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Monday, August 29, 2005

Someone recently asked me how I could run a Chevy LS-1 in an aeroplane without using the computer? My response was "Easy!" Note the picture of the Morse accessory drive at the rear of the engine - see the two electronic ignition distributors? These two distributors will feed the ignition to the spark plugs (redundant ignition system) via standard spark plug wires. Essentially, the engine will be running like a Chevy 350 with a distributor, except it will have two distributors. The fuel control is manufactured by Airflow Performace. The fuel injection system is a manual mixture control unit as is normally found in most piston engine driven Gen. Aviation airplane which run Continentals & Lycomings, etc... We still use the original intake manifold and just adapt the Airflow Perf. Mass Airflow throttle assy. to the inlet. Fuel injector nozzles will be at the same location as the original LS-1 design, except they will be standard aircraft injector nozzles capable of being under Supercharger pressures. You may say that I won't get the same efficiency without the computer, and this is true, but it is also simple and there's also less likelyhood of the engine ceasing while inflight if a computer malfunction/limp-mode should take place! With use of a small independent mini-alternator which is dedicated to one (or both) of the distributor(s), the engine could continue to run even if there were a complete electrical failure similar to how a magneto system works.

The picture above also shows the center pulley which drives the Alternator on the right, and the Vortech Supercharger on the left (not yet purchased or attached) There is one mechanical fuel pump at the top, inbetween the distributors, and two more on the lower left & right which are 700GPH pumps to be used for coolant pumps. The Oil pump is the silver/grey unit at the bottom center. Because the gear reduction is used on the front of the motor, the OEM oil pump was removed, as was the OEM coolant pump system.

There you have it! No computer required!

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