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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Vishnu/FFTEC Single Turbo: Creaminz 58mm 6AT Independent Testing Results



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      10-02-2012, 09:37 PM   #23
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Quote:
Originally Posted by CPWINCH
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Originally Posted by skinrock View Post
It's limited in the TCU, that's why Shiv is trying to adjust it.
what i meant was why does the tcu limit single turbo cars and not stock, rb turbo cars, if that makes sense.
and what happens if you hold the peddle down till 6500? auto shift?
I'm not aware of the single shifting any differently...
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      10-02-2012, 09:43 PM   #24
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haha, it's just not that simple. Many TCUs provide an output to the ECU to retard the ignition timing, or reduce the fuel quantity, for a few milliseconds to reduce load on the transmission during heavy throttle. This allows automatic transmissions to shift smoothly even on engines with large amounts of torque which would otherwise result in a harder shift. So due to the fixed shift point, the engine can never make the same HP a manual will make because you can never hit 7000 rpm under full power.

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Originally Posted by CPWINCH View Post
what i meant was why does the tcu limit single turbo cars and not stock, rb turbo cars, if that makes sense.
and what happens if you hold the peddle down till 6500? auto shift?
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      10-02-2012, 09:48 PM   #25
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Quote:
Originally Posted by Wedge1967 View Post
haha, it's just not that simple. Many TCUs provide an output to the ECU to retard the ignition timing, or reduce the fuel quantity, for a few milliseconds to reduce load on the transmission during heavy throttle. This allows automatic transmissions to shift smoothly even on engines with large amounts of torque which would otherwise result in a harder shift. So due to the fixed shift point, the engine can never make the same HP a manual will make because you can never hit 7000 rpm under full power.
i understand all of that. What I am saying are these single turbo AT guys manually shifting at 6500 or does the car auto shift at 6500?
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      10-02-2012, 09:49 PM   #26
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Quote:
Originally Posted by skinrock View Post
I'm not aware of the single shifting any differently...
you cannot shift beyond 6500 rpm with 6AT
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      10-02-2012, 10:40 PM   #27
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How do you get your methanol injector flow to be 44? I can't seem to get mine much past 30-35.
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      10-02-2012, 10:46 PM   #28
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Quote:
Originally Posted by CPWINCH View Post
you cannot shift beyond 6500 rpm with 6AT
That's not entirely true. I have dyno results of the single turbo 6at shifting at 6800rpm. However when transmission oil temps get high (as they would on a stationary dyno in a 100+F day, the shift initiates a few hundred rpm earlier.
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      10-03-2012, 01:05 AM   #29
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      10-03-2012, 01:07 AM   #30
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just want to confirm. Is 596.69/550 highest you have seen on N54 6AT Shiv? STD correction? What are the numbers would be?
Just curious, where did you get those numbers? I've been following most of the dynos, but I don't recall that.
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      10-03-2012, 01:49 AM   #31
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Shiv posted an update yesterday. Creaminz made 597 on a dynapack. Not bad for an AT, eh?

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Originally Posted by shiv@vishnu View Post
I asked creaminz the same thing. But it looks like the European Car mag tuner shootout isn't including a drag race this year due to some accident they had last year. So it's mainly road course and dyno.

On that note, creaminz just informed me that his car WON the dyno part of the Tuner Shootout outright with a solid 597whp run on Church Automotive's Dynapacks. It beat out all 12 other tuner car entries, which included a Renntech CLS63 and a supercharged E90 M3. Temps were 20 deg lower today then they were yesterday when creaming did a pre-dyno dyno session at EAS on their Dynojet (see first post).

Tomorrow is the roadcource portion of the test. All cars are equipped with a spec tire to even the playing field. Wish him good luck!

Cheers
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      10-03-2012, 01:52 AM   #32
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Damn!!!! Amazing numbers, Darren! Good luck with the remaining events for the shoot-out!
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      10-03-2012, 01:55 AM   #33
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Shiv posted an update yesterday. Creaminz made 597 on a dynapack. Not bad for an AT, eh?
Ah, no - not bad. I'm really hoping we can tune mine for E85 when it goes in soon.
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      10-03-2012, 02:09 AM   #34
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Church Automotive's dynapacks read higher than lots of dyno out there, they the one to tune my g35 and my friend's s2000..
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      10-03-2012, 02:26 AM   #35
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Quote:
Originally Posted by Dark9T View Post
Church Automotive's dynapacks read higher than lots of dyno out there, they the one to tune my g35 and my friend's s2000..
I think that all that matters is that a BMW beat everyone else.
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      10-03-2012, 02:44 AM   #36
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Quote:
Originally Posted by scottro View Post
How do you get your methanol injector flow to be 44? I can't seem to get mine much past 30-35.
The single turbo cars use 4 mozzles and inject approximately 1300cc/min of meth. I'm guessing you have 2 nozzles which inject 800-900cc/min.
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      10-04-2012, 07:50 PM   #37
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I think that all that matters is that a BMW beat everyone else.
Thats right!!
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      12-06-2012, 01:35 AM   #38
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Since the magazine is out, now I can post this
2012 European Car Magazine GP challenge Dyno results.
Look at the lists of cars and which car came up top!
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      12-06-2012, 01:43 AM   #39
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Damn near perfect curve Darren!!! LOVE IT!!!
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      12-06-2012, 02:20 AM   #40
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Awesome!
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      12-06-2012, 02:40 AM   #41
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gotta get this magazine issue...
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      12-06-2012, 05:24 AM   #42
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wooooo!!! LTMotorwerks holding it down! Congrats guys!
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      12-06-2012, 12:06 PM   #43
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Congrats, but did I see an E36 M3 with 383whp and...841WTQ?!?!?!? Either that's a serious typo, or I gotta find out more...
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      12-06-2012, 12:10 PM   #44
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nice job dude!
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