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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 > Toronto Dyno Day



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      02-18-2009, 11:02 PM   #89
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Quote:
Originally Posted by untouchableE82 View Post
im going to upload the graph now. though i dont have the .drf file. i didnt have a usb or harddrive on me to get the file of him, but he has a copy of it. why you want the drf file?
for comparisons, but just the graph is cool
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      02-18-2009, 11:05 PM   #90
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how do i post the picture on the thread? i never did it before lol
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      02-18-2009, 11:05 PM   #91
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Originally Posted by untouchableE82 View Post
it was a dyna pack i believe.
yes, they use dyna pack!!
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      02-18-2009, 11:06 PM   #92
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click "manage attachments" and upload your image while in the "go advanced" posting screen
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      02-18-2009, 11:12 PM   #93
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there is the graph and the red lines are the stock map boost vs the map 6 boost.
and im sure you can figure out the other graph
blue is hp and green is tq
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      02-18-2009, 11:13 PM   #94
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Quote:
Originally Posted by Soni View Post
yes, they use dyna pack!!
and in the spring the will be able to drive xi models using dyna pack lol
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      02-18-2009, 11:15 PM   #95
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i think u mean torque-blue, hp- green...

how many runs did u end up doing?
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      02-18-2009, 11:23 PM   #96
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Originally Posted by gian335 View Post
i think u mean torque-blue, hp- green...

how many runs did u end up doing?
yea thats what i mean
i did 3 runs just like the night before
map 6 = 1st run
map 0 = 2nd run
map 6 = 3rd run
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      02-18-2009, 11:37 PM   #97
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The GTR makes around 475 on a dynapack dyno. They read alot higher. You'd need race gas and more boost to make those numbers on a dynojet. But if they have proper fans hit me up untouchable and we can go there next time
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      02-18-2009, 11:43 PM   #98
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Originally Posted by luca335i View Post
The GTR makes around 475 on a dynapack dyno. They read alot higher. You'd need race gas and more boost to make those numbers on a dynojet. But if they have proper fans hit me up untouchable and we can go there next time
it doesnt really read higher, because my torque was about the same. id say it reads a bit more accurate. thats why its a good thing, because not all of us have access to race gas. as for the more boost part, its funny how at 15.5 psi i manage to make these numbers but a 135 with active processor made 419 on a dyno pack with only 13 psi.
they have proper fans and the garage was more organized.
if you want to go we can set up something. though next time i dyno im going to be running either a different map, or going to start from stratch and go with a different tune.
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      02-18-2009, 11:59 PM   #99
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Accuracy wasn't my point. The fact that it reads higher is my point and a proven one as well. Mustang dynos read alot lower than dynojets as well. The whole point of dynoing is to calculate gains over stock. Using the same dyno all the time is useful so you can see the improvements made on the car after new mods. Basically all of us yesterday would of dynoed 20-30 whp more on a dynapack. You gained 89 whp over map 0 and yesterday 72 whp over map 0 which isn't surprising on a dynapack. I gained 86 whp over map 0 yesterday so on a dynapack 100 whp would of been quite possible. The lack of a fan in front of the intercooler when running high boost like map 6 will give inconsistent and lower results. No wonder the ones running the stock IC had graphs that were all over the place compared to mine and yours. Accuracy has nothing to do with the fact that all dynos read differently. In fact no dynos are accurate unless they have the facility Dinan does with 80 mph fans.
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      02-19-2009, 12:10 AM   #100
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Originally Posted by luca335i View Post
Accuracy wasn't my point. The fact that it reads higher is my point and a proven one as well. Mustang dynos read alot lower than dynojets as well. The whole point of dynoing is to calculate gains over stock. Using the same dyno all the time is useful so you can see the improvements made on the car after new mods. Basically all of us yesterday would of dynoed 20-30 whp more on a dynapack. You gained 89 whp over map 0 and yesterday 72 whp over map 0 which isn't surprising on a dynapack. I gained 86 whp over map 0 yesterday so on a dynapack 100 whp would of been quite possible. The lack of a fan in front of the intercooler when running high boost like map 6 will give inconsistent and lower results. No wonder the ones running the stock IC had graphs that were all over the place compared to mine and yours. Accuracy has nothing to do with the fact that all dynos read differently. In fact no dynos are accurate unless they have the facility Dinan does with 80 mph fans.
yea i get your point.
first of all the fan that they were using was position way to far from the car
and the place i went today it put one big fan in front of the car and then two fans closer to the IC. but obviously no dyno is accurate because it is still 10% or so less than what you can push to the wheels from what i hear.
but we can always go dyno again on a dynopack and see the graph.
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      02-19-2009, 12:24 AM   #101
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Quote:
Originally Posted by untouchableE82 View Post
it doesnt really read higher, because my torque was about the same. id say it reads a bit more accurate. thats why its a good thing, because not all of us have access to race gas.

Racing Fuel is available locally in Mississauga:
(but you probably already knew that)

http://www.proracingfuels.com/Products.html

Contact: Pro Racing fuels
16 James St
Mississuaga, Ont.
L5M 1R5
Tel: 905-858-9320
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      02-19-2009, 12:33 AM   #102
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Originally Posted by Ilma View Post
Racing Fuel is available locally in Mississauga:
(but you probably already knew that)

http://www.proracingfuels.com/Products.html

Contact: Pro Racing fuels
16 James St
Mississuaga, Ont.
L5M 1R5
Tel: 905-858-9320
you do realize how much RACE FUEL cost?
im not going to go get race fuel to drive around toown with it. if im going to get it ill make it worth the time.
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      02-19-2009, 12:48 AM   #103
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Quote:
Originally Posted by untouchableE82 View Post
you do realize how much RACE FUEL cost?
im not going to go get race fuel to drive around toown with it. if im going to get it ill make it worth the time.

Nice response.

Stupid of me to try and help.

Won't make that mistake again
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      02-19-2009, 12:55 AM   #104
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Quote:
Originally Posted by untouchableE82 View Post
there is the graph and the red lines are the stock map boost vs the map 6 boost.
and im sure you can figure out the other graph
blue is hp and green is tq
I haven't heard any comments about the smoothness of this graph. Does it look okay to some of you?

I'm still trying to find out what all this talk about smoothness is about. I can't imagine mine being smoother or more desirable on my JB3 Map#6. I usually get up to speed just fine on map #6, and then in most of your driving when you are just cruising, you barely have any pressure on the gas pedal anyways. This car accelerates so strongly, that you would be going over the speed limit very quickly if you have any more throttle than just slight pressure to maintain your speed.
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      02-19-2009, 01:19 AM   #105
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+1. Sometimes higher boost on a dyno is a no no without adequate airflow. I'm sure the stock IC is fine in real world driving conditions. But I did learn that the stock ICs are a weak link. Untouchables and my graph were the smoothest ones because the larger ICs helped.But Hotrods description of how map 6 runs is right on target with my experience. It pulls like a freight train at WOT and partial throttle is quite smooth and decieving when you look at the the tach and realize how fast yer going.
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      02-19-2009, 01:22 AM   #106
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hotrod - are you still stock and on 91 octane with map 6? No issues?

What is your favorite map for everyday driving?
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      02-19-2009, 02:14 AM   #107
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Quote:
Originally Posted by Ilma View Post
Nice response.

Stupid of me to try and help.

Won't make that mistake again
didnt seem like you were trying to help.
seem like you trying to criticize the fact when i said i dont have access to race fuel.
but sorry if things were misinterpreted
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      02-19-2009, 02:17 AM   #108
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Originally Posted by hotrod182 View Post
I haven't heard any comments about the smoothness of this graph. Does it look okay to some of you?

I'm still trying to find out what all this talk about smoothness is about. I can't imagine mine being smoother or more desirable on my JB3 Map#6. I usually get up to speed just fine on map #6, and then in most of your driving when you are just cruising, you barely have any pressure on the gas pedal anyways. This car accelerates so strongly, that you would be going over the speed limit very quickly if you have any more throttle than just slight pressure to maintain your speed.
but when you talk about smoothness i still dont believe that this graph is smooth, even though luca335 states that mine n his graph was the smoothest because of the IC the boost is still never constant. you can tell by the ups and downs in the line on the graph. ive been looking over the graphs for the whole day. and thats why i dyno'ed it again.
but when i compare this to AA graph
AA is much more smoother because boost is constant, and doesnt just kick in at a certain rpm if you get what i mean.
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      02-19-2009, 09:40 AM   #109
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Quote:
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hotrod - are you still stock and on 91 octane with map 6? No issues?

What is your favorite map for everyday driving?
My car runs absolutely great on 91 octane, Map #6. A legitimate low 12 second combination with the 91 octane. Hotter temps, higher elevations may be a different story though. I've been running it in temps from 39F-82F with no problems though.
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      02-19-2009, 10:19 AM   #110
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Quote:
Originally Posted by hotrod182 View Post
My car runs absolutely great on 91 octane, Map #6. A legitimate low 12 second combination with the 91 octane. Hotter temps, higher elevations may be a different story though. I've been running it in temps from 39F-82F with no problems though.
it seems your car is allergic to dynos, how do you know smooth the car is? butt dyno's are not calibrated.

There is a 40 ft lb of torque drop on many of those cars, that's VERY significant in a driving scenario.
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