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Location:
Brisbane
Registered:
May 2002
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Re: RA28 RC -> R-GEU conversion
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Mon, 23 September 2002 01:40
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I use the factory return line which goes straight back to the tank. You'd run this to the surge tank if you had one, then the overflow from the surge tank would go back to the main tank.
The computer does not directly control the fuel system, however there is a switch in the airflow meter which triggers the fuel pump. This means the fuel pump is only switched on when the engine is actually drawing air through the airflow meter. It's sort of a safety measure - if you crash the engine will stop and the fuel pump will switch off straight away.
The starter works the same way as the original engine, however the computer requires a signal on the STA pin which connects to the starter switch so it knows when you're trying to crank the engine. The ignition system is independant of the EFI system, but later model 18R-G's use an electronic pickup in place of the breaker points found in 18R-C's. This means you'll need a different type of coil with ignitor attached, but you can grab one of them from the wreckers easily enough (I got mine from an EFI Corona).
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