My A & P's C-140 (from a C-150) conversion is for sale. New paint and interior. 0-200 engine. GPS. He has done a first rate job on it. Located at IZA in Santa Ynez, CA His phone is (805) 688 1224.
It most likely used the David Lowe STC, which basically says 'Remove Cessna 150 gear (part numbers), install Cessna 140 gear (part numbers) and tailwheel, using Cessna 140 parts.' I've heard it's renamed a "Cessna 140C" instead of Cessna 150 after the conversion, but not sure if that is accurate or not. It's only applicable on fastback 150's.
It is pretty, but it's still a 1959 Cessna 150 (according to the FAA Registry), just like all the other 1959 150's converted to tailwheel, despite it's striking resemblance to a 140A with a 150 tail. My 1963 150C conversion will (hopefully) someday look as nice.
Bet you are correct, Carl. I haven't really asked him what model designation he's planning to use for it. He's just now in the process of completing the paperwork to document the conversion, getting it weighed, and establishing the CG, etc... agree that he did a nice job. The venturi's are just a back-up system as it has a vacuum pump and the "regular" C-150 electrical system.
He won't have a choice, Paul! The data plate says it's a Cessna 150, and 140's have a different TCDS, so the FAA will only register it as a 150, regardless of what he decides to call it in conversation.