Modification of a Citroën car engine for use in light aviation, as seen in the below photograph.

“Victor Merino-Citroën Installation”

-We don't have power data, etc. It doesn't appear to have been excessively altered, as the exhaust is directly on the crankshaft.

-The cylinders are ferrous, and the engine half-blocks and crankcase aren't lightened.

-It does use individual carburetors for each cylinder, and the exhausts are free without a muffler, or so it seems