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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 > Dyno'd Cobb Stage 1 in 102F heat... 334hp/394ft.lbs (video added)



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      06-15-2011, 12:56 PM   #23
Litos
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Quote:
Originally Posted by dyezak View Post
So before Stage 2 comes out, and then the Access Tuner software follows and I have a custom tune for my car, I thought a baseline was in order. Today DEFINITELY wasn't the best day to run a car on a dyno. At 4-5pm in Plano today temps ranged from 98-102deg F, and in the dyno room, it was on the high end . Combine that with my auto 335i that saps more power than a 6sp and you can definitely do better than what you will see here.
right on the money.

mine was in 90+ degree weather with just DCI and ETS FMIC and made 326 and 390 at Cobb's facility in Austin.

completely stock exhaust.
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      06-15-2011, 01:48 PM   #24
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That's a high reading dyno especially for a mustang, I did 336/384 on a dynojet in much cooler temps with a 6 speed.
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Mr nice doesn't play nice. But I guess he has a very fast car
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      06-15-2011, 01:52 PM   #25
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Quote:
Originally Posted by dyezak View Post
Not XI, only auto, with heat, on a mustang dyno...
Oh I saw the front wheels spinning and immediately assumed, I didnt know the AWD mustang dyno was tied to the front and rear drums forcing the front wheels to spin?

Doesnt sound very efficient...
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      06-15-2011, 02:30 PM   #26
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Quote:
Originally Posted by Alan l. View Post
Cobb hits it's peak boost only in the midrange rpms and tapers down to 12psi quick. Stage 2 should hold higher boost numbers longer. Where Cobb shines is the monster torque early on.

Alan
Sorry if a dumb question, but how is it possible that even though boost tapers down to 12psi here, HP numbers stayed pretty much the same till end of run?
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      06-15-2011, 03:11 PM   #27
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Quote:
Originally Posted by mke135i View Post
Sorry if a dumb question, but how is it possible that even though boost tapers down to 12psi here, HP numbers stayed pretty much the same till end of run?
It's because of the direct relationship with RPMs. HP=(tq(ft/lbs)*RPM)/5252 So for example you could have 400 ft lb of torque at 3000 rpms which would equate to approx 228 hp and only 300 ft lbs of torque at 6000 rpms which would be about 343 hp. Basically boost drops off but RPMs are increasing so hp increases or remains somewhat constant in this example.
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      06-15-2011, 04:17 PM   #28
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Thanks for explaining that.
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      06-15-2011, 07:51 PM   #29
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ETS 7" FMIC Procede V5

I made 339 AWHP 389 AWTQ on a Mustang with the following mods:

Procede V5 Map 2 Auto tune 16PSI
ETS 7" FMIC
UR CAI
UR catless DP
ETS exhaust
Riss racing charge pipe with Forge DV

Meth and RB turbos coming!!

See attached Dyno. Run 1 is with Procede and Run 2 with JB3 Map 7. Procede blew JB away!!

+34 HP and 51 TQ at the wheels all wheel drive!!
Attached Images
File Type: pdf 08 335XI Mustange Dyno 5-28-11.pdf (1.43 MB, 66 views)
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      06-15-2011, 10:19 PM   #30
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Quote:
Originally Posted by Litos View Post
right on the money.

mine was in 90+ degree weather with just DCI and ETS FMIC and made 326 and 390 at Cobb's facility in Austin.

completely stock exhaust.
Are those numbers pretty high with just the Cobb, DCI, and FMIC? I have the same setup except I have the Helix FMIC. I need to dyno mine to see what I'm putting down!! If I get around those numbers I definitely will be happy . Definitely can't wait for stage 2 and ATR to get over the 400 hp mark.
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      06-16-2011, 04:13 PM   #31
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Quote:
Originally Posted by Tuner1984 View Post
Are those numbers pretty high with just the Cobb, DCI, and FMIC? I have the same setup except I have the Helix FMIC. I need to dyno mine to see what I'm putting down!! If I get around those numbers I definitely will be happy . Definitely can't wait for stage 2 and ATR to get over the 400 hp mark.
i would say they're low numbers being a Mustang Dyno....

a "traditional" dyno would probably see over 360 and 430ftlbs...
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      06-16-2011, 04:47 PM   #32
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Quote:
Originally Posted by kdiggz View Post
nice. did they give you any hints on when we might see stage 2 and atr? or what mods stage 2 will require?
Cobb's general stage 2 maps only require turbo back exhaust, nothing more. We'll soon see if they keep their tradition alive.
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