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In search for a ebc for the 240 I came across this thread post. Hope it helps.
"First order of business, throw away the instructions - they are off, something got lost in the translation.
there is actually two ways you can set boost on this unit.
In the boost display (unit defaults to this) mode, turning the dial on the right will up the duty cycle of the boost solenoid. Press in on the dial to set it to memory. On my stock T25, I set it to 35% for .9 kpa.
hitting mode will bring up gain function. Increasing this number will increase boost, but it's real function is to control the sensativity of the solenoid. I left mine set at 10%. Turn the dial one way or the other, then press IN on the knob to commit the setting to memory.
Pressing mode again will bring up "set gain", which is the start boost feature. Set this number fairly close to the target boost, again by turning the dial and pressing in. On the stock T25, I got my best results by setting it .10 kpa below my target boost, but you can play with it abit. The goal here is to hold it as close to target boost as possible, without spiking past your target boost. For .9 kpa, I set mine to .8 kpa.
The next function (the display should turn red) is the overboost limit setting. This number represents your upper threshold of boost - a number you do not wish to exceed. This is handy, as setting this function up correctly eliminates you having to adjust your boost based on weather conditions. If boost reaches this level, it will give you an audible beep, and the display will turn red. You should set this slightly above your target boost, I set mine about .07 kpa above my target boost. Again, set it using the dial, pressing in to commit it to memory.
Pressing mode again will get you to the overboost reduction setting (display will remain red). This setting determines how much duty cycle of the boost solenoid to reduce when over boost happens. I set mine to -4% using the dial. If you set this number too high, you will have excessive boost fluctuations. Too low and it may not bring the boost down far enough.
The next function is highest boost recorded. You can reset this by pressing the dial in and holding til it beeps.
Pressing mode one last time will bring you to turn on or off the last boost display. Turning this on (by turning the dial) will display the last highest boost you achieved every time you go back into vaccum. Pretty handy, especially when setting boost levels.
That's pretty much it, pretty easy to use once it's explained to you."
Late
Jon
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