<snip> I keep seeing these references of the Corvair to the GM A bodies of the period. There is NO common bond between the two. The GM A bodies were body on frame construction, not unibody. Buick Skylark Olds cutlass Pont tempest/ GTO </snip> You're right, in reference to the 1964-up A-bodies, they're body-on-frame, bland GM-type engineering. The originals (1961-1963), however, are unibody cars.