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      01-04-2010, 03:01 AM   #1
M3_LIN
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09E90M3(Megan)'s FIRST Baseline dyno at Gintani Motorsports

Hey guys,

I went to see Alex at Gintani last week before the new years to get a baseline dyno. I totally forgot i had the Macht Schnell Filter until i was driving home. So the car is NOT stock. It has the M&S filter.

Results: 310wHP and 225wTQ. Average i guess. or semi low. oh wellz.

Pics: Megan getting strapped down:



After Three Runs:


End result(4th run was the highest): Highest TQ and HP run:


Video:


Ran a total of 5 runs. The fifth run, it was losing power. Whatcha guys think? Low? Avg? High?(doubtful)

Gonna do a dyno after i get all the ENVY pieces from Tecnocraft. See if it makes HP!!!!

Thanks again to Alex at GINTANI. Arnold and Josh were great people to talk with. Friendly and knowledgeable.

Ed Lin
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      01-04-2010, 03:48 AM   #2
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Do just the charge pipe first, then try the rest
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      01-04-2010, 04:10 AM   #3
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Can't seem to stop starring at those LM-Rs. What are the specs of them? If you had a different exhaustsystem setup im sure you'd get more whp and more wtq.
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      01-04-2010, 05:06 AM   #4
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Nice! Never seen a dyno, it was pretty cool looking at those lines i kept hoping to see them go up higher lol

Are the wheels 19's or 20s? Did that make a difference maybe in power?
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      01-04-2010, 05:50 AM   #5
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      01-04-2010, 08:16 AM   #6
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nice...loving the E90 in AW
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      01-04-2010, 08:44 AM   #7
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Quote:
Originally Posted by leeor View Post
Are the wheels 19's or 20s? Did that make a difference maybe in power?
That is exactly what I was going to post. They look like 20s, which is A LOT of wheel to have to spin.
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      01-04-2010, 09:12 AM   #8
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Megan? Seriously?

You are right where you should be whp wise.
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      01-04-2010, 09:20 AM   #9
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Quote:
Originally Posted by Sticky View Post
Megan? Seriously?

You are right where you should be whp wise.
He must be a very good looking metrosexual.
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      01-04-2010, 09:21 AM   #10
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Originally Posted by Technic View Post
He must be a very good looking metrosexual.
Haha, maybe, I've met a couple Megan's I would not mind strapping down.
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      01-04-2010, 10:09 AM   #11
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Man I really like that offset but 20s do hinder performance tho
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      01-04-2010, 11:38 AM   #12
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car looks great ! I am sure Megan will gain more hp very soon
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      01-04-2010, 12:05 PM   #13
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that dyno reads low right around 20whp right?

i love your rims btw!

my m3 will be named 'kelly' lol
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      01-04-2010, 12:24 PM   #14
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im pretty sure the added weight of your rims and tires contributes to loss of hp at the wheels....

but i also have heard dyno dynamics does read a bit lower...

throw on your stock wheels the next time your on the rollers!
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      01-04-2010, 02:33 PM   #15
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car looks awesome !
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      01-04-2010, 05:27 PM   #16
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these numbers are scaring me.... im about to call he sale agent and tell him i dont want it anymore. man stop playn!!!!!!!!
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      01-04-2010, 05:37 PM   #17
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      01-04-2010, 05:55 PM   #18
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Should be around 345 - 360 wheel HP bone stock with the 6 speed manual (even on an 18% drivetrain loss).

Two plausible explanations:

- Your wheels are too heavy and too big to spin on the roller dyno.

- According to what resident expert PencilGeek had mentioned before, the S65 engine needs A LOT of air especially at high rpms. If it does not get the required air being crammed into the intakes, the ECU cuts back on the power. If you had fans at the front of the car, it is very likely you would have dyno'ed heigher.
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      01-04-2010, 06:02 PM   #19
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Quote:
Originally Posted by 330CIZHP View Post
Should be around 345 - 360 wheel HP bone stock with the 6 speed manual (even on an 18% drivetrain loss).

Two plausible explanations:

- Your wheels are too heavy and too big to spin on the roller dyno.

- According to what resident expert PencilGeek had mentioned before, the S65 engine needs A LOT of air especially at high rpms. If it does not get the required air being crammed into the intakes, the ECU cuts back on the power. If you had fans at the front of the car, it is very likely you would have dyno'ed heigher.
#2 reason would have affected other cars on the same dyno unless they were tested under different conditions.

What are some of the results of other stock cars on that same dyno?
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      01-04-2010, 06:19 PM   #20
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Some cars need more air than others. Particularly, high revving engines with very high compressions.

That is why this affect will not show consistently across different cars on the same dyno since most cars do not rev over 6500 rpm.

S65 needs more air than most engines (hence the 3 intakes rather than 1).

Quote:
Originally Posted by smmmurf View Post
#2 reason would have affected other cars on the same dyno unless they were tested under different conditions.

What are some of the results of other stock cars on that same dyno?
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      01-05-2010, 04:05 AM   #21
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Quote:
Originally Posted by FStop7 View Post
Do just the charge pipe first, then try the rest
thats already been done before. I may do it. Its a bit of a hassel tho. I was just thinking about bolting on ALL the envy setup. We'll see. hopefully i wont get too lazy.

Quote:
Originally Posted by sehrgut View Post
Can't seem to stop starring at those LM-Rs. What are the specs of them? If you had a different exhaustsystem setup im sure you'd get more whp and more wtq.
Those are the "amuse" setup. Specs in my sig: 20X9 +8 and 20X10 +18. Yea, im thinking of getting the gintani sport exhaust. Or maybe Arquay, Dixie, or Amuse and shorten the tips or Kressig.

Quote:
Originally Posted by leeor View Post
Nice! Never seen a dyno, it was pretty cool looking at those lines i kept hoping to see them go up higher lol

you and me both!

Are the wheels 19's or 20s? Did that make a difference maybe in power?
20s. Yea i have heard it does make a difference in pwr.
Quote:
Originally Posted by Sticky View Post
Megan? Seriously?

You are right where you should be whp wise.
Whats wrong with MEGAN!?!?!?!! She's named after Megan Fox.

Quote:
Originally Posted by Sticky View Post
Haha, maybe, I've met a couple Megan's I would not mind strapping down.
+1

Quote:
Originally Posted by M2381 View Post
Man I really like that offset but 20s do hinder performance tho
Yea 20s do hinder performance. Well, with the step lip, the face is only a 19" face so if i did 19" then the face would be 18". It would look too small IMO.

Quote:
Originally Posted by doba_s View Post
car looks great ! I am sure Megan will gain more hp very soon
Thank you. Yes, yes she will.

Quote:
Originally Posted by duk View Post
that dyno reads low right around 20whp right?

i love your rims btw!

my m3 will be named 'kelly' lol
yea, i heard that dyno dynamics are known to read low!

Quote:
Originally Posted by xchosun1x View Post
im pretty sure the added weight of your rims and tires contributes to loss of hp at the wheels....

but i also have heard dyno dynamics does read a bit lower...

throw on your stock wheels the next time your on the rollers!
well, i wanted to know how much power i was putting down on the 20s since i am gonna daily on them!

Quote:
Originally Posted by PIMP "E" View Post
these numbers are scaring me.... im about to call he sale agent and tell him i dont want it anymore. man stop playn!!!!!!!!
LOL, just get it, you'll love it

Quote:
Originally Posted by dmerk1978 View Post
haa how do a sign-up for a name for my car
hmm...... u just PICK one?!?!?1

Quote:
Originally Posted by 330CIZHP View Post
Should be around 345 - 360 wheel HP bone stock with the 6 speed manual (even on an 18% drivetrain loss).

Two plausible explanations:

- Your wheels are too heavy and too big to spin on the roller dyno.

- According to what resident expert PencilGeek had mentioned before, the S65 engine needs A LOT of air especially at high rpms. If it does not get the required air being crammed into the intakes, the ECU cuts back on the power. If you had fans at the front of the car, it is very likely you would have dyno'ed heigher.
Hrm, there was a fan in the front of the car. Multiple fans actually. guess it just needed MORE MORE MORE air!!!!

Thanks for all the compliments guys.

Ed Lin
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      01-05-2010, 05:57 AM   #22
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Quote:
Originally Posted by M3_LIN View Post

Results: 310wHP and 225wTQ. Average i guess. or semi low. oh wellz.





After Three Runs:


End result(4th run was the highest): Highest TQ and HP run:


Video:


Ran a total of 5 runs. The fifth run, it was losing power. Whatcha guys think? Low? Avg? High?(doubtful)

Gonna do a dyno after i get all the ENVY pieces from Tecnocraft. See if it makes HP!!!!

Ed Lin
Yea Ed, you are definitely down on power for some reason.

298rwhp? That's equivalent to 28% drivetrain loss...

That's low even for a Dyno Dynamics. (which does read conservative)

Given the 69 degree air temps during these runs, those numbers should be higher.

With a Macht Schnell free-flowing aftermarket air filter (in place of the restrictive stock charcoal-impregnated paper filter) your car should have made some consistent runs in the 315-325 rwhp range on 91 octane fuel.

Again, we aren't talking about 95+ degree temps in the middle of July here.

Yes, I do agree that your 20" wheels did drive your number down a little bit, but a sub 300rwhp number is very low for the E92 M. (in cool weather conditions)

Three of your five dyno pulls were 306 rwhp or less.

Four of your five dyno pulls were 307 rwhp or less. (that eliminates the chances of some random anomaly)

And the worst two pulls average out to ~ 300rwhp. (298 & 301)

That's low dude...

It indicates a pattern.

I suggest that you check your ECU's OBD-II port for any stored engine codes. (and post the results here)

Also make a return trip to the dyno (with your stock wheels installed) to remove the LM-R's from the equation.

I don't believe your 20" wheels are the source of the problem, since they are only 25.3 & 25.5 lbs each. (front and rear)
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