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Thread: Big Power Manual Transmission (S6-53) Swap

  1. #151
    Join Date
    Jun 2005
    Location
    Concord, NH
    Posts
    20,974
    My Cars
    08 E90M3; 99 E36M3 Turbo
    There is probably nothing cheaper that can support 600 lbs rwtq or more with reasonable reliability. A T56 Magnum is $3k plus $800 for the bellhousing, plus flywheel and clutch and brace and shaft and shifter. A C4 or other auto would need to be built and you need an adapter and brace and cooler and shifter. The only stronger drop in (same spline as ZF320) is the Euro E36M3 Getrag 420 but they are not common and expensive and not rated for as much torque as the GS6-53. The E46M3 Getrag 420 requires a different clutch and is likewise rated at only 420NM versus the 530NM of the ZF GS6-53, and is more expensive used to replace than the ZF if it does break.

    Probably at least half the cost is the clutch and flywheel, and you need to spend about that much if you want a streetable clutch that can reliably hold this kind of power regardless of what trans you have, unless you have the ability to machine an older flywheel to fit a domestic clutch like one person has done.

  2. #152
    Join Date
    Mar 2012
    Location
    Birmingham, AL
    Posts
    4,897
    My Cars
    99 m3
    Well said Phil. Even with the large buy-in and a generous bump to a tier 2 pricing-agreement they are still over half the cost..

    I think said and done this is what it would cost you to put a 420 in with the same tier clutch.

    Also guys since itís been asked, I do have options for more power. Its only a difference in disk cost.

    I will also be offering rebuild parts at cost through the website after these are off the ground. The rebuild costs are pretty reasonable, I donít have the figures on hand.


    Sent from my iPhone using Tapatalk
    1989 535i - sold
    1999 Tiag/Dove M3 - sold
    1998 Turbo Arctic/black - current
    2004 TiAg/Black - Current

    PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Fx725 twin ceramic, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, 14mm diff bolt conversion, Poly engine mounts, UUC trans W/ enforcers, Custom Ms41 id1700 E85 tune..... BUILD THREAD

  3. #153
    Join Date
    Jul 2005
    Location
    PEI, Canada
    Posts
    2,608
    My Cars
    2001 330i
    If this option was available 8 years ago....I would probably have it in my car right now. (And have saved myself a TON of headaches)

    A true flywheel to driveshaft transmission solution has never been offered before, I hope this goes really well for you!

  4. #154
    Join Date
    Aug 2007
    Location
    Phoenix, AZ
    Posts
    459
    My Cars
    1999 328i -2000 323i
    There is a gs6-53 that bolts in without an adapter...

  5. #155
    Join Date
    Mar 2012
    Location
    Birmingham, AL
    Posts
    4,897
    My Cars
    99 m3
    Quote Originally Posted by hobbit382 View Post
    There is a gs6-53 that bolts in without an adapter...
    The only one that will bolt on is a diesel ratio transmission. Which is not available in the USA. They are even rare within Europe.

    Not a viable solution, and we covered this already.


    Sent from my iPhone using Tapatalk
    1989 535i - sold
    1999 Tiag/Dove M3 - sold
    1998 Turbo Arctic/black - current
    2004 TiAg/Black - Current

    PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Fx725 twin ceramic, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, 14mm diff bolt conversion, Poly engine mounts, UUC trans W/ enforcers, Custom Ms41 id1700 E85 tune..... BUILD THREAD

  6. #156
    Join Date
    Mar 2012
    Location
    Birmingham, AL
    Posts
    4,897
    My Cars
    99 m3
    Quote Originally Posted by PEI330Ci View Post
    If this option was available 8 years ago....I would probably have it in my car right now. (And have saved myself a TON of headaches)

    A true flywheel to driveshaft transmission solution has never been offered before, I hope this goes really well for you!
    Thanks, that why we pursued it. We really wanted to bolt on the biggest, most available, transmission that we could find.

    Took some time to find and design all the little pieces. Pretty excited about the result.


    Sent from my iPhone using Tapatalk
    1989 535i - sold
    1999 Tiag/Dove M3 - sold
    1998 Turbo Arctic/black - current
    2004 TiAg/Black - Current

    PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Fx725 twin ceramic, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, 14mm diff bolt conversion, Poly engine mounts, UUC trans W/ enforcers, Custom Ms41 id1700 E85 tune..... BUILD THREAD

  7. #157
    Join Date
    Mar 2013
    Location
    Upstate NY
    Posts
    914
    My Cars
    M3
    I think everything is a win in this thread, gives me motivation to work so I can buy racecar parts.
    Last edited by Mklock; 05-08-2018 at 05:34 PM.

  8. #158
    Join Date
    Mar 2012
    Location
    Birmingham, AL
    Posts
    4,897
    My Cars
    99 m3

    Big Power Manual Transmission (S6-53) Swap

    I have been asked and then offered this to several people now, so I will put it out there to help everyone as we wind down on the last week here. I know itís a lot of money so this is what I can do.

    I will offer to pre-sell half of a kit, for half the cost of the preorder. You will receive everything minus a clutch. I will ship this to you with the presale group.

    When time comes that you can purchase the remainder I will ship you the clutch of your choice.

    If you are interested in doing this please pm me and we can proceed from there, thank you


    Quote Originally Posted by Mklock View Post
    I think everything is a win in this thread, gives me motivation to work so I can buy racecar parts.
    Thanks




    Sent from my iPhone using Tapatalk
    1989 535i - sold
    1999 Tiag/Dove M3 - sold
    1998 Turbo Arctic/black - current
    2004 TiAg/Black - Current

    PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Fx725 twin ceramic, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, 14mm diff bolt conversion, Poly engine mounts, UUC trans W/ enforcers, Custom Ms41 id1700 E85 tune..... BUILD THREAD

  9. #159
    Join Date
    Mar 2012
    Location
    Birmingham, AL
    Posts
    4,897
    My Cars
    99 m3
    To everyone who has already pre-ordered a kit, thank you! As you all probably know, it takes a lot of resources to get things like this off the ground, and you guys make a huge difference.


    I went ahead and added a no clutch option to the website:
    http://22rpd.com/item.php?item=367
    The clutch will be available to this group at $1450 when they are ready.


    The prototype flywheel finally got finished today so we will be doing testing this week at ~40psi. It took almost 10 weeks, long road.


    We realize there was a bit of a short timeline on this preorder, so we will push the deadline to Friday 5/18/18 11:59 Pm Pacific. There will be no further extensions of this pricing, sorry
    Thank you all again for supporting, looking forward to the results with you guys.

    -Zack
    1989 535i - sold
    1999 Tiag/Dove M3 - sold
    1998 Turbo Arctic/black - current
    2004 TiAg/Black - Current

    PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Fx725 twin ceramic, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, 14mm diff bolt conversion, Poly engine mounts, UUC trans W/ enforcers, Custom Ms41 id1700 E85 tune..... BUILD THREAD

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