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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 > Vishnu Stg 2: Inital 91 octane dyno testing



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      01-10-2008, 03:39 AM   #89
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Quote:
Originally Posted by hotrod182 View Post
I will be the first to admit, 390hp on 91 octane....amazing!
You're like the 17th.
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      01-10-2008, 04:36 AM   #90
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Let me be the 18th: great job Shiv, amazing gains!
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      01-10-2008, 05:05 AM   #91
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Shiv would it be possible to do a run with the stock Exhaust....

i.e. intake, Dps and stock exhaust.

Since we haven't found one that doesn't drone yet I'm keen to understand the options with just Dps and Intake.

Thanks

SJ
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      01-10-2008, 05:09 AM   #92
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I think kaji335i is on to something here and i agree with Shiv we have to protect the inviroment. If we look at the supersprint set up with metalic cats some way back and unrestricted dp we get the best of both worlds. As i see it with ur. dp you get rid of some unwantet backpressure caused by the cats in the dp plus a faster spool up time and less heat in the engine
room. From what I´ve read about the s.s. system there is 24hp gain with the full system (ur dp) and only a 10 hp gain with with catback (stock DP)

Last edited by Aridk; 01-10-2008 at 05:35 AM.
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      01-10-2008, 05:37 AM   #93
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Quote:
Originally Posted by 335lvr View Post
Sounds great! Any more info on the Vishnu Prototype intake...availability, price, design?
+1 on the intake. I'm really not feeling the Riss catless DP's for 25whp (though very significant).... its just not a mod I feel comfortable with in a service/ totally catless environmental scenario. Anyone with the motivation to get catless DP's definitely has N ECU modification of some form, and pulling DP's for service is silly. Exhaust, well, I like the ricetastic sound SA ossifer, but DP's cross the line for me at this early stage of ownership. Intake.. easy pull.

I can't wait for the Vishnu intake. What numbers will I see with V2, Eisenmann Race full catback exhaust, and an intake on 92 octane? Maybe -10whp offset from this config?

Last edited by edgarj; 01-10-2008 at 05:59 AM.
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      01-10-2008, 06:22 AM   #94
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^ uhh ok...

GL
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      01-10-2008, 08:56 AM   #95
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I'm completely with all of you, the engine needs more air for the additional power. However, I would like to see a comparison between drop-in filters and the Vishnu intake. I just bought the ITG from Vishnu and I am not sure whether I should better have bought the BMC filter ... or the K&N would be good enough. Some more detailed informations would be great.

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      01-10-2008, 09:46 AM   #96
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Quote:
Originally Posted by hotrod182 View Post
I will be the first to admit, 390hp on 91 octane....amazing!
Quote:
Originally Posted by O-cha View Post
You're like the 17th.

He means that because he's a JB user/supporter that hasn't liked or believed in the PROcede and what it's capable of.

Warren, nice to see you come out and give the PROcede and Shiv props on his tune.

Too be honest though, getting 345-350 rwhp on 91 Octane with no other mods in the PROcede v2 is pretty amazing too.
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      01-10-2008, 09:49 AM   #97
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Quote:
Originally Posted by stillclaimndp View Post

390/390 whp/wtq =

446.7hp/446.7tq at the motor, pretty exciting pump gas #'s on stock intercooler!

Actually closer to
460 hp
460 tq



460 x 15% = 391 (manual)
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      01-10-2008, 10:00 AM   #98
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Quote:
Originally Posted by edgarj View Post
+1 on the intake. I'm really not feeling the Riss catless DP's for 25whp (though very significant).... its just not a mod I feel comfortable with in a service/ totally catless environmental scenario. Anyone with the motivation to get catless DP's definitely has N ECU modification of some form, and pulling DP's for service is silly. Exhaust, well, I like the ricetastic sound SA ossifer, but DP's cross the line for me at this early stage of ownership. Intake.. easy pull.

I can't wait for the Vishnu intake. What numbers will I see with V2, Eisenmann Race full catback exhaust, and an intake on 92 octane? Maybe -10whp offset from this config?

I agree with you on much of that.
That's why Riss is having a difficult time filling their GB on the Catless DP's.
They probably should of developed a high flow catted DP first which would have much great mass appeal.
However, it almost always a numbers game first and foremost, so making the most power first often trumps, but it might be at a cost of lost sales to them.

As for what you'd see with catback exhaust, intake and V2, but on stock DP's on 92 Octane?
Well, it would be a lot less than -10 from that set up.

Without the DP's the tune itself would suffer a bit too (a bit less aggressive).
As you noted, Shiv estimated 25 whp from the DP's and tune.
Probably 15-20 from the DP's alone, and 5-10 from the slightly more aggressive tune.

So with you set up but stock catted DP, you could expect
365 rwhp (25 rwhp less).
You might get close to 370 rwhp from the extra octane (92 vs 91) but that would probably be it.

With high flow catted DP's you could probably add 10 whp to that, for a total of
375-380 rwhp
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      01-10-2008, 10:42 AM   #99
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Very impressive numbers on 91 octane, Shiv I'd like to see this with a stock exhaust. May be a good alternative to using catted DPs. Keep up the good work.
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      01-10-2008, 01:30 PM   #100
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Quote:
Originally Posted by ArmyBimmerDude View Post
Or the noise and other negatives that come with them
Visit www.rissracing.com and listen to the sound clips of catless with stock exhaust. Very good sound in most peoples opinion....

There is no smell issue...?

In regards to the CEL WE still haven't gotton one however there are ways around it even with catless and no tune for it. But most of you have Procede and would have the SIM with the map to avoid it all togeather.
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      01-10-2008, 01:32 PM   #101
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Quote:
Originally Posted by Aridk View Post
I think kaji335i is on to something here and i agree with Shiv we have to protect the inviroment. If we look at the supersprint set up with metalic cats some way back and unrestricted dp we get the best of both worlds. As i see it with ur. dp you get rid of some unwantet backpressure caused by the cats in the dp plus a faster spool up time and less heat in the engine
room. From what I┤ve read about the s.s. system there is 24hp gain with the full system (ur dp) and only a 10 hp gain with with catback (stock DP)
With stock exhaust you still have cats just not on the DP....we are taking the car with the catless DP thru the SMOG TEST ONLY center to see. Since the DPs are covered by the shorud, and you cant see them from the top it will pass the visual.
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      01-10-2008, 01:45 PM   #102
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when can you foresee the catted ones to come out....I want them but not willing to wait as long as people have been waiting for the catless?
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      01-10-2008, 02:08 PM   #103
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My buddy's cousin just got a V2 and Vishnu exhaust installed. I'm going to take a look at his car before I go all out with Active Autowerkes +++++
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      01-10-2008, 07:01 PM   #104
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what is the A/F ratio at 14ish PSI of boost? Considering the direct injection and 10.2 compression ratio of the motor makes it beneficial to make power and all, what is done about the ignition timing since it is not directly controlled? Is the knock prevented by the pro-cede unit by richening up the fuel mixture around peak torque, or is the stock knock control doing the work?
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      01-10-2008, 07:02 PM   #105
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Quote:
Originally Posted by Malekreza11 View Post
what is the A/F ratio at 14ish PSI of boost? Considering the direct injection and 10.2 compression ratio of the motor makes it beneficial to make power and all, what is done about the ignition timing since it is not directly controlled? Is the knock prevented by the pro-cede unit by richening up the fuel mixture around peak torque, or is the stock knock control doing the work?
Hi Terry.
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      01-10-2008, 07:06 PM   #106
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Quote:
Originally Posted by kaji335i View Post
Hi Terry.
my name is Malek. Who is Terry?
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      01-10-2008, 07:09 PM   #107
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Quote:
Originally Posted by Malekreza11 View Post
what is the A/F ratio at 14ish PSI of boost? Considering the direct injection and 10.2 compression ratio of the motor makes it beneficial to make power and all, what is done about the ignition timing since it is not directly controlled? Is the knock prevented by the pro-cede unit by richening up the fuel mixture around peak torque, or is the stock knock control doing the work?
The PROcede actively retards the ignition timing under boost. Sometimes by as much as 6 degrees. This way the factory ECU does not need to respond through negative timing advance trims or knock-induced ignition retard events. Adding fuel to snuff out knock is reasonably ineffective in a DI system.

Shiv
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      01-10-2008, 07:15 PM   #108
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Quote:
Originally Posted by shiv@vishnu View Post
The PROcede actively retards the ignition timing under boost. Sometimes by as much as 6 degrees. This way the factory ECU does not need to respond through negative timing advance trims or knock-induced ignition retard events. Adding fuel to snuff out knock is reasonably ineffective in a DI system.

Shiv
very nice. Thanks for the quick reply.

I wasnt sure if the procede system actively retards timing or not. Based on the instructions to install the unit, it seems like only a few wires, so I was curious as to how its actively retarding timing and monitoring, boost, IGN, RPM, road speed etc...
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      01-10-2008, 07:19 PM   #109
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Quote:
Originally Posted by Malekreza11 View Post
very nice. Thanks for the quick reply.

I wasnt sure if the procede system actively retards timing or not. Based on the instructions to install the unit, it seems like only a few wires, so I was curious as to how its actively retarding timing and monitoring, boost, IGN, RPM, road speed etc...
The same signal (from the Crank angle sensor) it uses to read RPM is the same signal it modifies to advance/retard ignition timing. I cringe at the idea of giving this duty to the stock ECU since it should only be used as a last resort.

Shiv
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      01-10-2008, 07:22 PM   #110
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my name is Malek. Who is Terry?
It was a joke because of your post count.
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