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

  1. #76
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    Quote Originally Posted by bavdrftr318 View Post
    Vibrations?


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    Yeah they are just so long and only 3Ē dia.


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    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, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k 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, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53

  2. #77
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    Diameter and thickness. Anything more than 3" tho and you touch the gas tank. I just got a 3" chromoly one made, I hope I don't have issues myself.

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  3. #78
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    Quote Originally Posted by Kame36sedan View Post
    Diameter and thickness. Anything more than 3" tho and you touch the gas tank. I just got a 3" chromoly one made, I hope I don't have issues myself.

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    Huh... so I guess itís just a necessary evil going big power and you learn to live with it?

    Not so much vibration itís a safety thing?


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  4. #79
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    Supposedly dss doesn't have vibrantion issues anymore but I've never run one so idk.

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  5. #80
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    Quote Originally Posted by bavdrftr318 View Post
    Huh... so I guess itís just a necessary evil going big power and you learn to live with it?

    Not so much vibration itís a safety thing?


    Sent from my iPhone using Tapatalk
    Well the good news is when the transmission is almost 6Ē longer you end up with quite a bit higher critical speed and therefore less vibration.

    Also once I have this trans mounted in a couple days Iíll look and see if we can fit a 3.5Ē driveshaft. A 3.5Ē aluminum shaft would be the perfect solution.


    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, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k 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, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53

  6. #81
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    Quote Originally Posted by vollosso View Post
    Well the good news is when the transmission is almost 6Ē longer you end up with quite a bit higher critical speed and therefore less vibration.

    Also once I have this trans mounted in a couple days Iíll look and see if we can fit a 3.5Ē driveshaft. A 3.5Ē aluminum shaft would be the perfect solution.


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    That youíd have to remove gas tank though no?


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  7. #82
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    Quote Originally Posted by bavdrftr318 View Post
    That youíd have to remove gas tank though no?


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    No im hoping we can keep it. Iíll know more in the coming days.


    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, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k 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, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53

  8. #83
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    3.5 won’t fit due to the size of the opening between the gas tank saddles. CES uses a 2.75 CF DSS shaft. With CF you definitely don’t want any rubbing.

    The vibration comes in part from the length and in part from the lack of guibo. I have a one piece CF shaft on my E90M3 with guibo and zero vibration. BMW factory fitted one piece CF shafts on the F80M3, with guibo.

    My DSS one piece chromoly no guibo shaft I bought in 2017 vibrates just like the one I bought in 2013 or 2014 and the one I bought in 2015 or 2016.
    Last edited by pbonsalb; 04-22-2018 at 09:39 PM.

  9. #84
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    You CAN fit it. It just rubs the gas tank lol

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  10. #85
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    Quote Originally Posted by pbonsalb View Post
    3.5 wonít fit due to the size of the opening between the gas tank saddles. CES uses a 2.75 CF DSS shaft. With CF you definitely donít want any rubbing.

    The vibration comes in part from the length and in part from the lack of guibo. I have a one piece CF shaft on my E90M3 with guibo and zero vibration. BMW factory fitted one piece CF shafts on the F80M3, with guibo.

    My DSS one piece chromoly no guibo shaft I bought in 2017 vibrates just like the one I bought in 2013 or 2014 and the one I bought in 2015 or 2016.
    So why not just use a guibo on all DSS? At certain power levels does that become a point of failure?


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  11. #86
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    I bought the 3.5" DS that Dburt had in his TT LS E36 for my car....

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  12. #87
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    What about shimming the sub frame down to add clearance for a larger diameter drive shaft
    Last edited by beeasy; 04-24-2018 at 08:47 AM.


    -sold...replaced by turbo e36

  13. #88
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    Quote Originally Posted by beeasy View Post
    Would about shimming the sub frame down to add clearance for a larger diameter drive shaft
    Thats exactly what Dburt did....im planning on doing it to my car as well....Just use the same McMaster washers that are used when installing the Powerflex rear subframe bushings...

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  14. #89
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    My SF is shimmed down about 1/2 inch with double MC washers front and single in rear. Pinion angle is an issue with one piece. Domestic motor conversions may be mounted higher or lower. You can lower an S52 about 1/4 to 3/8 inch no problem.

    Might want the Chickinhed anti movement kit for the subframe. Then tolerance could be tighter on tank clearance and less risk for CF shaft. Been checking Walmart every day but have not seen the kit on the shelves yet.

    DSS never bothered trying to make a shaft that would allow a guibo. A shaft shop probably could. The 2004 GTO might have a 3 bolt front piece that could be used on a custom shaft for an E36 guibo. Revshift makes an aluminum guibo with poly inserts (that supposedly causes vibration).
    Last edited by pbonsalb; 04-23-2018 at 02:12 PM.

  15. #90
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    I've used the revshift poly guibo and it is a horrible vibration source. I think the factory 335 guibo would be perfect

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    97 Turbo 3.2L M3 - Cutring / ARP - RSI Top Mount - Gt4088r - ID1300 - Tial WG - 22RPD Tuned - 93 Octane - 3.5" Stainless

  16. #91
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    Quote Originally Posted by vollosso View Post
    Hey guys finally some good news, clutch is ironed out. I am so excited to test this setup.

    The prototype clutch (for my car) is a carbon-compound full-face twin-disk. Rated for 1000ftlbs tq. Added bonus, this compound should exhibit exceptional wear life.

    Im also looking at cae style shifters for this setup, I really am looking forward to WOT 2-3 shifts.. something I refrain from currently hah.



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    With the full face, it should be very streetable.

    My old HPF feramic clutch is nice, which I believe SBC made for them.

  17. #92
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    Quote Originally Posted by pbonsalb View Post
    Might want the Chickinhed anti movement kit for the subframe. Then tolerance could be tighter on tank clearance and less risk for CF shaft. Been checking Walmart every day but have not seen the kit on the shelves yet.
    LOL! Itís in the large woman bra and girdle section. Dig deep in the discount bin, itís at the bottom.

    I have to install it and test it before I start producing them. It would be all done if I didnít keep coming up with new mods to do. Iíve made a bolt on plate for the bottom of the subframe to get the diff out easier and Iíve just ordered an e46 M3 rear cover for the 210. The bolt pattern is the same but mount points are in a different spot than the Ďboomerangí mount so there is going to be more cutting and welding in my future.

  18. #93
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    IMG_0124.JPGIMG_0117.JPGIMG_0119.JPG

    Ring fits. I have to shift two holes for the final design to be perfect, but Iíll be using this one in my car.

    Tested the starter with an old auto starter ring.

    Excuse the phone photos, itís been a long day.


    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, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k 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, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53

  19. #94
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    Looks awesome. That trans is a monster!!

  20. #95
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    Nice

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  21. #96
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    The S6-53 is about the same weight as a T56.at 123 lbs, depending on the model.

  22. #97
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    Just for the record I hate you. I should have waited another year to go 6 speed I guess..

    If I hurt the 420g I'm in deep enough to just put another one in most likely though.

  23. #98
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    Does this change the location of the shifter when comparing to a zf shifter location?


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  24. #99
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    Quote Originally Posted by bavdrftr318 View Post
    Does this change the location of the shifter when comparing to a zf shifter location?


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    Youíll need a shortened linkage. Which will be included


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    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, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k 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, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53

  25. #100
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    So what's the group buy pricing starting at?

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