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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 > 123mph Traps on the 335i Sedan on 91 oct + Meth



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      09-28-2011, 01:30 AM   #67
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Quote:
Originally Posted by PlutoniumTans View Post
Everyone say different shit really, I've seen so many setup with the nozzle being at the throttle body with way more hp than our cars
Doesn't make it right.
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      09-28-2011, 01:36 AM   #68
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Quote:
Originally Posted by shiv@vishnu View Post
Doesn't make it right.
Well I can't argue because I don't know, I'm thinking of leaving 1 at the elbow and putting another one right before the elbow on the lower charge pipe Idk I want to read more about it, everyone has their own theories.

Last edited by PlutoniumTans; 09-28-2011 at 01:38 AM.. Reason: But then I also heard it's not good to have it on the bend
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      09-28-2011, 01:41 AM   #69
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Quote:
Originally Posted by PlutoniumTans View Post
Well I can't argue because I don't know, I'm thinking of leaving 1 at the elbow and putting another one right before the elbow on the lower charge pipe Idk I want to read more about it, everyone has their own theories.
I really don't think it's theory. If you put a nozzle just upstream at the throttle body, you will be more prone to misfire and you will see more knock activity. Makes sense given the relatively poor cylinder to cylinder balance you will get. You also won't see much of an IAT drop. But this is because the meth is being sprayed in after the TMAP. But since the DME doesn't see the cooler temps, it won't advance timing passively which means you will still see the absurd timing reduction when IATs climb above 50C. The same temp rise that spraying meth upstream eliminates completely.
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      09-28-2011, 01:54 AM   #70
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Quote:
Originally Posted by shiv@vishnu View Post
I really don't think it's theory. If you put a nozzle just upstream at the throttle body, you will be more prone to misfire and you will see more knock activity. Makes sense given the relatively poor cylinder to cylinder balance you will get. You also won't see much of an IAT drop. But this is because the meth is being sprayed in after the TMAP. But since the DME doesn't see the cooler temps, it won't advance timing passively which means you will still see the absurd timing reduction when IATs climb above 50C. The same temp rise that spraying meth upstream eliminates completely.
I agree on the cylinder distribution part and the sensor, but wouldn't having it somewhere 1ft away from tb and the sensor be the most optimal
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      09-28-2011, 02:15 AM   #71
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Quote:
Originally Posted by PlutoniumTans View Post
Well I can't argue because I don't know, I'm thinking of leaving 1 at the elbow and putting another one right before the elbow on the lower charge pipe Idk I want to read more about it, everyone has their own theories.
yup, everyone has their ways to deal with problem.
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      10-08-2011, 11:57 AM   #72
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I installed an extra nozzle (CM10) today near the outgoing pipe on the intercooler.
I'm using a checkvalve to prevent the line going from the solenoid to the nozzle to become empty.
Nozzle number two (CM7) is placed in the elbow.

I measured the flow and they flow 1300 ml/min.
No hiccups or bog at all!

I'll log as soon as my ACT Clutch is installed.




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      10-08-2011, 12:12 PM   #73
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Quote:
Originally Posted by Big Tom View Post
I installed an extra nozzle (CM10) today near the outgoing pipe on the intercooler.
I'm using a checkvalve to prevent the line going from the solenoid to the nozzle to become empty.
Nozzle number two (CM7) is placed in the elbow.

I measured the flow and they flow 1300 ml/min.
No hiccups or bog at all!

I'll log as soon as my ACT Clutch is installed.




You're meth addict.
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      10-08-2011, 02:38 PM   #74
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Originally Posted by onesuperboi View Post
You're meth addict.
That's correct sir.
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