Are these numbers accurate as taken from the SS Musclecar Red Book and Colvin ? Total Full size production all models is 1,168,300.

M20 4 speeds 3448
M21 4 speeds 969
M22 4 speeds 77

546 L72 425HP 's

The M22 was only available with the L72 engine.

That makes any 4 speed optioned full size Chevy a very rare bird .