E90Post
 


 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > 405lb-ft of torque at the wheels?



Reply
 
Thread Tools Search this Thread
      01-16-2007, 04:16 PM   #1
shiv@vishnu
Tuner
 
shiv@vishnu's Avatar
 
Drives: X1, 335i
Join Date: Sep 2006
Location: SF Bay, CA

Posts: 17,611
iTrader: (0)

405lb-ft of torque at the wheels?

Just in case some folks were wondering about the realworld effects our recent round of updates (replacing the XEDE with a PROcede) have had on power output, here's a graph for ya...



This is on our Stg 1 (exhaust and computer) car from earlier today, running 93oct. Dyno results from 2 weeks ago, under nearly identical conditions, were 375lb-ft and 345whp. The only things that changed since then have been our recent updated with our engine control computer (how it controls boost and adjusts ignition timing, specifically). Both setups ran the same boost- 12psi peak, tapering down to 11psi by 5000rpm and then down to 9psi by 7000rpm.

Tonight and tomorrow, I'm going to be testing at 4000' above sea level just to make sure there is enough overhead in the boost control system for it make the necessary adjustments.

Those beta folks who currently run our Stg 0 kit will see benefits from the new changes. And we will be offering free updates for those kind folks. This will require a hardware change to the Xede itself (replacing it with a PROcede). That means that we will be swapping it out for another unit altogether. More on that later. Gotta get back to work

Cheers,
shiv

PS. To put this in perspective, by 3700rpm the car now is already making the peak power of a stock car (265-275whp). So basically, to drive keep up with a stock car, I'd have to short shift this car at 4000rpm

Last edited by shiv@vishnu; 09-19-2007 at 07:20 PM.
shiv@vishnu is offline   United_States
0
Reply With Quote
      01-16-2007, 04:19 PM   #2
RRGOO7
Colonel
 
RRGOO7's Avatar
 
Drives: GTR
Join Date: Dec 2006
Location: Miami FL

Posts: 2,445
iTrader: (13)

dammn that is insane!! what exhaust are you running? how much would it cost me to get my get to be putting out that kind of power?

also where can i get it done?
RRGOO7 is offline  
0
Reply With Quote
      01-16-2007, 04:27 PM   #3
Walked U
Brigadier General
 
Drives: RR sport s/c, E82, E89 3.5is
Join Date: Nov 2006
Location: USA

Posts: 3,118
iTrader: (5)

How was the run on 91 octane? Since most of us in cali will be running that.
__________________
Previous - E90 335i, E82
Current - E89 / Range Rover sport Super charged.
Walked U is offline  
0
Reply With Quote
      01-16-2007, 04:29 PM   #4
shiv@vishnu
Tuner
 
shiv@vishnu's Avatar
 
Drives: X1, 335i
Join Date: Sep 2006
Location: SF Bay, CA

Posts: 17,611
iTrader: (0)

Quote:
Originally Posted by Walked U
How was the run on 91 octane? Since most of us in cali will be running that.
On 91, we saw 345whp and 390lb of torque. Still 30lbft of torque and 10whp stronger than before.

Shiv
shiv@vishnu is offline   United_States
0
Reply With Quote
      01-16-2007, 04:37 PM   #5
Walked U
Brigadier General
 
Drives: RR sport s/c, E82, E89 3.5is
Join Date: Nov 2006
Location: USA

Posts: 3,118
iTrader: (5)

Quote:
Originally Posted by shiv@vishnu
On 91, we saw 345whp and 390lb of torque. Still 30lbft of torque and 10whp stronger than before.

Shiv

Very nice. Shiv you doing a turbo back exhaust or cat back?
__________________
Previous - E90 335i, E82
Current - E89 / Range Rover sport Super charged.
Walked U is offline  
0
Reply With Quote
      01-16-2007, 04:39 PM   #6
shiv@vishnu
Tuner
 
shiv@vishnu's Avatar
 
Drives: X1, 335i
Join Date: Sep 2006
Location: SF Bay, CA

Posts: 17,611
iTrader: (0)

Quote:
Originally Posted by Walked U
Very nice. Shiv you doing a turbo back exhaust or cat back?
Right now the only exhaust we've ever installed or tested on cars is a cat-back. The factory downpipe and primary cats are still there. Only thing thing that goes are the secondary cats and the piping and mufflers after that.

Shiv
shiv@vishnu is offline   United_States
0
Reply With Quote
      01-16-2007, 04:41 PM   #7
specialque
Private First Class
 
Drives: 2007 335ci
Join Date: Dec 2006
Location: Connecticut

Posts: 169
iTrader: (0)

Shiv. I don't see a graph but let me get this straight..

With the Xede & Exhaust with 93 octane you are getting 405wtrq with just the new Xede updates?

Luke
__________________
2007 BMW 335ci Alpine White/Saddle Brown
1995 Integra GS-R Teal/Charcoal
specialque is offline  
0
Reply With Quote
      01-16-2007, 04:42 PM   #8
williamf
Audi Convert
 
Drives: Past: 335i Now: TTRS stage 2+
Join Date: Nov 2006
Location: Houston

Posts: 362
iTrader: (0)

Just in case you all did not catch what Shiv said about the new update, he will be offering a FREE replacement to all of us early adopters. That is pretty amazing customer service. I think we were all blown away by the early gains from the XEDE, and we all thought it was well worth the money. Now, Vishnu is going to GIVE a new more powerful upgrade. I think most companies would do a little marketing song and dance and try to get the early adopters to pay for a new upgrade.

Say what you will about Vishnu not being a huge company, but I am convinced that Shiv and his team are honest, reliable, and commited to our enthusiastic satisfaction. Shiv has been a phone call away everytime I have had a question.
williamf is offline   United_States
0
Reply With Quote
      01-16-2007, 04:43 PM   #9
Walked U
Brigadier General
 
Drives: RR sport s/c, E82, E89 3.5is
Join Date: Nov 2006
Location: USA

Posts: 3,118
iTrader: (5)

Quote:
Originally Posted by shiv@vishnu
Right now the only exhaust we've ever installed or tested on cars is a cat-back. The factory downpipe and primary cats are still there. Only thing thing that goes are the secondary cats and the piping and mufflers after that.

Shiv
Wow those are very impressive just for a cat back. I guess the stock exhaust was running very restrictive. Any plan on making a down pipe and up piping for the car soon?

And also re-guarding the updates, will the people that are getting them installed from the future going to have them?
__________________
Previous - E90 335i, E82
Current - E89 / Range Rover sport Super charged.
Walked U is offline  
0
Reply With Quote
      01-16-2007, 04:47 PM   #10
sdiver68
Expert Road Racer
 
Drives: 07 335i e90, 09 335i e93
Join Date: Jul 2006
Location: St. Louis, MO

Posts: 1,330
iTrader: (3)



I notice the HP curve looks more normal, less of a sharp drop at 5.8K+ RPM than some prior runs.

Looking at the A/F, any more power to be made by leaning out a bit > 4.5K RPM? Or by running slightly rich is that helping cooling?
sdiver68 is offline  
0
Reply With Quote
      01-16-2007, 04:54 PM   #11
dr335is
Brigadier General
 
Drives: GTI
Join Date: Jul 2006
Location: Dallas, TX

Posts: 4,973
iTrader: (4)

Shiv, call me when you hit 500...either TQ or HP
dr335is is offline  
0
Reply With Quote
      01-16-2007, 04:57 PM   #12
teknochild
Your resident 4um troll
 
teknochild's Avatar
 
Drives: 335 coupe
Join Date: Dec 2006
Location: fl

Posts: 2,021
iTrader: (0)

WTF shiv, thats all, just WTF
__________________
RAWRrrrr
teknochild is offline  
0
Reply With Quote
      01-16-2007, 05:07 PM   #13
jerrygarcia
Lieutenant
 
Drives: 335 sedan eventually
Join Date: Sep 2006
Location: Houston

Posts: 491
iTrader: (0)

wow, keeps getting better.
jerrygarcia is offline  
0
Reply With Quote
      01-16-2007, 05:11 PM   #14
CoralRedPlz
restless
 
Drives: Space Grey, Coral Red 335i
Join Date: Nov 2006
Location: around town

Posts: 485
iTrader: (0)

wow. so sick!


any chance u could bring an exhaust to me for the boulder dyno day?

what would that run me? u can PM me if you'd rather.

thanks!
__________________
335i space, coral/gray poplar, step, loaded, but with no AS, AC or rear shade. Front lip painted and installed and springs going on this week. pics coming soon.
CoralRedPlz is offline  
0
Reply With Quote
      01-16-2007, 05:13 PM   #15
jayjay
Private
 
Drives: BMW station wagons
Join Date: Jan 2007
Location: LA

Posts: 93
iTrader: (0)

Awesome :rocks:
jayjay is offline  
0
Reply With Quote
      01-16-2007, 05:15 PM   #16
Garissimo
Captain
 
Garissimo's Avatar
 
Drives: 4 doors, 6 gears, 8 cylinders
Join Date: Apr 2006
Location: Hippie Town, USA

Posts: 645
iTrader: (0)

Quote:
Originally Posted by shiv@vishnu
Just in case some folks were wondering about the realworld effects our recent round of updates have had on power output, here's a graph for ya...

That's pretty flippin' sweet. That's a lot of area under the curve. That's 40 more lb-ft of torque than most stock LS2 engines make, for reference.
Garissimo is offline  
0
Reply With Quote
      01-16-2007, 05:19 PM   #17
teknochild
Your resident 4um troll
 
teknochild's Avatar
 
Drives: 335 coupe
Join Date: Dec 2006
Location: fl

Posts: 2,021
iTrader: (0)

the drop in boost at higher rpms is because the smaller turbos cant keep up with the demand in volume right?

speaking of volume (zing) can you get a sound clip of the stock vs xede exhaust back to back from same ditance angle w/ the same camera?

also did you sneak off to nevada to get the 93 octane or something
__________________
RAWRrrrr
teknochild is offline  
0
Reply With Quote
      01-16-2007, 05:21 PM   #18
tinyman
New Member
 
tinyman's Avatar
 
Drives: 335i Space Grey Steptronic
Join Date: Nov 2006
Location: Atlanta

Posts: 21
iTrader: (0)

Garage List
2007 335i Coupe  [0.00]
I called Calvin today to ask about status on my xede order and he suggested that I watch the board for some exciting news. That is amazing - both the performance and the approach to customer service. While I am going nuts waiting for my xede (had the car since September, ordered in early December as soon as they started taking the web orders) I can see that it is time well spent. Still - you can't expect this crowd to be all THAT patient! After all, we do like to go fast.

I am glad to see the discussion re: exhaust systems. I know another member recently received the Hamann exhaust kit and will be installing soon. I also saw Ultimate Racing jumping in the game by at least asking about preferred configurations. Hopefully by mid Spring we'll have options! And some more damn impressive dyno results!
tinyman is offline   United_States
0
Reply With Quote
      01-16-2007, 05:22 PM   #19
Longboarder
Brigadier General
 
Drives: 2013 e92 M3
Join Date: Dec 2006
Location: Monarch Beach

Posts: 3,482
iTrader: (1)

Garage List
2013 e92 M3  [4.93]
2011 997.2 Turbo S  [4.75]
2013 WRX STi  [4.00]
2013 BMW X5  [0.00]
This is getting too crazy.

At some point doesn't all this torque become usless? Traction has to be an issue in now 1st, 2nd and 3rd gears. Is there a way to perhaps reverse-taper boost so that it builds with RPM's...sort of like the centrifugal blowers...so we aren't seeing massive wheelspin?

I'm leasing this thing and don't want to have to spend a couple grand on a quaife.

I can't believe I'm questioning too much power.
__________________
Daily: 2013 e92 M3 DCT / ESS VT2 650 S/C / Akrapovic Evolution / StopTech BBK
Track/Airstrip: 2011 997.2 Turbo S PDK / GIAC Stage 2 (9 second file) / Ohlins coils / R888's
Beater: 2013 X5 3.5sport
YouTube Channel: https://www.youtube.com/channel/UCT1...eoFBszPIK0gf9w
Longboarder is offline  
0
Reply With Quote
      01-16-2007, 05:28 PM   #20
teknochild
Your resident 4um troll
 
teknochild's Avatar
 
Drives: 335 coupe
Join Date: Dec 2006
Location: fl

Posts: 2,021
iTrader: (0)

Quote:
Originally Posted by Longboarder
This is getting too crazy.

At some point doesn't all this torque become usless? Traction has to be an issue in now 1st, 2nd and 3rd gears. Is there a way to perhaps reverse-taper boost so that it builds with RPM's...sort of like the centrifugal blowers...so we aren't seeing massive wheelspin?

I'm leasing this thing and don't want to have to spend a couple grand on a quaife.

I can't believe I'm questioning too much power.
thats why one of the first things im doing is looking into the possibility of wider rear wheels and new rear quarter panels to go with them
__________________
RAWRrrrr
teknochild is offline  
0
Reply With Quote
      01-16-2007, 05:31 PM   #21
schneid4323
Banned
 
Drives: 335i, M6
Join Date: Dec 2006
Location: Dallas TX

Posts: 1,134
iTrader: (0)

Send a message via AIM to schneid4323
um WOW
schneid4323 is offline   United_States
0
Reply With Quote
      01-16-2007, 05:37 PM   #22
Walked U
Brigadier General
 
Drives: RR sport s/c, E82, E89 3.5is
Join Date: Nov 2006
Location: USA

Posts: 3,118
iTrader: (5)

Quote:
Originally Posted by teknochild
thats why one of the first things im doing is looking into the possibility of wider rear wheels and new rear quarter panels to go with them
305's anyone?
__________________
Previous - E90 335i, E82
Current - E89 / Range Rover sport Super charged.
Walked U is offline  
0
Reply With Quote
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -5. The time now is 07:42 PM.




e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST