Base Six Cylinder (Manual Transmission):

Overhead valve
Cast Iron block
216.5 cubic inch displacement
Bore & Stroke: 3-1/2 x 3-3/4
Compression ratio: 6.5:1
Carter/Rochester/Stromberg one-barrel carburetor
Brake Horsepower: 92 @ 3400 RPM
Four main bearings
Solid lifters

Base Six Cylinder (Automatic Transmission)

Overhead valve
Cast Iron block
235.5 cubic inch displacement
Bore & Stroke: 3-9/16 x 3-15/16
Compression ratio: 6.7:1
Rochester one-barrel
Brake Horsepower: 105 @ 3600 RPM
Four main bearings
Hydraulic lifters