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  • New underdrive pulleys

    Finally someone has started making these again. Just in case someone didn't know about these guys. Thought I'd share.
    Andy

    sigpic

    fastest 1/8: 10.19@ 67.17
    fastest 1/4: 16.16@ 82.70

    62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.

  • #2
    Cool. I'll probably get this and their alt pulley as soon as I get a few other little projects out of the way. Nice Z24 by the way.

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    • #3
      oh! thanks! i'm going to try to get a better picture and repost it.
      Andy

      sigpic

      fastest 1/8: 10.19@ 67.17
      fastest 1/4: 16.16@ 82.70

      62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.

      Comment


      • #4
        Great you guys overloaded their store, now the site won't work

        It says that it will work with the 24x trigger, however I do not see anything in the pulley that would trigger the sensor?
        SpudFiles
        Blast vegetables and whatever else you can think of!
        Theopia
        Enjoy life online.

        1996 3500GP Coupe, "Bright White".
        3500 swap, 60degreeV6 1393 Cam, Ported Intakes, Comp Cams Valve Springs, 65mm TB, Custom Pushrods, S&S Headers, 97 PCM with DHP Powrtuner, 2.5" back to dual Hooker Aerochambers, SS Brake Lines, Addco swaybar, KYB's, Intrax Springs, STB's, etc!

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        • #5
          i think it's liek the FFP pulley was, pull the ring out of the stock pulley and put it in the UDP. the very first batch they made was 2.8/3.1 only, but from now on all of them are gonna be 2.8/3.1/3x00 compatible

          i was supposed to be in on the group purchase but then i had to buy another motor, damnit.....

          Cammed 3400 --> 224whp 210wtq
          Cammed 3500 --> ???
          1 of 5 3500 J-Bodies

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          • #6
            Ive got the crank pulley on its way to my house right now. I bought it on monday. When it gets here i'll install it and do a little review.
            2006 AWD TBSS 12.538 @ 106.92 1.66 60' Bolt-ons only

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            • #7
              yeah that pulley is compatible with all 660's. however, you will have to transfer the 24X ring from the stock pulley to the underdrive.
              Andy

              sigpic

              fastest 1/8: 10.19@ 67.17
              fastest 1/4: 16.16@ 82.70

              62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.

              Comment


              • #8
                Alternator pulley...coming soon
                Originally posted by wozxx...{is 92 mph in a school zone illegal?}
                I was going relatively fast thru a school zone and was caught. However, I managed to zip into a neighborhood and evade the cop. Could I get additional tickets by trying to run?

                Comment


                • #9
                  Originally posted by silvergtjrad View Post
                  Ive got the crank pulley on its way to my house right now. I bought it on monday. When it gets here i'll install it and do a little review.
                  Looking forward to it. Are you going to get the alternator pulley as well?

                  Comment


                  • #10
                    i have both the UPD and the Alt pully on the way..MRZ is a great place..custom make alot shit..hes on here somewhere i think so he should be chiming in soon on this
                    1994 Chevy Corsica. Parted out. Just a rotting shell now
                    Best 1/4mile ET - 12.9
                    Best 1/4mile MPH - 111
                    1997 Ford Ranger Splash
                    Daily Driver

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                    • #11
                      Originally posted by garylau View Post
                      Looking forward to it. Are you going to get the alternator pulley as well?
                      Ive got a ZZP underdrive pulley on my alt. already, so no.
                      2006 AWD TBSS 12.538 @ 106.92 1.66 60' Bolt-ons only

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                      • #12
                        MRZ has been around for a while now. You guys need to get out more often.

                        Lifting my front wheels, one jack at a time.

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                        • #13
                          mrz has been around J and L body communities but not N and W bodies.
                          Ben
                          60DegreeV6.com
                          WOT-Tech.com

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                          • #14
                            I already have 2 ffp UDP pulleys. I ordered their alt pulley 2 days ago and a mobil 1 oil cap today
                            Corey's 95 GP - Engine/Trans installed
                            02 GTP - 90* > Failboat
                            www.blackbombshell95.com

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                            • #15
                              MRZ knows what bodies to start with.
                              Lifting my front wheels, one jack at a time.

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