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Edit (click into new window if it says its removed):
PWM e-MBC boost controller***********
To make yourself, obviously, and
its more like an electronic MBC to be specific. I figure under $55 in parts, or under $25 if you're cheap.
I saw the $99 ebc deal on ebay, and wondered if it was a gimic. Something like that would be awsome for tuning different boost columns if you don't have a regular EBC. Then it hit me - eCtune has a fixed-duty cycle feature for the EBC which works well, so all you need is a steady PWM power source & solenoid valve. Recently I've been looking at a cheap PWM circuit, maybe $10 in parts, along with a $25-50 MAC valve (c0mplex said he can get them for $15
).
You could increase or decrease boost from inside the car, on the fly, with the turn of a knob.All this thing would do is send a little or a lot of boost into the top of your WG, like a normal EBC does. It won't correct for boost creep or boost taper, but big deal right? All I need to build & test this thing is a certain schottky diode x2, which Radioshlut doesn't sell. They're
1N5818's (steering diodes), so unless anyone here has two, I'll have to put together a digikey order soon.
Who'd be interested in seeing this? I know its 4x the price of a cheap MBC, but this would change boost at the turn of a knob! No wrenching on a cheap MBC on the side of the road, no screwing with a scramble boost feature, and no messing with the cheap ebay in-car mbc's that don't work. Combine this with my DIY MAP Upgrade write-up, and you could rock 20psi at any time you want, while doing like 8psi for normal driving.
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Topic: Who'd be interested in real cheap EBC? (now w/Video!) (Read 20784 times)