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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 > Went to the dyno again - GIAC Stage 2 and Stage 2 Race



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      04-13-2011, 05:36 AM   #1
tscdennab
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Went to the dyno again - GIAC Stage 2 and Stage 2 Race

Went to the dyno today to test GIAC Stage 2 Race map with methanol injection. Everything went flawless, as expected from GIAC and Aquamist. I have also tested the standard Stage 2 map with meth injection.

Mods: Wagner Intercooler, Macht Schnell 3" coated downpipes, BMW Performance Exhaust (no cats), Aquamist HFS-2 methanol injection, custom Mr.5-style intake.

My observations: On the Stage 2 map, I got identical results with and without methanol injection. But the "without" test was done in the winter, methanol will probably help alot in the summer.

Baseline: 249whp (on the same dyno).
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      04-14-2011, 12:43 AM   #2
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Is this on stock turbo??
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      04-14-2011, 12:59 AM   #3
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Can you assist in reading the numbers correctly? HP and TRQ.
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      04-14-2011, 01:30 AM   #4
tscdennab
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Originally Posted by jam230rr View Post
Is this on stock turbo??
Yes.
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      04-14-2011, 01:52 AM   #5
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Originally Posted by 99three View Post
Can you assist in reading the numbers correctly? HP and TRQ.
Well, just read the "max" column HP = 355 (it was 355.6 but the Mustang rounds them) and TRQ = 555 NM (this means 410lb-fts of torque). All the numbers are at the wheels, weather corrected.
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      04-14-2011, 04:52 AM   #6
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Nice numbers! Must be cool to drive. Now come over to the Nürburgring and give it something proper to do!

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      04-14-2011, 05:53 AM   #7
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Originally Posted by Alpina_B3_Lux View Post
Nice numbers! Must be cool to drive. Now come over to the Nürburgring and give it something proper to do!

Alpina_B3_Lux
Yes, it's extremely linear and powerful. I'm very pleased with my current setup.

I really do think about coming to Nurburgring for a short vacation this summer, but I am afraid of possible track accidents...I have never been to a race track before. Is there a set of rules to be followed at Nurburgring published somewhere on the Internet ?
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      04-14-2011, 06:40 AM   #8
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Quote:
Originally Posted by tscdennab View Post
Yes, it's extremely linear and powerful. I'm very pleased with my current setup.

I really do think about coming to Nurburgring for a short vacation this summer, but I am afraid of possible track accidents...I have never been to a race track before. Is there a set of rules to be followed at Nurburgring published somewhere on the Internet ?
The 'Ring (and I'm talking about the North Loop / "Nordschleife" and not the Grand Prix circuit) is a public one-way toll road without speed limit. So the rules of public traffic apply, and in addition you have to pay attention to the flags signalling an accident.

If it's your first time, go there with someone who knows the track and can show you what to do, or do some "scenic" laps first to get to know the circuit a bit. Real knowledge starts at 50-100 laps only, anyway. It's probably easier to go there during the week when it's not as crowded as during the week-ends, but during the week the 'Ring is usually only open for two hours at the end of the day (the rest being mostly reserved for car industry testing and competition trainings).

Would be cool to meet up - I'm just a good hour away from the 'Ring and go there quite frequently. Let me know when you'd like to come - I'm also organising a training on the 18th of July, if you're interested PM me.

Sorry for the OT!

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      04-14-2011, 10:36 AM   #9
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Thanks! Very nice numbers.
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      04-14-2011, 09:07 PM   #10
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Nice!!
I'm getting a GIAC stage 1 installed next tuesday. If I purchase Race gas and switch to the race gas map how much WHP and torque should I have? I believe GIAC and intake is about 330whp. How much more with race gas?
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      04-14-2011, 10:04 PM   #11
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why are you making peak tq at 4200 rpms !?!?
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      04-15-2011, 02:44 AM   #12
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Originally Posted by E90Vader View Post
Nice!!
I'm getting a GIAC stage 1 installed next tuesday. If I purchase Race gas and switch to the race gas map how much WHP and torque should I have? I believe GIAC and intake is about 330whp. How much more with race gas?
You will not gain anything with race gas instead of pump gas on that map (I tried on Stage 2 with and without methanol) and it's pretty logical.

BUT GIAC also has a Stage 1 Race map for race gas (or meth) which provides +67-70whp over stock (as opposed to 55-60 for the regular Stage 1 -at the same boost levels but higher timing advance) and I would highly recommend you to get the map switcher and the two maps (Stage 1 and Stage 1 Race) together.

Last edited by tscdennab; 04-15-2011 at 02:50 AM..
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      04-15-2011, 02:49 AM   #13
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Quote:
Originally Posted by Litos View Post
why are you making peak tq at 4200 rpms !?!?
I don't know why I just know that GIAC makes less torque down low compared to piggybacks and I think it's by design, I know they tested their flash on multiple race cars and probably felt that this torque curve is the best. I surely hope this will save my clutch
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      04-15-2011, 01:38 PM   #14
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Quote:
Originally Posted by tscdennab View Post
You will not gain anything with race gas instead of pump gas on that map (I tried on Stage 2 with and without methanol) and it's pretty logical.

BUT GIAC also has a Stage 1 Race map for race gas (or meth) which provides +67-70whp over stock (as opposed to 55-60 for the regular Stage 1 -at the same boost levels but higher timing advance) and I would highly recommend you to get the map switcher and the two maps (Stage 1 and Stage 1 Race) together.

Oh for sure! Thats what I mean.
The Discount this month for GIAC includes a remote to switch from the various maps so I will be able to switch to the GIAC Race Map designed for 100+ octane.

Good to know that I'll have an extra 10WHP just by switching and throwing in some more gas.
Now, you mentioned Meth, would this mean a Meth kit? then run on the race map?
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      04-15-2011, 02:02 PM   #15
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Quote:
Originally Posted by tscdennab View Post
I don't know why I just know that GIAC makes less torque down low compared to piggybacks and I think it's by design, I know they tested their flash on multiple race cars and probably felt that this torque curve is the best. I surely hope this will save my clutch
aahh ok, i guess it's personal preference then.

i like my tq curve moved to the left by @ 2K. low end grunt makes most people happier than tits.
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      04-15-2011, 02:03 PM   #16
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Only way to reap the benefits of methanol is the ability to add more boost and more ignition.
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      04-15-2011, 02:39 PM   #17
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Put it on a Dynojet.

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      04-15-2011, 02:44 PM   #18
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Quote:
Originally Posted by E90Vader View Post
Oh for sure! Thats what I mean.
The Discount this month for GIAC includes a remote to switch from the various maps so I will be able to switch to the GIAC Race Map designed for 100+ octane.

Good to know that I'll have an extra 10WHP just by switching and throwing in some more gas.
Now, you mentioned Meth, would this mean a Meth kit? then run on the race map?
It's in fact 15whp more, but this doesn't tell the whole story. The race gas maps feel a lot stronger than regular maps, the area under power and torque curves is much larger and there are some portions on the power band where the power difference is significantly bigger than the peak difference.

By meth I mean a meth kit, yes. Methanol raises the octane rating of fuel and allows you to run the race map without having to buy expensive race gas. GIAC tested the Stage 2 Race with a 50/50 water/meth mixture and pump gas. I suppose they tested the Stage 1 Race maps in the same way.
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      04-15-2011, 03:39 PM   #19
tscdennab
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Put it on a Dynojet.

On the same dyno an e92 M3 with software and upgraded air filter made 350whp, so I'm pretty happy with the 356whp result
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      04-15-2011, 06:47 PM   #20
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Quote:
Originally Posted by tscdennab View Post
The race gas maps feel a lot stronger than regular maps, the area under power and torque curves is much larger and there are some portions on the power band where the power difference is significantly bigger than the peak difference.
so the GIAC race gas map feels like a Procede or Cobb !??!
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      04-15-2011, 06:48 PM   #21
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i'm not afraid to say it dude, i don't like the way that graph looks.

i bet the car feels "smoother" because there is ZERO POWER before you hit 4200rpms.

you're driving an NA car it seems HAHAHA !!!
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      04-15-2011, 06:51 PM   #22
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Quote:
Originally Posted by tscdennab View Post
On the same dyno an e92 M3 with software and upgraded air filter made 350whp, so I'm pretty happy with the 356whp result
That actually makes your results look even worse. Most full bolt on guys running meth simply CRUSH m3s with a flash and filters
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