Subject: Fuel injection before the turbo
From: "rotaryeng@earthlink.net" <rotaryeng@earthlink.net>
Date: 2/5/2015, 2:41 PM
To: AA-1-Me



   Will the Maximite be able to monitor and change the fuel/air ratio via
   the o2 sensor.
   Regards Andrew Campbell.

   Yes but be aware 100LL aviation fuel kills O2 sensors. I would not use
   that as the only sensor to set the mixture. I would still have a MAP
   or Mass Airflow Sensor. I would also use the wide band variety and place it
   at the end of the exhaust pipe. Aviation rotaries run hotter exhaust as
   they are on average a higher percentage of max power.

   Paul Lamar




   Paul,
   Thanks for the information, I know very little about rotary engines apart from what I have learnt from your emails and your books.
   Some time ago you suggested that some people have had a certain amount of success with fuel injection before the turbo, do you have any contacts that I might be able to use to obtain some further info on how the set up is working?
   Regards Andrew Campbell


   It is common practice with carbs so it should work with fuel
   injection. If you can't find one injector large enough you
   can use several. It is a good idea anyway as one injector can fail.

   I don't personally know anybody doing it that way.

   Paul Lamar


To use a suck through EFI, I would use a throttle body system from say a 454 Chev. I believe you can get a complete system that is programmable from Howell. He was a GM engineer in a previous life.

Dale Davies




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