Originally Posted by
Allan Lupton
Whether the Gipsy Major 10 Series 2 or the Lycoming O-360 is the "better" engine is not for me to say, but they were 145 b.h.p. and 180 b.h.p.
Or try a 275 hp GO-480.
Interesting that the US owner has restored this Mk.23 to the original Chipmunk tandem 2-seat configuration. Shame about the rudder.