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  1. #201
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    What were you using as far as bushings to mount the diff to the subframe?

  2. #202
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    Depends on the year if you have a small or large pumpkin
    Click here to enlarge

  3. #203
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    Click here to enlarge Originally Posted by ajm8127 Click here to enlarge
    What were you using as far as bushings to mount the diff to the subframe?
    OEM diff bushings..now ordered a set of Delrin from Turner
    Click here to enlarge

  4. #204
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    Click here to enlarge Originally Posted by dzenno@ProTUNING Freaks Click here to enlarge
    OEM diff bushings..now ordered a set of Delrin from Turner
    Not going soild?

  5. #205
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    Click here to enlarge Originally Posted by farbmw Click here to enlarge
    Not going soild?
    Delrin should be as good as solid but provide less "buzzzzz"
    Click here to enlarge

  6. #206
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    Some people asked to see the conditions from the dyno, STD correction factor as well as the same run but in SAE. Updated original post...
    Click here to enlarge

  7. #207
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    Someone needs to make upgraded DS already. I'm scared to launch my car right now.
    M3.
    Mazda3 that is Click here to enlarge

  8. #208
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    Click here to enlarge Originally Posted by onebadmofo Click here to enlarge
    Someone needs to make upgraded DS already. I'm scared to launch my car right now.
    Honestly, most drive line shops could probably do it without much problems. Of coarse, you could go ahead and invest in a CF driveshaft if you've got a couple grand lying around.

    TBH, this looks like it is a u-joint problem not a DS problem.
    Click here to enlarge
    MOTIV750, MOTIV P-1000 PI, MOTIV/FUEL-IT! low pressure fuel system, AEM EMS/COBB AP, Aquamist HFS-3, ETS FMIC, SPEC stage 3+ clutch/SS flywheel, BC Racing coilovers and VMR wheels wrapped in Hankook RS3s.

  9. #209
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    Click here to enlarge Originally Posted by dzenno@ProTUNING Freaks Click here to enlarge
    They said it flows poorly compared to everything they've ever done before including everything in the American Muscle arsenal and a bunch of Porsche, VW, Subaru heads...this was their first DI head ever which was part of the reason they were interested in seeing the results
    Yes but that statement should be expanded to cover whether they were talking about N/A or F/I and pure CFM or based on valve and port sizes.

    The N54 head has fairly small ports and valves because it's not meant to turn high RPM. The 230CFM or so it does flow (ported) on the intake side is likely sufficient at a high boost pressure to make some serious HP. I am a little more worried about the exhaust side but with a turbo behind it, if the RPMs aren't too high, you may be able to get power up pretty high. (800WHP @ 6500rpm is about 650lb-ft of torque, if you can carry it that high, like Shiv did w/500lb-ft.)

    If Vargas/Morkin/anyone ever comes through with GTX twins for the N54, that head on a 9:1CR built engine is going to make serious power as long as the block survives.

  10. #210
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    Agree.
    Click here to enlarge

  11. #211
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    Click here to enlarge Originally Posted by dzenno@ProTUNING Freaks Click here to enlarge
    Delrin should be as good as solid but provide less "buzzzzz"
    The buzz isn't that bad with my solid bushings. I've heard much worse, and I kind of like the noise.
    pt6466 FFTEC 335i
    gtx3076r FFTEC Evo IX

  12. #212
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    I saw the shaft and pumpkin @ Ivo's today. That is one clean cut man. That must have been a serious launch.

  13. #213
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    Totally awesome! Which front bumper are you using? It really allows great airflow on the FMIC. I'm planning to upgrade my stock pre-LCI E90 bumper. Thanks!

  14. #214
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    Click here to enlarge Originally Posted by orange Click here to enlarge
    I saw the shaft and pumpkin @ Ivo's today. That is one clean cut man. That must have been a serious launch.
    Serious wheel hop is more like it.

    Click here to enlarge Originally Posted by Jeffman Click here to enlarge
    Totally awesome! Which front bumper are you using? It really allows great airflow on the FMIC. I'm planning to upgrade my stock pre-LCI E90 bumper. Thanks!
    Thanks. Its the m3 replica bumper. I also bought it for that reason as well.
    Click here to enlarge

  15. #215
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    I wonder if there is a shoulder machined into the pinion shaft right at the location it broke. Maybe a step down from the inner diameter of the bearing to the diameter of the splines. That would explain why the break was so clean.

  16. #216
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    Bump for update!

  17. #217
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    Haha you're bumping cause tony said Dzenno had some secret prototypes lol!
    2011 335is DCT, looking for new car friends in Italy.

  18. #218
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    I agree. Give us something
    2011 335is DCT, looking for new car friends in Italy.

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