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Forced Induction Forum
Discuss supercharging, turbocharging and even nitrous and water injection here.

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Old 01-16-2017, 12:34 PM   #1
El Gato Liso
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Join Date: Apr 2013
Location: Toronto
Posts: 21
E46 330i Supercharged looking for more boost in stock engine...water meth inquiryThe

Hey all!

My e46 is charged with a 6psi pulley. I was thinking of grabbing a smaller pulley to aim for roughly 9-psi.

My engine is currently stock and non intercooled. I was thinking of adding a water meth kit to allow safe operation of the higher boost, without intercooling or engine modification.

My question is...how does water/meth kit work along side tuning? I know some may be boost operated...

I'm really trying to wrap my head around the tuning aspect with water/meth. So far all I can think is once X boost is reached, water/meth then comes on and sprays away while boost increases...and ecu is tuned to do its thing with the higher boost, as per normal.

What if the water/meth runs out? Can the ecu be tuned to cut out at X rpm to prevent boost from increasing?

Thanks for any help folks!
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Old 01-18-2017, 01:21 PM   #2
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Join Date: Jan 2014
Location: DC/MD/VA
Posts: 80
My Ride: 03 330ci5 94 840i6mt
Hi Rob
are you running the ESS kit or a centri charger? i would also look at e85 if its available in your area. PEI330ci is probablt going to comment before to long and share an epic kernel of wisdom as adam usually does.
RRT- Epic - Dinan- ESS - Technik - Stoptech - TMS- Arc-8
to many parts to list, i'm overdue for a build thread..
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Old 01-18-2017, 02:09 PM   #3
El Gato Liso
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Join Date: Apr 2013
Location: Toronto
Posts: 21
I have a vortec kit from VF engineering. I'd consider e85 but looking for more practical daily driving type of power
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