info on efie http://www.fuelsaver-mpg.com/doc/EfieDescribed.html
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And lots of KOH (16 LBS)
Not currently running HHO.
I dont run HHO during winter.
is there any easy schematics for building a efie?
Again the definition EFIE is very widely used. Building one to help a MAP sensor, A MAF sensor or a wide band Air/Fuel sensor is very easy. Do not buy one of the 30 to 100 dollar products offered on Ebay. All the afore mentioned sensors send a higher voltage signal when they want more fuel to go to the engine. All you have to do is buy a 40 or 50k ohm pentiometer from your local Radio Shack. They are under $2.00. You splice it into the sensor wire and adjust the voltage down to where you want it. BE CAREFUL TOO LEAN A AIR FUEL RATIO WILL BURN HOLES IN YOUR PISTON. Start slowly and monitor cylinder head temp's. Do not let the temp go more than 50 degrees above what it normally runs.
sounds good I look into the cheaper way first.