@DC 340 Since you ask, I'll add a little more. I try to be mindful of not turning my hobby into some obsessive and boring life story. To hint what I mean, I'm not a dealer but I've personally owned over 300 cars since the early 70's and many of them could be called exotic.
I bought this Cuda from the nephew of the last SCCA racer who ran it, in the New England division, which means the end of its career was probably logged at Lime Rock. I picked up on bits of its history at the time but unfortunately didn't pursue leads when they were fresh or take notes. At the time it was just an obsolete discarded race car. The nephew had bolted in a stock 360 engine and put plates on it before promptly losing his license. The 360 being an externally balanced crankshaft was shaking the thing to death. The 273 race motor was included but wiped, though it had the heavily worked TA heads I was able to freshen and use. It's interesting to me it was not updated in engine spec post-1970 when destroking a larger bore block (short stroke 305 from a 340) wasn't taken advantage of. Before that, A/Sedan eligible cars had to be factory produced with a max 5 liter motor for use in the class 5 liter limit. Thus the genesis of the DZ 302 Chevy and Cleveland headed Boss 302 homologations. AMC's 304 was a convenient coincidence.
I spent a year with what was a comprehensive and extensive street conversion but the recession killed my business on Cape Cod in 1979 and I had to divest, in fact I up and joined the Air Force to get away. I sold it to an SCCA related guy from Rhode Island, I remember him showing up in a really nice Triumph TR4A. Several years later, after I was in uniform, a car friend from Cape Cod told me he saw the car with the front end destroyed, with no drive train, at a shop in Rhode Island. I assume it's gone but can't say with certainty. I don't believe any original early A-Body Trans Am race cars still exist. There are other A/Sedan veterans and reproductions out there, certainly. It was suggested to me by several at the time that this car had some association with Chrysler engineering and Scott Harvey, (senior chassis engineer, Rally and Road racer, developer of the Formula S, etc). But I have no proof.