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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 > 403 RWTQ: I am happy!



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      01-21-2008, 03:19 PM   #23
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Quote:
Originally Posted by WilyB View Post
I dynoed the 335 today. I got over 400 RWTQ and 332 RWHP. The AFR looks good.

See graphs below. PDF has the AFR.

V2.02 January edition, 94% setting, Exxon 93.

403.4 RWTQ, assuming a 13% power loss, is 464 lb/ft or 629 Nm for the rest of the planet.


Good job...
Nice to see a dyno on normal gasoline for once.

Wonder why the engine's revband spikes for both HP & TQ @3,700rpms.
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      01-21-2008, 03:20 PM   #24
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Isn't there a Dinan dyno as low as 311 as well by WickedSVT recently.
And then this comparison which dynoed at 314

http://www.e90post.com/forums/showth...ght=dinan+dyno
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      01-21-2008, 03:25 PM   #25
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Quote:
Originally Posted by ybbiz34 View Post
The Dinan flash numbers are starting to look more impressive. Didn't someone on here get 335whp?
personally dinan number is not impress with me at all.. They should have tune 335i to the max. However, they did not because they affraid that engine would blow .. They do aware people will abuse reflash ecu. That is why dinan is low hp and torque number cause of the warranty issue.
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      01-21-2008, 03:26 PM   #26
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Quote:
Originally Posted by E90ice View Post
Yeah, according to Vishnu's dyno.

His hp is NOT low. I got 326 and 2 of my other friends got 330whp as well.

350whp was just marketing BS fron Vishnu!

This is the 6th or 7th dyno around 330whp that I see in the last 7 days.

350whp my ass!!!

Now, the truth is coming out.
Once i get my dynojet run and result from it. If it is still low in whp and wtorque, i will personally sell my Procede v2.02
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      01-21-2008, 03:28 PM   #27
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Quote:
Originally Posted by AWD Addict View Post
HP is just a ratio. Torque is what matters.
Particularly for a daily driver.

Quote:
I'd want to know why it's so rich up top (which is definitely taking some power away), but otherwise, congrats! 400wtq with just a tune and a filter is OBNOXIOUS!
That's why I am wondering if I should increase the boost map to 95, then 96% near the top rpm?
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      01-21-2008, 03:29 PM   #28
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Quote:
Originally Posted by Dustin@Vishnu View Post
I don't understand how you are basing your claims, regarding the differences in dynos. We have seen evos make 390whp on a Dyno Dynamics, and then make 499whp on a dynojet, the very next day. While that example may be a little extreme, because of the large HP numbers to begin with, it is valid. A dynomite dyno is not exactly the industry standard, and it's results should be viewed as such. Without knowing much about a dynomite, I believe it is an eddy-current dyno, which will not only create a lower number than a dynojet, but will also create a different torque curve, due to the way it loads the car. As always, be careful when comparing the results of different dynos.

As for your claims regarding the extra power v2 provides, every install I have personally dynoed has made AT LEAST an extra 20 peak hp at the wheels, with gains much larger when comparing the delta at redline.
i have agree with dustin on this one...
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      01-21-2008, 03:32 PM   #29
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Quote:
Originally Posted by Dustin@Vishnu View Post
I don't understand how you are basing your claims, regarding the differences in dynos. We have seen evos make 390whp on a Dyno Dynamics, and then make 499whp on a dynojet, the very next day. While that example may be a little extreme, because of the large HP numbers to begin with, it is valid. A dynomite dyno is not exactly the industry standard, and it's results should be viewed as such. Without knowing much about a dynomite, I believe it is an eddy-current dyno, which will not only create a lower number than a dynojet, but will also create a different torque curve, due to the way it loads the car. As always, be careful when comparing the results of different dynos.

As for your claims regarding the extra power v2 provides, every install I have personally dynoed has made AT LEAST an extra 20 peak hp at the wheels, with gains much larger when comparing the delta at redline.
This dyno was a DynoJet. I will post graphs for all 3 cars once they email them to me.

me - 326whp with V2, BMC air filter, catless cat-back exhaust (6AT)
k335i - 330whp with V2 only (6MT)
youngbuck - 331whp with V2 only (6MT)

large difference considering great weather temps/conditions. not even close to 350whp.
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      01-21-2008, 03:39 PM   #30
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Atlantic motorsports uses a dynomite.

Two weeks ago I dynoed a v2 update on a bone stock automatic, which made 342whp on 91 with 20" wheels. This was on a dynojet. E90ice, In terms of your results, I would like to know what a stock car baselines on the same dyno, but lets keep that in the thread that you started, and not cause confusion in this one.
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      01-21-2008, 04:29 PM   #31
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Quote:
Originally Posted by LACA335i View Post
personally dinan number is not impress with me at all.. They should have tune 335i to the max. However, they did not because they affraid that engine would blow .. They do aware people will abuse reflash ecu. That is why dinan is low hp and torque number cause of the warranty issue.
In English next time please.

Also, I'm sorry, but are you stupid? How are the Dinan hp and torque figures low? The Procede, a great tune in terms of power, seems to be the only one posting better numbers.

I don't think they are worried about the engine blowing. I think they are worried about the amount of boost the turbos can handle at this point. Are you aware of the fact that Dinan is coming out with bigger/stronger turbos for the 335i?
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      01-21-2008, 05:55 PM   #32
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As others have said, these results are from a Dynomite eddy current dyno. Not a dynojet. So don't bother comparing these results to anything other than this exact dyno. I have used this same dyno before during a dyno day last year. We did have to recalibrate the dyno in order to make it read "like" a Dynojet.

Shiv
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      01-21-2008, 06:10 PM   #33
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Quote:
Originally Posted by shiv@vishnu View Post
We did have to recalibrate the dyno in order to make it read "like" a Dynojet.

Shiv
Do you remember how to recalibrate this dyno by any chance? Do you have a comment on my idea to increase the % boost to 95/96 over 5000 rpm?

I am very happy with 400+ RWTQ.
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      01-21-2008, 06:12 PM   #34
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Quote:
Originally Posted by WilyB View Post
Do you remember how to recalibrate this dyno by any chance? Do you have a comment on my idea to increase the % boost to 95/96 over 5000 rpm?

I am very happy with 400+ RWTQ.
I remember just making some adjustments to the parasitic loss file. But I also remember still getting readers that where higher-than-expected in torque but lower than expected in whp. This is a function of this particular dyno type so trying to tune your car to compensate for the way the dyno reads is kinda backwards.

Shiv
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      01-21-2008, 06:17 PM   #35
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Quote:
Originally Posted by E90ice View Post
Different dynos and temps etc. will not result in a 30whp loss...come on now...

There were three of us 335 with V2 on 92 oct, 58F, 50% Humidity, 94% values, 15psi boost ----- and we all made 330whp.....two days ago, same time, same dyno.

Those are all gread conditions. It doesn't get any better than that.

Dyno differences will not be 20-30whp.

Let's just face it. V2 makes 10whp more than 1.47. Period!
well i guess we now know this was wrong. comparing dyno results of two different dynos = other forum members using this obnoxious smiley
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Last edited by stillclaimndp; 01-21-2008 at 06:58 PM..
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      01-21-2008, 06:21 PM   #36
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Quote:
Originally Posted by WilyB View Post
Particularly for a daily driver.



That's why I am wondering if I should increase the boost map to 95, then 96% near the top rpm?

I'd buzz shiv on it. My guess is that dynometer is the issue, not your car. Get on a dynojet and report back. Mustang Dynos tend to do the opposite of this - where they inflate the higher RPM figures because of the inertia of the mechanism. Do a run with and without the modified boost map assuming you get the advise to up it (you may not, despite the A/F ratio). Obviously, do it on a similar weather day (temp and RH) as well.

Must have been a good day. Coming home with a 400wtq dyno sheet is pretty awesome.
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      01-21-2008, 06:23 PM   #37
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Quote:
Originally Posted by shiv@vishnu View Post
...so trying to tune your car to compensate for the way the dyno reads is kinda backwards.

Shiv
Ok, I will not change a thing.

I located a Dynojet nearby me and I shall make an appointment there.
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      01-21-2008, 06:28 PM   #38
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Quote:
Originally Posted by shiv@vishnu View Post
I remember just making some adjustments to the parasitic loss file. But I also remember still getting readers that where higher-than-expected in torque but lower than expected in whp. This is a function of this particular dyno type so trying to tune your car to compensate for the way the dyno reads is kinda backwards.

Shiv
Great post. Thanks.
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      01-21-2008, 06:31 PM   #39
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Quote:
Originally Posted by E90ice View Post
Different dynos and temps etc. will not result in a 30whp loss...come on now...
Yikes.


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      01-21-2008, 06:33 PM   #40
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Quote:
Originally Posted by WilyB View Post
Ok, I will not change a thing.

I located a Dynojet nearby me and I shall make an appointment there.
I'd also recommending dyno testing with the hood open. With meager intercooler fans, you're underhood temps will skyrocket if you test with the hood closed.

According to the pic u posted, your hood was closed (at least during the time of the pic).

Shiv
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      01-21-2008, 06:34 PM   #41
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Quote:
Originally Posted by shiv@vishnu View Post
I'd also recommending dyno testing with the hood open. With meager intercooler fans, you're underhood temps will skyrocket if you test with the hood closed.

According to the pic u posted, your hood was closed (at least during the time of the pic).

Shiv
Good to know.

Shiv, at what rpm should I start the pull? Thanks.
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      01-21-2008, 07:09 PM   #42
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Quote:
Originally Posted by shiv@vishnu View Post
I'd also recommending dyno testing with the hood open. With meager intercooler fans, you're underhood temps will skyrocket if you test with the hood closed.

According to the pic u posted, your hood was closed (at least during the time of the pic).

Shiv
Good to know indeed. I checked on the video and the hood was wide open. My question about % boost was more due to the rich AFR at high rpm. If I increase the air flow, that should return the AFR towards 12and change, no?
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      01-21-2008, 07:13 PM   #43
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Quote:
Originally Posted by ybbiz34 View Post
Do I really have to put the link in here to embarass you?

I wasn't knocking Procede AT ALL, just saying that the Dinan dyno numbers are turning out to be pretty impressive. Dinan's initial posted numbers received some criticism from skeptics, who believed that the numbers posted were a bit optimistic. It seems now that the Procede is experiencing the same thing. Won't allow hypocrisy around here.

But, here you go again...
Well you sure embarassed me... oh wait, no you didn't. It turned out to be a different type dyno just as I suggested, A Dinan flash would probably get 295-310 whp on this dyno
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      01-21-2008, 07:23 PM   #44
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Quote:
Originally Posted by E90ice View Post
Yeah, according to Vishnu's dyno.

His hp is NOT low. I got 326 and 2 of my other friends got 330whp as well.

350whp was just marketing BS fron Vishnu!

This is the 6th or 7th dyno around 330whp that I see in the last 7 days.

350whp my ass!!!

Now, the truth is coming out.
Wow, E90Ice I always thought of you as one of the fanboys. I stand corrected. I think I need to go in and run the dyno with the hood open as well. The guy who did my run failed to do so.
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