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Thread: My N54 Build

  1. #26
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    Click here to enlarge Originally Posted by Linracing Click here to enlarge
    What would one need to do a direct swap with the S85? Engine, transmission, ECU ?? I am really looking into that or just put a big ass turbo on the N54. But a TT S85 would be lovely.
    direct swap for the lulz.
    lets get off the pipe dream of TT S85's and get back to your engine.
    if it doesn't or didn't crank, why did you think it was the engine internally?
    and yea, if you want the shizzle of internals- lemme know. Two are now being fully built, and I'll just keep adding people to the list.
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    Crazy news guys .. after pulling the motor out and tranny I removed the transmission from the engine and bam the engine cranks over now... smh lol. Transmission was locking the engine the whole time. Going to send the transmission somewhere for a rebuild so that saves me a engine rebuild! Lol now to start on custom single turbo sooner than I thought since the motor is already pulled out.

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    That's good news! I would still swap in a 6mt though and not waste money on building a auto. No one has a real/proven solution yet.
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    great news man. you may want to see if Jack's Transmission will build it for you. I know he does manual BMW trannies and EVO MT.
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    Click here to enlarge Originally Posted by Flinchy Click here to enlarge
    wait.. you've done that to your N54?... where's your build thread?.. i had no idea anyone else had already gone that far!
    Ya and I haven't updated it as I've now decided to go with a fftec top mount. Waiting on that to arrive so I can finish the car and start her up. I'm also trying to sell all the new & used parts I have for it
    Click here to enlarge

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    Click here to enlarge Originally Posted by Flinchy Click here to enlarge
    and if you want 1000hp at >7000rpm, you don't need as much torque, and torque breaks things!
    TQ isn't going to be the problem is the engine's built to spec or kept it under 600 WTQ (most done on an N54 with the Vargas Stage 3, 725 WHP dyno)... But if you want to increase the redline you're gonna need (at a minimum) upgraded valve springs & better flowing heads... Depending on how many more RPMs you want to add, it might also require a full built motor -- internals, slightly lower CR, head studs, etc etc
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    Click here to enlarge Originally Posted by Linracing Click here to enlarge
    Crazy news guys .. after pulling the motor out and tranny I removed the transmission from the engine and bam the engine cranks over now... smh lol. Transmission was locking the engine the whole time. Going to send the transmission somewhere for a rebuild so that saves me a engine rebuild! Lol now to start on custom single turbo sooner than I thought since the motor is already pulled out.
    Where are you gonna do your custom single? Come down here to my guy we can do ours together!
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    Click here to enlarge Originally Posted by lamia2super Click here to enlarge
    Ya and I haven't updated it as I've now decided to go with a fftec top mount. Waiting on that to arrive so I can finish the car and start her up. I'm also trying to sell all the new & used parts I have for it
    Fair enough... i'm super interested, can't wait for the thread!!

    Click here to enlarge Originally Posted by benzy89 Click here to enlarge
    TQ isn't going to be the problem is the engine's built to spec or kept it under 600 WTQ (most done on an N54 with the Vargas Stage 3, 725 WHP dyno)... But if you want to increase the redline you're gonna need (at a minimum) upgraded valve springs & better flowing heads... Depending on how many more RPMs you want to add, it might also require a full built motor -- internals, slightly lower CR, head studs, etc etc
    600wtq at 7000rpm will 'only' make 800whp... assuming 8000rpm is safe to do with lighter valvetrain+better springs.. that will get the N54 to 913whp... for a 7000rpm redline, you have to make (a REALLY HIGH) 750ft-lb.. 8000rpm takes that down to ~650ft-lb\\

    Dzenno made 650ft-lb on his record run (653?)
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    Click here to enlarge Originally Posted by Linracing Click here to enlarge
    Crazy news guys .. after pulling the motor out and tranny I removed the transmission from the engine and bam the engine cranks over now... smh lol. Transmission was locking the engine the whole time. Going to send the transmission somewhere for a rebuild so that saves me a engine rebuild! Lol now to start on custom single turbo sooner than I thought since the motor is already pulled out.
    Depends what in the trans is broken i'd think? as far as i've been told, the actual transmission is sealed totally, so only the torque converter would be rebuildable?

    disappointing you won't be doing a full build tho Click here to enlarge
    boop

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    the transmissions arent full of magical parts, I've taken apart plenty of them- there just isnt any decent high performance parts for it.
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    Click here to enlarge Originally Posted by Flinchy Click here to enlarge
    Depends what in the trans is broken i'd think? as far as i've been told, the actual transmission is sealed totally, so only the torque converter would be rebuildable?

    disappointing you won't be doing a full build tho Click here to enlarge
    Manual swap time
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  12. #37
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    Click here to enlarge Originally Posted by alex@ABRhouston Click here to enlarge
    the transmissions arent full of magical parts, I've taken apart plenty of them- there just isnt any decent high performance parts for it.
    Ah, you can actually disassemble the 6AT's... not the 6MT's though?

    Not that the 6AT's have a need for anything other than a better torque converter, to date?
    boop

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    ATs yes, they need more help than just a converter!

    manuals....nothing really is available inside for them....

    i mean you can take it apart..... Getting it back together correctly is another story Click here to enlarge
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    Click here to enlarge Originally Posted by alex@ABRhouston Click here to enlarge
    ATs yes, they need more help than just a converter!

    manuals....nothing really is available inside for them....

    i mean you can take it apart..... Getting it back together correctly is another story Click here to enlarge
    The internals are weak for the AT's? just gets worse and worse for them Click here to enlarge

    True, not something i want to learn particularly myself hahahha
    boop

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    Click here to enlarge Originally Posted by Flinchy Click here to enlarge
    The internals are weak for the AT's? just gets worse and worse for them Click here to enlarge

    True, not something i want to learn particularly myself hahahha
    I mean if you have lots of dinero, you could easily get a custom set of billet gears cut and a high TQ clutch for an MT..... The 6AT really has nothing besides the Alpina flash & pseudo-Level10 upgrade
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    Click here to enlarge Originally Posted by Linracing Click here to enlarge
    Sticky how can i edit the title to my thread and my original post? It says i have to ask the admin.
    Do as it says and ask the admin.
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    Click here to enlarge Originally Posted by Linracing Click here to enlarge
    What would one need to do a direct swap with the S85? Engine, transmission, ECU ?? I am really looking into that or just put a big ass turbo on the N54. But a TT S85 would be lovely.
    Engine, ecu, driveshaft. It would not be a horribly difficult swap but not one I would call easy either.

    Plus then what do you do to the motor? Keep it NA?
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    Click here to enlarge Originally Posted by Flinchy Click here to enlarge
    ED: oh S85 not S65.. yeah transmission would be a big hurdle (S65 swap would be cheaper just to get an m3 lol)... nfi if the engine mounts are the same, so possibly that too.
    The same manual trans that would work for the S65 would work for the S85. I don't even think you would need to do any bellhousing adapting as even BMW uses the same basic manual trans for both.
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    Click here to enlarge Originally Posted by alex@ABRhouston Click here to enlarge
    ATs yes, they need more help than just a converter!

    manuals....nothing really is available inside for them....

    i mean you can take it apart..... Getting it back together correctly is another story Click here to enlarge
    What else do they need? I mean I see no reason the physical attributes can't be beefed up.
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    The same manual trans that would work for the S65 would work for the S85. I don't even think you would need to do any bellhousing adapting as even BMW uses the same basic manual trans for both.
    Ahh right, the S65 is a cut down S85, good point.

    Also just remembered, pretty sure i've seen some manual swapped S85's before too.
    boop

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    I don't think they are swaps, I think you could buy a Manual V10 M5 in the US.

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    Click here to enlarge Originally Posted by Nugs Click here to enlarge
    I don't think they are swaps, I think you could buy a Manual V10 M5 in the US.
    You could but not sure if that is what he was referring to.
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