The Corvair turbo unit, and Carter YF single barrel carb were exactly the same as was used on the 1963 factory Oldsmobile turbo 215 cu/in all-aluminum V8 F-85's. Both the F85 and Corvair needed a good digital, tuned port EFI, REAL BAD. GM should have turbo'd the Buick Skylark instead of the F85, as the Buick engines had a different head, with a lot better combustion chambers than the F85 ever did. Buick did turbo their V6 version of this same engine later in life, on the GN (Grand National) and turbo Regal.
I do a lot of all aluminum Buick, and Rover 4.6 V8 engines, stroker cranks, big bore, Chevy rods, Crower cams, Rover EFI with Holley controller, Mustang nozzles, Edelbrock dual throttle bodies, and they work well. Too bad the Corvair engine didn't evolve, let alone survive.
Some 35 years ago, when I worked at Skunk Works for Duntov, there was an engine core pattern maker working at GM I met, and he was a Corvair lover. So much, that he used is expertise to build patterns for engine cases for the Corvair engines. His patterns were for a flat 8 cylinder version for the Corvair engine, still air cooled, and he had a buddy that was a machinist that did cranks and cams for him as well. Last I heard of i=him, he had only a handful of these things built, about 6, if memory serves, and none sold to outside persons. He did them for himself, nobody else. Only saw one running engine, on his engine stand, in his garage, once. NICE work, interesting concept.
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