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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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      01-09-2008, 06:24 PM   #45
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Quote:
Originally Posted by shiv@vishnu View Post
335iheLLraiseR-- No ETA on the map yet. It's based on a tweaked version of v2.0.2. No big changes to it. But we aren't done yet so no release date.

335lvr-- Production intakes are being made right now. Should have them ready to do within 4-6 weeks. Price will be very affordable. I can say no more.

jpsimon-- We should see another 10whp on 93-94oct with no change in boost pressure (same exact map). Just through adaptation alone.

sambonator-- The built-in o2 simulator feature is working right now. Just running it through its paces. One of those things which need some time to fully test out. The nice thing about it is that it is programmable. Love the emoticon, btw. That is sooo going to get me laid. "Hey baby, I'm famous. They even have an icon of my face on the internet."

ArmyBimmerDude--- I hope to test catted version of the DP soon. There will definitely be a different map for it. Big changes... especially in the 6000-7000rpm where catless really seems to help in a huge.

Mr. 5--- Boost pattern for this map is 11-12psi up to ~3000rpm, up to 13psi by 4000rpm, down to 11psi by 4500rpm and then ramping gradually up to 14.9psi by 5000rpm and holding it 6500rpm and then ramping down to 14psi by 7000rpm. It is not flat. If it were, the torque curve wouldn't be as flat as it is. This is with User Tq set to 94% across the board. User Tq values are pretty arbitrary at this point as it all depends on the scaling we decide to go with in the final mapping. Of course, we will leave some extra room for race gas. But I think we will limit torque to 400lbft just for the sake of driveline longevity. No need to make 440+lbft of torque in the low end. Just unneeded stress on the bottom end, clutch and differential.

E90ice-- We have already made 420-430whp before on race gas with stock downpipes. We can certainly make more now but we were already uncomfortably close to the limits of the factory fuel system. Any more power would be silly until we address that limitation.

scottp999-- The intake is a big power adder with v2. Even with stock downpipes running pump gas.

BoLaS-- We might offer a unlimited torque map if there is enough demand for it. But I'd rather not at this point. It's real nice limiting torque as it keeps the engine knock resistant while still able to make tons of power up top.

335lvr-- I never though the intakes sounded like that. I think Terry just started to say that after he found out that I made the ones he has on his car

rideelement247-- The fully programmable built-in o2 sim feature is being tested right now. Will need some more road time before I would consider it done and ready for customers.

Cheers,
Shiv
Since theres no ETA on the map could i please beta test?
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      01-09-2008, 06:31 PM   #46
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Damn impressive numbers Shiv! I run 93 were i live...400whp on 93...impressive
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      01-09-2008, 06:32 PM   #47
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Quote:
Originally Posted by shiv@vishnu View Post
No need to make 440+lbft of torque in the low end. Just unneeded stress on the bottom end, clutch and differential.
440+lbft holly schmoly!
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      01-09-2008, 06:32 PM   #48
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Thanks Shiv. You rock!
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      01-09-2008, 06:33 PM   #49
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E90post feels so peaceful now. Like when I first got here.
I know. I like it too. Less fighting/arguing and more tuning!

shiv
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      01-09-2008, 06:37 PM   #50
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Quote:
Originally Posted by shiv@vishnu View Post
I know. I like it too. Less fighting/arguing and more tuning!

shiv
Yep. Now get back to work!
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      01-09-2008, 06:38 PM   #51
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      01-09-2008, 06:40 PM   #52
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Great work Shiv! Quick question about the DPs. If I had the DPs installed and needed to temporarily take my Procede out for one reason or another would the car be throwing codes? Would I also need to remove my DPs?

Thanks and keep up the good work!
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      01-09-2008, 06:42 PM   #53
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Great work Shiv! Quick question about the DPs. If I had the DPs installed and needed to temporarily take my Procede out for one reason or another would the car be throwing codes? Would I also need to remove my DPs?

Thanks and keep up the good work!
If you remove the PROcede, you will be removing the o2 sim feature. So yes, it is likely that your car will throw catalyst inefficiency codes with catless downpipes. However, there have been some that have been able to run catless downpipes without any kind of o2 sim. I'm just not one of them

Shiv
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      01-09-2008, 06:46 PM   #54
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Nice, nice work Shiv.

390 rwhp
390 rwtq

on 91 Octane with peak hp at 6500 rpms.
Dang that's perfect.

That probably means a solid
400+ rwhp
400+ rwtq
on pump 93 Octane for the states lucky enough to get that!!

BTW, I'll say it again, those Riss Racing DP's seem to be king, making sizeable power gains.

Good job to Vishnu and Riss.
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      01-09-2008, 06:49 PM   #55
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Shiv, Thanks for the followup on all the questions!
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      01-09-2008, 06:50 PM   #56
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Im officially glad I made the Riss purchase now.

Common guys, fill up the fricken group buy!
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      01-09-2008, 06:55 PM   #57
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Man Shiv, if you can tune a race gas version with 96+ Octane to make

425 rwhp
410 rwtq

With just PROcede v2, Riss DP's, catback exhaust, and intake you'd have a super fast (120+ mph trap speed) car set up going.
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      01-09-2008, 06:56 PM   #58
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Shiv, eagerly waiting on a catted DP map.....just not holding my breather as your still working on the catless one.

Great work and nice numbers!!!

I need to pick up an intake sooner than later so I'm anxiously awaiting that as well.
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      01-09-2008, 06:59 PM   #59
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Quote:
Originally Posted by shiv@vishnu View Post
It remains to be seen, but I suspect we'll see 117-118mph trap speeds on pump gas at a real drag strip. Or maybe 148-149mph on a G-tech/Vbox

On race gas, who knows?

shiv
hahahhahahaa 149mph traps
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      01-09-2008, 07:01 PM   #60
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So with race gas what is that going to translate to?
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      01-09-2008, 07:09 PM   #61
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So with race gas what is that going to translate to?
Complete guess.........435whp if he really pushes it. And I hope he does.
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      01-09-2008, 07:15 PM   #62
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so i was wondering if there was actually any solution to fueling (or lack there of) on the horizon?

p.s. great numbers man 390hp+390tq =
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      01-09-2008, 07:29 PM   #63
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Im officially glad I made the Riss purchase now.

Common guys, fill up the fricken group buy!
lol seriously lets get the list filled already

Great work Shiv, Cant wait
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      01-09-2008, 07:32 PM   #64
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Quote:
Originally Posted by shiv@vishnu View Post
Mr. 5--- Boost pattern for this map is 11-12psi up to ~3000rpm, up to 13psi by 4000rpm, down to 11psi by 4500rpm and then ramping gradually up to 14.9psi by 5000rpm and holding it 6500rpm and then ramping down to 14psi by 7000rpm. It is not flat. If it were, the torque curve wouldn't be as flat as it is. This is with User Tq set to 94% across the board. User Tq values are pretty arbitrary at this point as it all depends on the scaling we decide to go with in the final mapping. Of course, we will leave some extra room for race gas. But I think we will limit torque to 400lbft just for the sake of driveline longevity. No need to make 440+lbft of torque in the low end. Just unneeded stress on the bottom end, clutch and differential.
Cheers,
Shiv
Thanks! This map looks really good and promising for all of us DP owners.
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      01-09-2008, 07:38 PM   #65
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I don't mean to be a jockrider... but damn thats impressive.
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      01-09-2008, 07:51 PM   #66
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Quote:
Originally Posted by shiv@vishnu View Post
If you remove the PROcede, you will be removing the o2 sim feature. So yes, it is likely that your car will throw catalyst inefficiency codes with catless downpipes. However, there have been some that have been able to run catless downpipes without any kind of o2 sim. I'm just not one of them

Shiv
Fair enough and pretty much what I expected. I'll probably go for losing a few HP and get the Riss high flow Catted DPs so I can more easily take the piggy out for service visits and ease my environmental conscience oh so slightly.

Thanks for the prompt reply.
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