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We've just fitted the EVC 4, and have a few problems....

1. If I set the High Boost to say 1.1bar, the boost reading goes upto 1.2-1.3, but on the dyno the boost is holding spot on.

2. Had a mate look at the instructions, and he thinks the LOW boost setting is when the controller starts to open the wastegate for spooling & the HIGH boost setting is the limit of boost. I thought he was crazy, because as I understand it, the LOW boost is for ***** driving & the HIGH boost is for everyday driving. But after some testing, I think he is correct, maybe someone can test it themselves? When I set my LOW Boost to eg: .5 and HIGH to 1.1 the boost comes on smooth and early, if I set my LOW boost equal to my HIGH boost, the boost is much more agressive and comes on later.

I'm running HKS Silver Actuators which I believe are .9 ~ 1bar, If I'm setting my EBC LOW Setting below this figure, is it useless having these actuators?

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https://www.sau.com.au/forums/topic/40216-whos-using-hks-evc-boost-controller/
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I have an EVC 4 aswell. Low is one boost preset(everyday driving) and high is the other. Low cannot be set higher the high setting tho. Boost response is set while pressing three buttons at once and then the screen flashes -L- then you floor it in third from 1000rpm to redline. then the screen flashes -H- and you do the same. Boost curve is then set to optimal and cannot be changed. I have the instructions at home if you want to know which buttons to press i can't remember off hand.

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