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Anyone still looking for a UD pulley?

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  • #1

    Anyone still looking for a UD pulley?

    If someone is still looking for one of these, I found a site that makes them. 15% UD. seems most of the N/A pulleys make 8-10 wheel HP. http://www.aspracing.com/frame.htm
    search in street pulleys under smaller domestics. they only list for a beretta 3.1.
    Andy

    [SIGPIC][/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.:cheers:
    Tags: None
  • #2
    Will the beretta 3.1L UD work on the Grand AM GT. It is the same liter and bascially the same motor?

    Comment

    • #3
      Nope, because the 3x00 motors have a 24x sensor with a sensor ring on the pulley, and without it your idle will be very erratic and set a code.
      [URL="http://isaachayes.60degreev6.com/"][SIGPIC][/SIGPIC][/URL][SIZE=1][COLOR="RoyalBlue"][/COLOR][URL="http://isaachayes.60degreev6.com/z26/ss-todo.htm"][IMG]http://isaachayes.60degreev6.com/z26/signature1.jpg[/IMG][/url] [COLOR="#FF4000"]New 2010 project (click image)[/COLOR]
      1994 3100 BERETTA. 200,000+ miles
      [/SIZE] [SIZE=1]16.0 1/4 mile when stock. Now ???[/SIZE] [SIZE=1][U]
      Original L82 Longblock[/U] with LA1, LX9, LX5 parts
      Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

      [/SIZE]

      Comment

      • #4
        that pulley will work on my 91 3.1 cutlass right?
        [IMG]http://i200.photobucket.com/albums/aa72/mckinney16/My%20Car%20Exterior/asd3q.jpg[/IMG]

        Comment

        • #5
          yeah should work fine with any 3.1mpfi as they don't have the 24x sensor and ring.
          [URL="http://isaachayes.60degreev6.com/"][SIGPIC][/SIGPIC][/URL][SIZE=1][COLOR="RoyalBlue"][/COLOR][URL="http://isaachayes.60degreev6.com/z26/ss-todo.htm"][IMG]http://isaachayes.60degreev6.com/z26/signature1.jpg[/IMG][/url] [COLOR="#FF4000"]New 2010 project (click image)[/COLOR]
          1994 3100 BERETTA. 200,000+ miles
          [/SIZE] [SIZE=1]16.0 1/4 mile when stock. Now ???[/SIZE] [SIZE=1][U]
          Original L82 Longblock[/U] with LA1, LX9, LX5 parts
          Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

          [/SIZE]

          Comment

          • #6
            Junk. They are not a damper and will lead to premature engine wear and failure.

            You should never trade reliability for performance.
            1993 EXT. CAB, 3.4L V6 TBI, 5spd manual. Sonoma
            1990 4Door, 3.2L V6 TBI, 5spd manual. 4X4. Trooper
            Because... I am, [COLOR=darkblue]C[/COLOR][COLOR=darkred]A[/COLOR][COLOR=darkblue]N[/COLOR][COLOR=darkred]A[/COLOR][COLOR=darkblue]D[/COLOR][COLOR=darkred]I[/COLOR][COLOR=darkblue]A[/COLOR][COLOR=darkred]N[/COLOR]

            Comment

            • #7
              A guy on 2kmc has had his underdrive pulley on his car for 140,000 miles now. He's got no complaints at all.

              Comment

              • #8
                ahh yes! the damper no damper argument again. i've seen more and more people without a damper and having no problems. there is a guy that is using a non-damper UD pulley that's doing low 12's in the 1/4 (400+HP) and turns over 7000rpm. he inspects his bearings regularly and has seen no sign of any problems. i think maybe the newer cars don't need them as much as the older cars due to better material and design.

                Originally posted by Zero View Post
                Will the beretta 3.1L UD work on the Grand AM GT. It is the same liter and bascially the same motor?
                i don't see why not. you just have to take that 24X ring out of the original pulley and put it in the 3.1 UD. i did that with my 97 lumina 3100 and all was good. i used silicone sealer and put a few center punch divits to keep the ring in place. there was a problem with the aluminum getting hot and expanding enough to allow the ring to fall out.
                Last edited by torq455; 03-19-2007, 11:30 PM.
                Andy

                [SIGPIC][/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.:cheers:

                Comment

                • #9
                  i have a 96 3100, OBDII can i use this pulley, it says its for 88-95??
                  [IMG]http://i185.photobucket.com/albums/x219/jbrogan2007/60degreesig2.jpg[/IMG]
                  [COLOR="Red"][B]1996 Beretta[/B][/COLOR]
                  [FONT="Courier New"][I]3100 SFI TURBO
                  T28 60 Trim Turbo at 9psi, Stage 1 turbo cam mms, lifter upgrade springs mms, P&P heads, ls6 Valve Springs, Ported exhaust manifolds, Hyperuetectic pistons SP, 3.29 trani, MSD 8.5 wires, open exhaust, Pulstar plugs, 3400 intake manifolds, ported TB, 36 lb/hr injectors, RCI Fuel cell, Walbro 255 pump, A/C Bypass, and much more.
                  13.1 @ 103 mph best in the 1/4 mile[/I][/FONT]

                  Comment

                  • #10
                    yes you can, just transfer the 24X ring from the old pully as i stated above.
                    Andy

                    [SIGPIC][/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.:cheers:

                    Comment

                    • #11
                      kewl thanks
                      [IMG]http://i185.photobucket.com/albums/x219/jbrogan2007/60degreesig2.jpg[/IMG]
                      [COLOR="Red"][B]1996 Beretta[/B][/COLOR]
                      [FONT="Courier New"][I]3100 SFI TURBO
                      T28 60 Trim Turbo at 9psi, Stage 1 turbo cam mms, lifter upgrade springs mms, P&P heads, ls6 Valve Springs, Ported exhaust manifolds, Hyperuetectic pistons SP, 3.29 trani, MSD 8.5 wires, open exhaust, Pulstar plugs, 3400 intake manifolds, ported TB, 36 lb/hr injectors, RCI Fuel cell, Walbro 255 pump, A/C Bypass, and much more.
                      13.1 @ 103 mph best in the 1/4 mile[/I][/FONT]

                      Comment

                      • #12
                        do I need to buy the kit with both the udp and the alternator pulley? What do i do about the belt size?
                        [IMG]http://i185.photobucket.com/albums/x219/jbrogan2007/60degreesig2.jpg[/IMG]
                        [COLOR="Red"][B]1996 Beretta[/B][/COLOR]
                        [FONT="Courier New"][I]3100 SFI TURBO
                        T28 60 Trim Turbo at 9psi, Stage 1 turbo cam mms, lifter upgrade springs mms, P&P heads, ls6 Valve Springs, Ported exhaust manifolds, Hyperuetectic pistons SP, 3.29 trani, MSD 8.5 wires, open exhaust, Pulstar plugs, 3400 intake manifolds, ported TB, 36 lb/hr injectors, RCI Fuel cell, Walbro 255 pump, A/C Bypass, and much more.
                        13.1 @ 103 mph best in the 1/4 mile[/I][/FONT]

                        Comment

                        • #13
                          AFAIK, i know the underdrive pulleys for imports if not balanced or dampened will destroy the motor. I read that on the stealth's that a certain type of pulley was no good. Whereas the 60*V6 are internally balanced, I haven't seen anyone post that they screwed anything up. I believe it could lead to premature rod bearing wear causing a spin, but i'm not the 60* guru here so I'm just stating what i know.

                          Comment

                          • #14
                            i have just the crank pulley and used the stock belt. i was told that i would need a 1/4" shorter belt. that was so tight i couldn't get it on. haven't had any probs with the stocker.
                            Andy

                            [SIGPIC][/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.:cheers:

                            Comment

                            • #15
                              Alright
                              [IMG]http://i185.photobucket.com/albums/x219/jbrogan2007/60degreesig2.jpg[/IMG]
                              [COLOR="Red"][B]1996 Beretta[/B][/COLOR]
                              [FONT="Courier New"][I]3100 SFI TURBO
                              T28 60 Trim Turbo at 9psi, Stage 1 turbo cam mms, lifter upgrade springs mms, P&P heads, ls6 Valve Springs, Ported exhaust manifolds, Hyperuetectic pistons SP, 3.29 trani, MSD 8.5 wires, open exhaust, Pulstar plugs, 3400 intake manifolds, ported TB, 36 lb/hr injectors, RCI Fuel cell, Walbro 255 pump, A/C Bypass, and much more.
                              13.1 @ 103 mph best in the 1/4 mile[/I][/FONT]

                              Comment

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