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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 > New stock turbo Dyno Records



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      05-08-2009, 01:36 PM   #89
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Quote:
Originally Posted by thegeneral101 View Post
Meth seriously is the best. can't understand why more people don't run it.
just waiting for the kit to come out

*cough* shiv *cough*
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      05-08-2009, 01:56 PM   #90
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Shiv


are you looking at having your own Meth kit made or using a pre-existing kit.

I was/am looking at the Aquamist HFS-6......pretty serious piece there.

the user manual : http://www.aquamist.co.uk/HFS6/HFS-6-3w.pdf
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      05-08-2009, 01:58 PM   #91
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Originally Posted by TurboSid View Post
sick numbers. can't wait to get some dp's and exhaust.

Any eta on the meth kit? i hear asr is making it?
in case u missed it
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      05-08-2009, 02:13 PM   #92
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in case u missed it
ahh, is that confirmed? what are they using?
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      05-08-2009, 02:14 PM   #93
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sorry i reposted that for Shiv to answer, it since he never confirmed it.
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      05-08-2009, 10:29 PM   #94
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Shiv,
any idea what a car with out an upgraded intercooler would be able to do ? I know you mentioned once that meth is a better upgrade than a new intercooler because it cools the intake charge soooooo well. I think we should test this . Send me the kit.... lol..
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      05-09-2009, 02:50 PM   #95
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Quote:
Originally Posted by brusso View Post
Shiv,
any idea what a car with out an upgraded intercooler would be able to do ? I know you mentioned once that meth is a better upgrade than a new intercooler because it cools the intake charge soooooo well. I think we should test this . Send me the kit.... lol..
A car without an FMIC would probably make 10-20whp less with a proper tune. You could certainly do a long cooldown and make a "one shot" results with big numbers. But it wouldn't be very stable on the road in real world conditions. A good FMIC, imho, is very important (if not vital) at power levels over 360-370whp on pump gas. On race gas (or better yet, meth), you have a lot more headroom. Maybe 390-400whp. But with the extra 1-2psi pressure loss the stock FMIC suffers at high boost, you will be putting unnecessary stress on your turbos. Stress that a good FMIC can relieve easily.

Shiv
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      05-09-2009, 04:19 PM   #96
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Quote:
Originally Posted by shiv@vishnu View Post
A car without an FMIC would probably make 10-20whp less with a proper tune. You could certainly do a long cooldown and make a "one shot" results with big numbers. But it wouldn't be very stable on the road in real world conditions. A good FMIC, imho, is very important (if not vital) at power levels over 360-370whp on pump gas. On race gas (or better yet, meth), you have a lot more headroom. Maybe 390-400whp. But with the extra 1-2psi pressure loss the stock FMIC suffers at high boost, you will be putting unnecessary stress on your turbos. Stress that a good FMIC can relieve easily.

Shiv

Shiv....

I have an upgraded intercooler + DCI, but stock exhaust and stock downpipes.

Therefore by definition, I am a stage 1 map.

At stage 1 with UT=72%, my procede datalogs show I am making between 13-14 psi, which I believe is the target boost for a stage 1 car.

The car feels good at this setting, so would there be much logic in running higher boost settings at this point ?

It seems to me that the Procede and the DME have compensated for the upgraded VK intercooler so I don't think any further adjustments will yield improvements.

In fact I find the car gets more inconsistent as I extend outside of the recommendations.
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      05-09-2009, 04:42 PM   #97
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In fact I find the car gets more inconsistent as I extend outside of the recommendations.
what do you mean by inconsistent? like varying boost? or, lag?
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      05-09-2009, 04:52 PM   #98
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Originally Posted by TheTwinz View Post
what do you mean by inconsistent? like varying boost? or, lag?
Not as smooth and fluid in power delivery and occasionally some throttle closure.

When the tune is set at recommended settings, it doesn't feel like a turbo.....feels more like a normally aspirated V8.
All I really feel is seamless TORQUE!

As I get outside of the recommended settings, I start to feel the boost a lot more and it also randomly starts to display those symptoms.
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      05-09-2009, 07:26 PM   #99
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Quote:
Originally Posted by Ilma View Post
Not as smooth and fluid in power delivery and occasionally some throttle closure.

When the tune is set at recommended settings, it doesn't feel like a turbo.....feels more like a normally aspirated V8.
All I really feel is seamless TORQUE!

As I get outside of the recommended settings, I start to feel the boost a lot more and it also randomly starts to display those symptoms.
Ah, I get what you are saying. Yeah, try driving the car stock or in valet mode. The car feels soo much heavier and like a NA car rather than a turbo car.
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      05-09-2009, 09:24 PM   #100
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So, when can I driop in the meth kit and start playing with it. I have things setttlled now so should have focus.
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      05-10-2009, 12:37 AM   #101
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Wow. Lucky you. I feel lag, especially at <3000 rpms.

Quote:
Originally Posted by Ilma View Post
Not as smooth and fluid in power delivery and occasionally some throttle closure.

When the tune is set at recommended settings, it doesn't feel like a turbo.....feels more like a normally aspirated V8.
All I really feel is seamless TORQUE!

As I get outside of the recommended settings, I start to feel the boost a lot more and it also randomly starts to display those symptoms.
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      05-12-2009, 12:52 AM   #102
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V3 + meth :

Quote:
Originally Posted by shiv@vishnu View Post
JB3 :

Quote:
Originally Posted by nlakind View Post





So, shiv...

I see that the JB3 guys pushed their tune pretty far and put up similar (ballpark) numbers without meth.

So, I'm wondering what you could do with the meth kit if you just ran a lot more alcohol through it, and used it more as a fueling supplement rather than an IAT regulator.

Would you consider doing a balls-out dyno-queen run pushing for more power?

I mean, if the JB guys could hit around 440 without meth, you should be able to run the meth kit not far short of 500 if you were just as aggressive, right?

-scheherazade
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      05-12-2009, 01:12 AM   #103
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Quote:
Originally Posted by scheherazade View Post
Would you consider doing a balls-out dyno-queen run pushing for more power?

I mean, if the JB guys could hit around 440 without meth, you should be able to run the meth kit not far short of 500 if you were just as aggressive, right?

-scheherazade
Its jsut a back and forth game between the tuners.. Soon we will see new dynos similar to this one from Shiv without the use of meth... and then back and forth. Each tuner is just pushing the envelope higher and higher. Now that Shiv knows its possible to achieve those #s without meth, I'm sure he is working on that right now. But you also have to remember all dynos read differently so.
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      05-12-2009, 01:27 AM   #104
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Quote:
Originally Posted by TheTwinz View Post
Its jsut a back and forth game between the tuners.. Soon we will see new dynos similar to this one from Shiv without the use of meth... and then back and forth. Each tuner is just pushing the envelope higher and higher. Now that Shiv knows its possible to achieve those #s without meth, I'm sure he is working on that right now. But you also have to remember all dynos read differently so.
I've known it's possible to achieve those numbers with just race gas alone. We were making 430whp a year ago running straight 104oct. I just felt that the 91oct+meth combo is more attractive to most people since they can just activate the meth when the want to and make another 40-50whp instantly. And have it last several days and only cost a few bucks per tank.

Shiv
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      05-12-2009, 06:44 AM   #105
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Quote:
Originally Posted by shiv@vishnu View Post
I've known it's possible to achieve those numbers with just race gas alone. We were making 430whp a year ago running straight 104oct. I just felt that the 91oct+meth combo is more attractive to most people since they can just activate the meth when the want to and make another 40-50whp instantly. And have it last several days and only cost a few bucks per tank.

Shiv
And at any given power level, meth/water is easier on the engine.
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      05-12-2009, 09:27 AM   #106
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And at any given power level, meth/water is easier on the engine.
+1. And way more consistent on the road due to its charge cooling advantage.
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      05-12-2009, 10:38 AM   #107
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So it's really 104 vs 91+meth

- 104 can handle higher IAT's without caring as much.
- meth lowers IAT's so 91 can run with the same boost as 104 does

So, let's say you're willing to run 104, how much of a benefit is meth, beyond the slightly denser air on intake?
It should slightly supplement fueling, correct?

- So slightly more air, and slightly more fuel.

I'm really just wondering what is the absolute impact on meth, balls-out vs balls-out.

I.E. run 104, set boost to a matching (aggresive) level, and compare what meth gives you.

I mean this as a curiosity, not as a 'prove to me that meth is good'.
I'm really just curious about how much 'go' you can get out of this thing.

Or is the 5 or so whp benefit really the difference when maxxed out high-octane vs high-octane?
(I know it's not meant for high-octane vs high-octane)

-scheherazade
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      05-12-2009, 10:40 AM   #108
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The other major benefits that you're missing is that meth will last longer (because you're only using it when you want) and be farrrrrr cheaper than running 104 all the time.
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      05-12-2009, 10:55 AM   #109
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Quote:
Originally Posted by scheherazade View Post
So it's really 104 vs 91+meth

- 104 can handle higher IAT's without caring as much.
- meth lowers IAT's so 91 can run with the same boost as 104 does


-scheherazade
I think Meth also increases the octane rating......so that would negate your idea that it only cools things down enough to run on 91 octane.

The cooling is a benefit, but there seems to be an octane increase as well.
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      05-12-2009, 10:57 AM   #110
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it increases the octane rating, cools, is cheaper, and lasts longer. The benefits far outweigh whatever negatives you can think of
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