Super Marauder Engine

• The 1966 S55 featured the big-block Super Marauder 428 cubic inch V-8 engine with overhead valves and a four-barrel carburetor. The special-alloy iron block motor had hydraulic valve lifters. Its bore and stroke was 4.13 inches by 3.98 inches with a 10.5:1 compression ratio. It produced 345 horsepower at 4,600 rpm with 462 pound-feet of torque at 2,800 rpm.
  
  

Chassis

• The 1966 S55 had a fastback roofline and bucket seats. It came with a console-mounted four-speed manual transmission or an optional Merc-O-Matic automatic. The heavy duty suspension featured independent ball joints with coil springs in the front and a rear coil-link configuration. The Marauder featured a dual exhaust system and hydraulic self-adjusting brakes.
  
  

Physical Dimensions

• The S55 fastback was 220.4 inches long by 79.4 inches wide and 55.1 inches tall. It had a 123-inch wheelbase and weighed 4,031 pounds. Both the front and rear treads measured 62 inches.