I have a certified 300S and have noticed that serial number around mine converted to experimental. I know its a small market so stats are hard to come by, but what are thoughts on resell value of experimental vs certified? It supposedly eliminates international buyers.

Ace

I'd like to start a thread on mods for the venerable 300S - both experimental and certified. Hopefully those of us with certified versions can swap approved 337's. My 300S has no mods but will probably swap the battery for the Odyssey SBS J16 this winter. I have approved 337s from other airplanes....

What all has to change to swap a 540 to a 580 in a 300S? Does it fit in the original cowling? Different motor mounts?

Has anyone done this on a 337 and kept the 300S certified?

I have an L1B5D with the dreaded death mag. If converting it to the dual mags is going to cost me an arm and leg I might...

I know some of the Extras were experimental and some certified. Can someone tell me which ones were certified and which ones were experimental?