and floored it, got up to around 5 grand and BANG that's all she wrote.
                  '90 AWD Protege, full GTR drivetrain swap, ~320 whp daily driver, RIP, and
                  '90 AWD Protege, yet another GTR swap, Open class rallycar with a Toyota GT4 gearbox swap, thus crossing the line between hobby and mental illness. And a Brabus E55 K8, removing all doubt.
                  http://www.wihandyman.com/forum/vbpi...?do=view&g=110
                  http://www.cardomain.com/ride/2599486

                  Comment


                    #10
                    Originally posted by jay View Post
                    I tore the teeth off 2nd gear once. That's the only bpt trans I've busted. I put that one down as getting lucky, I was on the damn street at the time just rowing through the gears, grabbed 2nd and floored it, got up to around 5 grand and BANG that's all she wrote.
                    Do you think i can pull the transfer case out witout taking the trans out? I drained oil and looked silver color.
                    http://hometown.aol.com/d2maz/index.html
                    )
                    91 PROTEGE 4WD BPT RUNNING WOW TRACTION WITH 1.5 BAR(sold)
                    97 ECLIPSE GST SPYDER (K&N ,BCS MOD, GREDDY FMIC) new toy(sold)
                    99 PASSAT GLX V6 (OEM E spec navi, wife's car)
                    2006 JETTA TDI DSG 50 mpg(sold)
                    2006 EVO GSR
                    FIXING VW's for past 10 years

                    Comment


                      #11
                      no the evo is RATED at 300 and the GTR is RATED at 210... all these 300 hp dyno pulls on gtr's is because no one ever does a "stock" swap, no one EVER just gets a complete front clip and swaps every little stock part to make it look like it rolled off a mazda lot like that... they do exhaust, intercooler, more boost, standalone managment... plus they are all on fwd's with less drivetrain loss... so the evos 270 they put to the wheels is still a long way aways from the gtr's 180.

                      reguardless, these things are not built like a tank, so dont treat them like one and they will take care of you
                      There are no stupid questions, just stupid people.

                      Comment


                        #12
                        You're best off replacing the whole thing. If it's just the centerdiff that failed, you could conceivable just change that out, but more than likely looking at something on the main cluster shaft. All that silver stuff has degraded every other internal part in there. When you put the new-to-you one in, flush it out real good first...
                        '90 AWD Protege, full GTR drivetrain swap, ~320 whp daily driver, RIP, and
                        '90 AWD Protege, yet another GTR swap, Open class rallycar with a Toyota GT4 gearbox swap, thus crossing the line between hobby and mental illness. And a Brabus E55 K8, removing all doubt.
                        http://www.wihandyman.com/forum/vbpi...?do=view&g=110
                        http://www.cardomain.com/ride/2599486

                        Comment


                          #13
                          It could just be the carrier on the back of the tranny.

                          But, I kinda think it would have given you some advance warning.

                          I'm told the other major weakness with these gearboxes is the strength of the case where it holds the bearings on either end of the two shafts with all the gears on.

                          When a lot of power is applied... the gears climb upwards bending and breaking the shafts and or tearing the bearings from the case. The UK/OZ guys have thick steel plates they put inside the case to help strengthen them.

                          You can use a St185 celica alltrac tranny and rear end.
                          Also seen Evo trannys in the GTX.

                          Take this for what it's worth. I haven't broken a BPT tranny. I'm running a factory gearbox in my car and It doesn't break because I don't drive the living daylights out of the car and realize that AWD systems like to rip themselves apart if the wheels can't slip. These AWD systems were never made for clutch dumps on Tarmac. They were made to aid in grip in situations where there is a loss of coefficient of friction on the road surface.
                          Ever take a peek under the car and look at the size of the CV axles? How bout the Rear Diff? Or the carrier on the gearbox. It's barely bigger than lawnmower grade ****. What the hell would give you the idea to clutch dump the car from a standstill @ peak torque?

                          If you want the gearbox to last. Don't go holeshotting the car on pavement and don't powershift the gears.

                          Comment


                            #14
                            Oh yeah....

                            And don't listen to Jay for encouragement!!!

                            He's a Freakin' MADMAN! and an exception to every rule.

                            Comment


                              #15
                              i found transfer ring and pinion that have coulpe missing teeth.how i can tell gtx trans from gtr when i have apart?
                              http://hometown.aol.com/d2maz/index.html
                              )
                              91 PROTEGE 4WD BPT RUNNING WOW TRACTION WITH 1.5 BAR(sold)
                              97 ECLIPSE GST SPYDER (K&N ,BCS MOD, GREDDY FMIC) new toy(sold)
                              99 PASSAT GLX V6 (OEM E spec navi, wife's car)
                              2006 JETTA TDI DSG 50 mpg(sold)
                              2006 EVO GSR
                              FIXING VW's for past 10 years

                              Comment

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