1975 Corvette engines have the last six digits of the VIN stamped on the block just ahead of the cylinder head on the right-hand side combined with a three-letter engine code suffix . Also cast into the top rear
The engine-pad stamping ends in 3N184379, matching the final characters of the car’s chassis number. The stamping on the opposite side of the pad shows the suffix CLK, which is consistent with a 245-horsepower 350ci V8 paired with a four-barrel carburetor and an automatic transmission. ...