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Old February 16th 06, 05:46 PM posted to rec.aviation.homebuilt
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Default Differences between automotive & airplane engines



Ignoring paperwork issues for the moment: Is this an ignition system
that
could be easily(?) retrofitted to a standard Cessna 172 / Piper
Warrior?

If yes, (guesstimating) what would the performance gains be over the
factory
stock ignition systems they're running now? 1%? 5%? 10%?


Or is it mostly a reliability issue?


Montblack


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It is VERY reliable for sure. If I were to"experiment" with this
concept all one would have to do is install a crank trigger to fire the
boxes, have it set up so the plugs would fire every 360 degrees as to
keep the distributing simple, who cares if the plugs spark during the
overlap period, Two strokes do this. The MSD units can be fitted with
timing curves so that will give a performance gain for sure. As for
amount of HP gain, if I were younger and still had my R&D dyno I sold
to Jasper engines a few years back I would experiment just to see what
numbers would come up. My gut feeling is................8-12%