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Old 06-15-2013, 08:41 PM   #1
racingbeck22
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Default greddy ebc help please

Can someone lead me in the right direction on the proper settings on my greddy ebc. I have a fully built 2.5 with a dom 2.5 polka turbo. Trying to set ebc for 24lbs with proper gain etc
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Old 06-15-2013, 09:00 PM   #2
HinshawWRX
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How are you trying to set this?
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Old 06-15-2013, 09:12 PM   #3
racingbeck22
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Through the setting of the ebc. Not sure what you mean
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Old 06-15-2013, 10:04 PM   #4
HinshawWRX
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So the EBC has the ability to set? I'm asking are you doing this with a tune or some knob on the product.
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Old 06-15-2013, 10:11 PM   #5
racingbeck22
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I'm using the knobs on the ebc to set the boosr etc. And using open source for the ecm. Just can't get the settings right to maintain 24 lbs.
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Old 06-16-2013, 09:20 AM   #6
Rally2
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Greddy has manuals online but not sure if you have the "profec" style contoller

http://www.greddy.com/tech-support/p...boost-control/
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Old 06-16-2013, 10:04 AM   #7
cowboy_Rob
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You have the old school profec with knobs the profec b with the digital display and buttons or something else?
Depending on your setup and altitude the settings will be different but think of it this way

Duty cycle is how much time it opens the wastegate compared to closed while maintaining boost. Stock gate your duty cycle will be high (more open) big ewg it can be set lower but can surge. So full boost 50% duty cycle it opens the gate 1second then closes 1second over and over. 75% it opens for 1.5 seconds then closed for .5

Start duty cycle is when the boost controller starts trying to control boost. On a big laggy turbo this may be 3-5 psi below your target boost on a stock fast spooling turbo this will be lower otherwise you will overshoot your target boost then come back down

And gain is your target boost setting. Pay attention depending which you have your settings could be psi, bar, or kg/cm2 like my special avcr


I'm telling you all this from memory your labels might be slightly different I had a profec b in my old dsm but it was years ago

You can also change the feel of the car drastically by playing with the wastegate duty and start duty settings to make it spool smooth and soft or hit fast and hard. I had a big ewg and a 60-1 so I set the wastegate duty at 90% (as high as it went) and the start duty a couple psi below target so it didn't even start to open the gate till it was all but at full boost then blasted it open the whole way. Made fora very fun car with a huge torque spike but wasn't the best for drivetrain reliability lol
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