Page 1 of 3 123 LastLast
Results 1 to 25 of 70

Thread: Article: Mercedes 722.9 (7G) automatic transmission upgrades available from Weistec Engineering - Valve body, TCU, Torque Converter

              
   
  1. #1
    Join Date
    Mar 2011
    Location
    Naperville, IL
    Posts
    2,734
    Rep Points
    229.6
    Mentioned
    120 Post(s)
    Rep Power
    3


    1 out of 1 members liked this post. Reputation: Yes | No

    Weistec 7G Trans Upgrades

    I saw ths on Weistecs Facebook page earlier. Suprised its not been mentioned on any of the boards yet.

    http://www.weistec.com/7229.html
    Click here to enlarge

    1000+WHP WEISTEC 2008 CLK63 Black Series
    790WHP WEISTEC 2012 C63 Black Series
    725WHP WEISTEC 2014 SLS Black Series

  2. #ADS

  3. #2
    Join Date
    Apr 2011
    Location
    New Jersey
    Posts
    504
    Rep Points
    841.3
    Mentioned
    3 Post(s)
    Rep Power
    9


    Reputation: Yes | No
    Finally! Kudos to WeistecClick here to enlarge

    This is great news.

    Thanks for the link.
    2012 CTS V - Sedan - 6AT

    Stage 1 Mods:
    - 2.5 upper pulley with ported snout/throttlebody
    - Fluidyne HX
    - AirAid CAI w/green filter
    - ID850 injectors
    - 160 thermostat

    Stage 2 Mods:
    - American Racing Headers w/X-pipe
    - 9.1 Lower Pulley
    - Tune Time Custom Cam
    - Moroso Dual Catch Cans
    - Zl1 Lid
    - Norcal Tank
    - Tune by Tune Time Performance

    12.18 @ 118.98 - STOCK
    10.87 @ 127.02 - STAGE 1

    10.53 @ 131.31 - STAGE 2

  4. #3
    Join Date
    Apr 2011
    Location
    New Jersey
    Posts
    504
    Rep Points
    841.3
    Mentioned
    3 Post(s)
    Rep Power
    9


    Reputation: Yes | No
    Click here to enlarge Originally Posted by JRCART Click here to enlarge
    This quote is hidden because you are ignoring this member. Show Quote
    I saw ths on Weistecs Facebook page earlier. Suprised its not been mentioned on any of the boards yet.

    http://www.weistec.com/7229.html
    Jim,

    You have these upgrades. Can you elaborate on the differences after installing them?


    Thanks
    Mike
    2012 CTS V - Sedan - 6AT

    Stage 1 Mods:
    - 2.5 upper pulley with ported snout/throttlebody
    - Fluidyne HX
    - AirAid CAI w/green filter
    - ID850 injectors
    - 160 thermostat

    Stage 2 Mods:
    - American Racing Headers w/X-pipe
    - 9.1 Lower Pulley
    - Tune Time Custom Cam
    - Moroso Dual Catch Cans
    - Zl1 Lid
    - Norcal Tank
    - Tune by Tune Time Performance

    12.18 @ 118.98 - STOCK
    10.87 @ 127.02 - STAGE 1

    10.53 @ 131.31 - STAGE 2

  5. #4
    Join Date
    Jul 2011
    Posts
    73
    Rep Points
    222.8
    Mentioned
    2 Post(s)
    Rep Power
    3


    Reputation: Yes | No
    The torque converter offered by Weistec is very impressive:

    http://www.weistec.com/7229tc.html

    They claim an average 0.2 second improvement in 60' times. That's going to translate into some greatly improved 1320' times!

  6. #5
    Join Date
    Dec 2010
    Posts
    2,175
    Rep Points
    -806.0
    Mentioned
    21 Post(s)
    Rep Power
    0


    Reputation: Yes | No
    My clk has the 722.9 transmission, wonder if I can use those upgrades.

  7. #6
    Sticky's Avatar
    Sticky is offline Regular User
    Status: BoostAddict.com Alpha testing
     

    Join Date
    Jan 2010
    Location
    SoCal
    Posts
    94,694
    Rep Points
    22,049.9
    Mentioned
    1306 Post(s)
    Rep Power
    221


    Reputation: Yes | No
    Click here to enlarge Originally Posted by JRCART Click here to enlarge
    This quote is hidden because you are ignoring this member. Show Quote
    I saw ths on Weistecs Facebook page earlier. Suprised its not been mentioned on any of the boards yet.

    http://www.weistec.com/7229.html
    You posted before the announcement was set to go up Click here to enlarge
    Click here to enlarge Originally Posted by Twinturbom3
    This quote is hidden because you are ignoring this member. Show Quote
    You look like a retarded teenager discovering internet.

  8. #7
    Join Date
    Feb 2010
    Location
    Central Florida
    Posts
    89
    Rep Points
    184.0
    Mentioned
    0 Post(s)
    Rep Power
    2


    1 out of 1 members liked this post. Reputation: Yes | No
    I'm in. Spoke to Steve and I'm shipping my tranny to Weistec this week. I've exhausted my options and efforts with the stock hardware and I can't get where I want to be. We've got the power, just not the hardware and now we can have the hardware. Click here to enlarge

    Here we go!!! Click here to enlarge
    Current:
    2011 R8 V10 NA - PRS/APR tune and many weight saving mods. Click here to enlarge
    1/4 mile: 10.945 @ 131.77mph on a 1.77 60' - Bradenton Motorsports 1/18/2014.

    GONE:
    2009 C63 - Complete MHP Package and a few other mods.
    N/A: 1/4 mile - 10.80@ 129.06mph (OSW 3/5/2012)
    Nitrous 200 shot 1/4 mile - 10.133 @ 139.77mph (Bradenton - 3/22/2012)
    N/A: One Mile TopGunRun in Miami March 14th 2010 - 180.73mph (V-Box verified)
    Nitrous 200 shot: 60-130mph - 5.98 (V-Box verified)

  9. #8
    Join Date
    Mar 2011
    Location
    Naperville, IL
    Posts
    2,734
    Rep Points
    229.6
    Mentioned
    120 Post(s)
    Rep Power
    3


    Reputation: Yes | No

    Click here to enlarge Originally Posted by Dads C63 Click here to enlarge
    This quote is hidden because you are ignoring this member. Show Quote
    I'm in. Spoke to Steve and I'm shipping my tranny to Weistec this week. I've exhausted my options and efforts with the stock hardware and I can't get where I want to be. We've got the power, just not the hardware and now we can have the hardware. Click here to enlarge

    Here we go!!! Click here to enlarge
    Keith, I honestly assumed you already had this...you can say hello to the 9s, probably some 9.80s would be my guess based on your times from Thursday.
    Click here to enlarge

    1000+WHP WEISTEC 2008 CLK63 Black Series
    790WHP WEISTEC 2012 C63 Black Series
    725WHP WEISTEC 2014 SLS Black Series

  10. #9
    Join Date
    Mar 2011
    Location
    Naperville, IL
    Posts
    2,734
    Rep Points
    229.6
    Mentioned
    120 Post(s)
    Rep Power
    3


    Reputation: Yes | No

    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    This quote is hidden because you are ignoring this member. Show Quote
    You posted before the announcement was set to go up Click here to enlarge
    Oops, sorry. I saw it on FB hours ago so I just assumed they finally made it public information. I will wait to comment any further until you or they post the official release here.
    Click here to enlarge

    1000+WHP WEISTEC 2008 CLK63 Black Series
    790WHP WEISTEC 2012 C63 Black Series
    725WHP WEISTEC 2014 SLS Black Series

  11. #10
    Sticky's Avatar
    Sticky is offline Regular User
    Status: BoostAddict.com Alpha testing
     

    Join Date
    Jan 2010
    Location
    SoCal
    Posts
    94,694
    Rep Points
    22,049.9
    Mentioned
    1306 Post(s)
    Rep Power
    221


    Reputation: Yes | No
    Click here to enlarge Originally Posted by Dads C63 Click here to enlarge
    This quote is hidden because you are ignoring this member. Show Quote
    I'm in. Spoke to Steve and I'm shipping my tranny to Weistec this week. I've exhausted my options and efforts with the stock hardware and I can't get where I want to be. We've got the power, just not the hardware and now we can have the hardware. Click here to enlarge

    Here we go!!! Click here to enlarge
    Going to be cool to see where you go from here.
    Click here to enlarge Originally Posted by Twinturbom3
    This quote is hidden because you are ignoring this member. Show Quote
    You look like a retarded teenager discovering internet.

  12. #11
    Sticky's Avatar
    Sticky is offline Regular User
    Status: BoostAddict.com Alpha testing
     

    Join Date
    Jan 2010
    Location
    SoCal
    Posts
    94,694
    Rep Points
    22,049.9
    Mentioned
    1306 Post(s)
    Rep Power
    221


    Reputation: Yes | No
    Click here to enlarge Originally Posted by JRCART Click here to enlarge
    This quote is hidden because you are ignoring this member. Show Quote
    Oops, sorry. I saw it on FB hours ago so I just assumed they finally made it public information. I will wait to comment any further until you or they post the official release here.
    No worries, I'm working on the release here now.
    Click here to enlarge Originally Posted by Twinturbom3
    This quote is hidden because you are ignoring this member. Show Quote
    You look like a retarded teenager discovering internet.

  13. #12
    hworang00's Avatar
    hworang00 is offline Member
    Status: Studying...always studying :\
     
    Join Date
    Oct 2010
    Location
    Clinton, MS
    Posts
    707
    Rep Points
    617.5
    Mentioned
    2 Post(s)
    Rep Power
    7


    Reputation: Yes | No
    All these new toys and parts! DAMN I NEED TO BECOME A DENTIST TOMORROW SO I CAN AFFORD IT!! Or win the lottery >_<
    BimmerBoost's Resident n00b...Click here to enlarge

    Titanium Silver 2003 335 Ci || Premium Package || Sport Package || SOLD
    Sapphire Metallic Black 2008 535i || Custom Mandrel Bend Borla Exhaust || BMS Spacers || CMS Pro Meth Kit || JB4 || BMS DCI || SOLD
    Alpine White 2012 C63 Coupe || AMG Development Package || Multimedia Package || Lighting Package ||

    Click here to enlarge

  14. #13
    Join Date
    Dec 2010
    Location
    PNW
    Posts
    138
    Rep Points
    288.1
    Mentioned
    2 Post(s)
    Rep Power
    3


    Reputation: Yes | No
    Any upgrades for the MCT?

  15. #14
    Sticky's Avatar
    Sticky is offline Regular User
    Status: BoostAddict.com Alpha testing
     

    Join Date
    Jan 2010
    Location
    SoCal
    Posts
    94,694
    Rep Points
    22,049.9
    Mentioned
    1306 Post(s)
    Rep Power
    221


    Reputation: Yes | No
    Click here to enlarge Originally Posted by Even Money Click here to enlarge
    This quote is hidden because you are ignoring this member. Show Quote
    Any upgrades for the MCT?
    That is what I asked, some but not all applies.
    Click here to enlarge Originally Posted by Twinturbom3
    This quote is hidden because you are ignoring this member. Show Quote
    You look like a retarded teenager discovering internet.

  16. #15
    Sticky's Avatar
    Sticky is offline Regular User
    Status: BoostAddict.com Alpha testing
     

    Join Date
    Jan 2010
    Location
    SoCal
    Posts
    94,694
    Rep Points
    22,049.9
    Mentioned
    1306 Post(s)
    Rep Power
    221


    Reputation: Yes | No

    Mercedes 722.9 (7G) automatic transmission upgrades available from Weistec Engineering - Valve body, TCU, Torque Converter

    Here it is folks, what many said could not be done. For those keeping score, this marks the third breakthrough by Weistec Engineering (first being the M156 supercharger and second being CARB certification). The Mercedes 722.9 transmission is used in a variety of vehicles and made its debut in 2004. Tuners have struggled to upgrade it with some saying it was impossible due to electronic complications but parts are now available to take the transmission up to the 1000 pound-foot of torque handling range.

    The torque converter obviously does not apply to those with the MCT but the valve body, tcu, and other parts do. There will be more vehicles supported than just what is listed below.

    Here is what Weistec calls their Bullet Proof Transmission Upgrade:

    Click here to enlarge

    Click here to enlarge

    The transmission receives upgraded clutch packs, new gaskets and seals, filter, pump, and associated hardware. This also includes the valve body and TCU upgrade which can be purchased separately. Pricing? $5,489


    Key Features:
    • Increased Torque Capacity
    • Upgraded Clutch Packs Containing More Clutch Discs
    • Redesigned Clutch Piston Geometry
    • Increase Frictional Surface Area
    • Increased Clutch Material
    • Improved Heat Dissipation
    • New Gaskets and Filter
    • New Transmission Fluid Pump
    • New OEM Fasteners and Hardware
    • Fully Assembled and Ready to Run
    • Used by some of the fastest AMG vehicles
    Supported Platforms
    • 2008-Present C63 AMG (Sedan and Wagon)
    • 2012-Present C63 AMG Black Series
    • 2007-2008 CLK63 AMG
    • 2008 CLK63 Black Series
    • 2007-Present CLS63 AMG
    • 2007-Present E63 AMG (Sedan and Wagon)
    • 2007-Present S63 AMG
    • 2007-Present ML63 AMG
    • 2007 R63 AMG
    • 2008-Present CL63 AMG
    • 2009-2011 SL63 AMG
    Click here to enlarge



    722.9 Valve Body and TCU Upgrade


    This is the first and only valve body upgrade for the 722.9 transmission. This part improves the way the transmission shifts and increases line pressure. The changes in the TCU are made to compliment the hardware and make sure it all works correctly. With the increased pressure and software to compliment it this prevents the clutches from slipping. Turnaround time of 3 days, your parts must be used.

    Valve Body and TCU Upgrade priced at $1,478

    Key Features:
    • Increased Line Pressure
    • Faster Shifting
    • More Precise Shifting
    • Improved Transmission Lifespan
    • New Gaskets
    • New Filter
    • New Hardware
    Click here to enlarge

    Click here to enlarge


    722.9 Torque Converter


    This is the first and only upgraded torque converter for the 722.9 transmission. A lot of firsts coming from Weistec who continues to work their magic on Mercedes platforms.

    This does feature a higher stall of 2500 rpm which should help launches at the track considerably. Weistec stated that in their testing 60 foots dropped around two tenths which will have a large impact on a 1/4 mile elapsed time. It will also support over 1000 horsepower.

    Price is $2849.99

    Key Features:
    • Computer Designed
    • CNC Machined Billet Stator
    • 2500 RPM stall speed
    • +1000HP capable
    • Reduced 60 foot times
    • Improved Low Speed (Around Town) Driving
    • Maintains Factory Drivability
    Click here to enlarge Originally Posted by Twinturbom3
    This quote is hidden because you are ignoring this member. Show Quote
    You look like a retarded teenager discovering internet.

  17. #16
    Mthis is offline Member
    Status: Add More news sticky
     
    Join Date
    Feb 2010
    Location
    718
    Posts
    408
    Rep Points
    399.4
    Mentioned
    12 Post(s)
    Rep Power
    4


    Reputation: Yes | No
    Nice upgrade
    -OETuning
    -11.076@128.04
    -60-130 8.03 @0%

  18. #17
    Sticky's Avatar
    Sticky is offline Regular User
    Status: BoostAddict.com Alpha testing
     

    Join Date
    Jan 2010
    Location
    SoCal
    Posts
    94,694
    Rep Points
    22,049.9
    Mentioned
    1306 Post(s)
    Rep Power
    221


    Reputation: Yes | No
    Click here to enlarge Originally Posted by Mthis Click here to enlarge
    This quote is hidden because you are ignoring this member. Show Quote
    Nice upgrade
    That it is. At one time I didn't think this platform would get as far as it is getting now.
    Click here to enlarge Originally Posted by Twinturbom3
    This quote is hidden because you are ignoring this member. Show Quote
    You look like a retarded teenager discovering internet.

  19. #18
    Join Date
    Mar 2010
    Location
    Kingdom of Bahrain
    Posts
    2,480
    Rep Points
    1,958.4
    Mentioned
    24 Post(s)
    Rep Power
    20


    Reputation: Yes | No
    Awesome work by Wiestec. Pricing is very reasonabe too.
    Click here to enlarge



    EURO 04 M3 Current Mods: GC DAs, Eibach Sways, PF RTAB's, RE RCAs, INTRAVEE II + KCA-420i, Black Roundels, ///MFEST Badges, Depo's, Screen protector for NAV display, VCSL Bumper + Race Lip & CF Trunk & CF Rear Diffusor, DIETZ TV in Motion, SS= V1 Headers + catless pipes + X-Pipe + SS Sport Exhaust, Z8 Starter Button, Lamin-X, OEM CSL interior, OEM CSL Steering, OEM CSL Intake, OEM CSL Roof, EVOLVE Alpha-N Tune, BBS CH's, 3K AE's/Low Beams, LIGHTWERKZ, 355mm ST40 BBK, BW Oil Cooler....

  20. #19
    SLS AMG's Avatar
    SLS AMG is offline Member
    Status: Will Be Weistecd Soon
     
    Join Date
    Oct 2011
    Posts
    878
    Rep Points
    225.0
    Mentioned
    40 Post(s)
    Rep Power
    3


    Reputation: Yes | No
    Amazing. I hope they have something for my SLS

  21. #20
    Join Date
    Apr 2011
    Posts
    131
    Rep Points
    253.0
    Mentioned
    2 Post(s)
    Rep Power
    3


    Reputation: Yes | No
    about time . And a Stall too ?? Great . Where were you a year ago !!!!!

  22. #21
    Join Date
    Apr 2011
    Location
    Los Angeles
    Posts
    3,173
    Rep Points
    588.2
    Mentioned
    50 Post(s)
    Rep Power
    6


    Reputation: Yes | No
    So for about 10k you get a fully built transmission....sounds pretty reasonable to me for an AMG and the 3 day turnaround time is pretty impressive, too. Nice job Wesitec. Bet there are lots of guys out there who claimed to be able to tune the TCU who are scratching their heads right about now lol.

  23. #22
    Join Date
    Dec 2010
    Location
    PNW
    Posts
    138
    Rep Points
    288.1
    Mentioned
    2 Post(s)
    Rep Power
    3


    Reputation: Yes | No
    How much for shipping the tranny, or is that included? Faster shifting? By how much?

  24. #23
    Join Date
    Sep 2011
    Location
    Pittsburgh
    Posts
    597
    Rep Points
    617.9
    Mentioned
    6 Post(s)
    Rep Power
    7


    Reputation: Yes | No
    GRAET stuff from Weistec.

    But come on, 3K for a TC. I had a custom one made back in the 80's from B&M for only 800 bucks. And it was certainly higher than 2500Click here to enlarge

  25. #24
    Join Date
    Apr 2011
    Location
    New Jersey
    Posts
    504
    Rep Points
    841.3
    Mentioned
    3 Post(s)
    Rep Power
    9


    Reputation: Yes | No
    It seems that a couple of people plan on shipping their transmissions to Weistec for these upgrades. Is this the only option we have? Can't a competent transmission shop perform these upgrades? Can the torque converter be installed for those who are interested in a higher stall only and are not making the kind of power that Keith, Jim and Earl are making?

    My main interest is the torque converter for now. Eventually I would like to add the rest of the trans upgrades if/when I'm ready for a blower.

    Thanks in advance.
    2012 CTS V - Sedan - 6AT

    Stage 1 Mods:
    - 2.5 upper pulley with ported snout/throttlebody
    - Fluidyne HX
    - AirAid CAI w/green filter
    - ID850 injectors
    - 160 thermostat

    Stage 2 Mods:
    - American Racing Headers w/X-pipe
    - 9.1 Lower Pulley
    - Tune Time Custom Cam
    - Moroso Dual Catch Cans
    - Zl1 Lid
    - Norcal Tank
    - Tune by Tune Time Performance

    12.18 @ 118.98 - STOCK
    10.87 @ 127.02 - STAGE 1

    10.53 @ 131.31 - STAGE 2

  26. #25
    Sticky's Avatar
    Sticky is offline Regular User
    Status: BoostAddict.com Alpha testing
     

    Join Date
    Jan 2010
    Location
    SoCal
    Posts
    94,694
    Rep Points
    22,049.9
    Mentioned
    1306 Post(s)
    Rep Power
    221


    Reputation: Yes | No
    Click here to enlarge Originally Posted by PetroC63 Click here to enlarge
    This quote is hidden because you are ignoring this member. Show Quote
    It seems that a couple of people plan on shipping their transmissions to Weistec for these upgrades. Is this the only option we have? Can't a competent transmission shop perform these upgrades? Can the torque converter be installed for those who are interested in a higher stall only and are not making the kind of power that Keith, Jim and Earl are making?

    My main interest is the torque converter for now. Eventually I would like to add the rest of the trans upgrades if/when I'm ready for a blower.

    Thanks in advance.
    As stated the valve body and TCU upgrade requires your hardware. You can probably just have the other parts installed.
    Click here to enlarge Originally Posted by Twinturbom3
    This quote is hidden because you are ignoring this member. Show Quote
    You look like a retarded teenager discovering internet.

Page 1 of 3 123 LastLast

Tags for this Thread

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may post replies
  • You may not post attachments
  • You may not edit your posts
  •