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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 > V2 dyno today... 441WTQ!!



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      12-11-2007, 01:54 PM   #45
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Quote:
Originally Posted by Terry335 View Post
AF look good to me!

What happens if you change the values below 4000rpm and raise them above 4000rpm? Maybe you can rescale the boost curve a bit?
I could try to lower it a little below 4000 and raise up a bit above and see what happens but i wont be able to get on the dyno again for a few so i might as well wait for the downpipe map and then go...
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      12-11-2007, 02:01 PM   #46
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Down4it,

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Nice numbers man!
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      12-11-2007, 02:02 PM   #47
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Quote:
Originally Posted by down4it View Post
I could try to lower it a little below 4000 and raise up a bit above and see what happens but i wont be able to get on the dyno again for a few so i might as well wait for the downpipe map and then go...
Before you do anything to the User TQ figures, run a datalog (3rd gear 2000rpm to 7000rpm) and post the graphs up. Hard to know what changes to make unless we know our starting point.

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      12-11-2007, 02:06 PM   #48
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Quote:
Originally Posted by shiv@vishnu View Post
Before you do anything to the User TQ figures, run a datalog (3rd gear 2000rpm to 7000rpm) and post the graphs up. Hard to know what changes to make unless we know our starting point.

shiv
Ill do that tonight then Thanks for all the support!
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      12-11-2007, 02:23 PM   #49
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What kind of dyno were you on?
Dynojet.
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      12-11-2007, 02:28 PM   #50
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Quote:
Originally Posted by Terry335 View Post
AF look good to me!

What happens if you change the values below 4000rpm and raise them above 4000rpm? Maybe you can rescale the boost curve a bit?


I just wonder why would want to look at A/F Ratio. A/F reading does not matter at all because you are not probby before th cat. You are reading after the First set of cat(O2B1 and OSB2) However, if you dont have any cat at all on your car. it is very important to obtain A/F reading. to see how rich or lean ..
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      12-11-2007, 02:30 PM   #51
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Quote:
Originally Posted by down4it View Post
Ill do that tonight then Thanks for all the support!

Do you have all of your Cat Removed from your car? there are total of 4 cat on your cat. first primary cat (2) and than your Afterburner Cat(2).

2nd question.. Do you have OEM DP when u dyno it?
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      12-11-2007, 02:46 PM   #52
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Originally Posted by who's ur daddy? View Post
Dynojet.
Then its an apples to apples comparison i think since we were both on a dynojet...
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      12-11-2007, 02:50 PM   #53
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Great freakin numbers man. Congradss
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      12-11-2007, 02:51 PM   #54
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Originally Posted by LACA335i View Post
Do you have all of your Cat Removed from your car? there are total of 4 cat on your cat. first primary cat (2) and than your Afterburner Cat(2).

2nd question.. Do you have OEM DP when u dyno it?
I have no cats on my car, when they did the dyno i wanted to check the A/F ratios to see if the car was running too lean with all the mods i have... They plugged an o2 sensor into the rear o2 location on the downpipe for the reading so it would be more accurate than from the tailpipe.

My car on a dynojet with just Procede and exhaust with secondary cat delete (only mods to the car) yeilded 339whp and 377wtq...

Heres my old dyno and the new one...

So becuase the CF is SAE and not standard like Shiv said it would be higher numbers if it was standard... either way going by this on a map not made for the mods i have i picked up 30whp and 65lb-tq to the wheels with some bolt-ons... I think its good but i think it will be better when i get a map made for the mods i have and then see if i can dyno again with values at 98-100% on 100oct straight and see what happens!
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      12-11-2007, 03:37 PM   #55
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Quote:
Originally Posted by down4it View Post
Then its an apples to apples comparison i think since we were both on a dynojet...
I don't think it works that way. There are even differences between dynos, weather, temps, etc.

Probably better than a Mustang to a Dynojet comparison, but your numbers can't be compared 100% to mine. I was just thinking that if our dynos were in fact similar, you have at least 80+ more tq.
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      12-11-2007, 03:53 PM   #56
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DAMN! That is a huge tq figure you got there... very nice.
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      12-11-2007, 04:00 PM   #57
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Congrats... 441wtq!!! You have more power than two of my cars!
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      12-11-2007, 04:01 PM   #58
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Congrats... 441wtq!!! You have more power than two of my cars!
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      12-11-2007, 04:26 PM   #59
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sweet numbers... ah crap, now i want dp's + exhaust... =\
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      12-11-2007, 04:29 PM   #60
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Quote:
Originally Posted by who's ur daddy? View Post
I don't think it works that way. There are even differences between dynos, weather, temps, etc.

Probably better than a Mustang to a Dynojet comparison, but your numbers can't be compared 100% to mine. I was just thinking that if our dynos were in fact similar, you have at least 80+ more tq.
Yeah you are right, i just meant it wouldnt be too far off like you said comparing a mustang dyno to a dynojet...
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      12-11-2007, 04:30 PM   #61
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Congrats... 441wtq!!! You have more power than two of my cars!
Now thats funny

Thanks for all the kind words fellas!! As i keep getting more data i will post it!!
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      12-11-2007, 07:26 PM   #62
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Quote:
Originally Posted by down4it View Post

Heres my old dyno and the new one...

So becuase the CF is SAE and not standard like Shiv said it would be higher numbers if it was standard... either way going by this on a map not made for the mods i have i picked up 30whp and 65lb-tq to the wheels with some bolt-ons... I think its good but i think it will be better when i get a map made for the mods i have and then see if i can dyno again with values at 98-100% on 100oct straight and see what happens!
So you gained 30whp from intercooler, cai, downpipes, and v2? Am I reading this correctly?
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      12-11-2007, 07:28 PM   #63
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Quote:
Originally Posted by jcarlucci1 View Post
So you gained 30whp from intercooler, cai, downpipes, and v2? Am I reading this correctly?
looks like 2 different dynos though...
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      12-11-2007, 07:34 PM   #64
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Quote:
Originally Posted by down4it View Post
I have no cats on my car, when they did the dyno i wanted to check the A/F ratios to see if the car was running too lean with all the mods i have... They plugged an o2 sensor into the rear o2 location on the downpipe for the reading so it would be more accurate than from the tailpipe.

My car on a dynojet with just Procede and exhaust with secondary cat delete (only mods to the car) yeilded 339whp and 377wtq...

Heres my old dyno and the new one...

So becuase the CF is SAE and not standard like Shiv said it would be higher numbers if it was standard... either way going by this on a map not made for the mods i have i picked up 30whp and 65lb-tq to the wheels with some bolt-ons... I think its good but i think it will be better when i get a map made for the mods i have and then see if i can dyno again with values at 98-100% on 100oct straight and see what happens!
How did you gain that when you are posting similar numbers to Shiv's car than only has a cat-back?
Not flaming...just curious...
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      12-11-2007, 07:40 PM   #65
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Quote:
Originally Posted by E90ice View Post
How did you gain that when you are posting similar numbers to Shiv's car than only has a cat-back?
Not flaming...just curious...
VISHNU is a tuner, he does it for a living, don't u think Vishnu has had a VERY AGressive map on his car that isn't offered to the public and is pushing the boost levels more than Down4it??
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      12-11-2007, 07:48 PM   #66
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Originally Posted by *****ed335BMW View Post
VISHNU is a tuner, he does it for a living, don't u think Vishnu has had a VERY AGressive map on his car that isn't offered to the public and is pushing the boost levels more than Down4it??
Actually no. I'm running the same v2.0.2 map that is on the website. Everything explained here: http://www.e90post.com/forums/showthread.php?t=100073


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