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Old 10-08-2012, 02:40 PM   #1
Mr Wrex
Scooby Specialist
 
Member#: 332887
Join Date: Sep 2012
Chapter/Region: Tri-State
Location: Orange County, NY
Vehicle:
2012 WRX stage 2+
DGM (sedan)

Default EWG Setups - EBCS vs MBC vs Hybrid

OK, so I finally got my EWG setup up and running. Currently, I have a Tial 38mm EWG, Grimmspeed UP w/ 38mm flange, and I'm running the hybrid boost control setup. The dump tube vents straight to atmosphere and is loud as a squirrel bumping boots with a donkey. If anyone has questions, feel free to send me a pm and I'll help you as best as I can. Lots of info in this thread, but I can understand if it's too much to skim through to get the answer(s) you may want.




Original post:
Before any decides to flame me, yes I have searched the forums for info (over 20 threads to be specific ). I have figured out a few tidbits of info, but they were lacking in detail. I have been getting boost creep up the bum lately and an EWG seems to be the best way to eliminate it, but I won't get one until I fully understand what setup(s) would work best.

This is what I have gathered from them so far:
1) MBC allows for the constant "screaming" sound at WOT, but bypasses the ECU boost control
3) EBCS produces the flutter sound most of the time because it constantly opens/closes the EWG to maintain target boost

What I'd like to know from you guys is the following:
1) Boost control method (EBCS, MBC, Hybrid?)
2) EWG size (38mm or 44mm?)
3) Do you have wastegate "flutter"? If so, what rpm interval(s) do you hear it at?
4) EWG Spring size
5) Target boost

Please try to avoid derailing this thread or asking questions I want this thread to be informative for us newbs when we decide to run an EWG so that we don't have several new posts a week about them.

Last edited by Mr Wrex; 10-03-2013 at 04:09 PM.
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