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6-Speed FWD Transaxle Specs

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  • 6-Speed FWD Transaxle Specs

    -Brad-
    89 Mustang : Future 60V6 Power
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    Follow the build -> http://www.3x00swap.com/index.php?page=mustang-blog

  • #2
    does anyone have any pics of the mt2?
    1996 beretta w/a 04' 3400 3.5 top end, 42.5lb hr, 180*thermo, t3t4 .63ar 60 trim, LC1 WB, FMIC, greddy rs BOV,TIAL 38mm wastegate,791xv,fidanza,stage III clutch,TG LSD,ffp udp,walbro 255 lph,strut tower brace,22 rear sway,30 front sway,92 5sp tranny,92 subframes,all solid mounts,kyb shocks and struts,eibachs,battery in trunk,tgp map sensor,DHP Powrtuner,euro front and rear and more to come soon...mods sitting in boxes waiting install....zo4 kit,GTU wing,and more..

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    • #3
      Pic

      I think GM calls it the MU9 nowadays....
      Attached Files

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      • #4
        F40 (mu9) Transmission

        2007 F40 (MU9) CHANGED from 2006 version alot... like the bolt pattern is now M6, and the EcoTec type 7 degree..





        2007 GME Germany F40 ( MU9 ) 04/04/06
        Type: transverse front wheel drive, six-speed manual transaxle
        Engine range: GM 3.9L V6 ( LZ9 )
        Maximum engine torque: 245 lb-ft ( 333 Nm)
        Maximum gearbox torque: 295 lb-ft ( 400 Nm )
        Gear ratios: MU9
        First: 3.769
        Second: 2.040
        Third: 1.365
        Fourth: 1.048
        Fifth: 0.846
        Sixth: 0.707
        Reverse: 3.538
        Final Drive Ratio: 3.55
        Maximum validated gross vehicle weight: 3527 lb ( 1600 kg )
        Case material: aluminum
        Center distance: 197 mm
        Fluid type: Castrol BOT 0063
        Transmission weight: wet: 56 kg ( 123.5 lb )
        Fluid capacity (approximate): 3.1L / 3.27 qt. ( dry )
        Power take off: no
        Applications: Pontiac G6

        2007 Model Year Summary

        General Motors Powertrain-Europe F40 six-speed manual car transaxle



        ● New Detent System For Quicker And Easier Shifting

        ● Gear Ratio Changes For Quicker Acceleration





        FULL DESCRIPTIONS OF NEW OR CHANGED FEATURES



        NEW DETENT SYSTEM FOR QUICKER AND EASIER SHIFTING

        The addition of a ball-and-spring-type detent on the shift sleeve and detents on the shift rail assists the driver in shifting quicker. The detent raises the force required to move the shift lever which prevents excess movement of the shifter by the driver, and reduces the chance of double bump. Tension between the shift sleeve and the shift rail also prevents the sleeve from vibrating while in gear.



        GEAR RATIO CHANGES FOR QUICKER ACCELERATION

        To adapt the F40 to North American applications and maximize performance, 3rd through 6th gears have been changed to higher-ratio gears. The ratio for 3rd gear is now 1.37:1, and the ratio for 4th gear is no longer an overdrive, with a new ratio of 1.05:1. The 5th gear ratio is 0.85:1 and the 6th gear ratio is 0.71:1.



        LOW MAINTENANCE



        The MT2/MU9 uses a Castrol Burmah (BOT 0063) manual transmission fluid, and is validated as "fill-for-life". No maintenance is required for normal operation.



        OVERVIEW



        Originally a design developed for Fiat, Opel and Saab applications, the F40 (MT2) is a GM Powertrain - Europe six-speed manual transaxle built in Russelsheim, Germany. Its first use in a North American application was the Pontiac G6 for the 2006 model year. It is also used in some Saab 9-3 and 9-5 models.



        It is a three-axis design, with first, second, fifth, and sixth gears on an output shaft behind and below the input shaft, and third and fourth gears are on an output shaft in front of and above the input shaft. Both output shaft pinions drive a helical gear with a conventional differential. The clutch is mounted on a dual-mass flywheel to dampen vibrations on whichever output shaft is idle depending upon which gear is selected.



        The F40 is cast in aluminum, and weighs 124 pounds (see specs). It has been certified for up to 400 Nm of engine torque.



        Triple-cone synchronizers are used on 1st and 2nd gears. These synchronizers have three friction surfaces, which increase their ability to transfer the flow of torque more smoothly from one gear to another. Synchronizers act as clutches to speed up or slow down the gearsets that are being shifted to, and greater friction area results in easier shifting for the driver. The 3rd, 4th, and reverse synchronizers are double-cone, while the 5th and 6th gear synchronizers are single-cone. All of the friction surfaces on the synchronizer rings are sintered bronze. The ratios in the 6-speed are widely spaced for versatile performance and efficiency.

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        • #5
          Any way to get a higher # axle ratio from the European versions of this tranny? The
          Dohc V6 need a greater axle ratio to run right, except the super/turbocharged version of
          the engine. The US version could use a 3.90/4.33 in there.

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