The distance from the middle of the 1978 Ford Bronco's front tire to the middle of its rear axle (wheelbase) is 104.0 inches. Bumper to bumper, this Bronco measures 180.3 inches in length. This sport utility vehicle is 79.3 inches from its widest points. This Bronco was designed to a height of 75.5 inches. In terms of ground clearance, this Bronco offers 7.8 inches of clearance under its rear axle and 8.1 inches under its front axle. This model of Bronco offers a 37.5-degree angle of approach, 23.4-degree angle of departure and a 24.9-degree breakover angle.
Consumers have access to 1978 Ford Bronco's featuring one of two engines. The 351M and 400 engines are small-block engines manufactured by Ford. The numbers attached to these engines refer to their displacement. The 315M features a 351 cubic-inch (5.8-liter) displacement while the 400 offers a 400 cubic-inch (6.6-liter) displacement. The Ford 315M engine was the standard engine fitted into the Bronco in 1978. The Ford 400 engine was available as an option at the time.
These Broncos were fitted with standard 40-amp alternators, a 60-amp alternator was originally offered as an option on the 1978 Ford Bronco. The standard transmission on this model of Ford Bronco was a four-speed manual transmission. However, a three-speed automatic transmission was optional. Both transmissions offer an 11-inch clutch diameter. Another option on these Broncos was a rear stabilizer bar; front stabilizer bars were standard on Broncos made in 1978. Standard wheels on this vehicle were five-hole disc wheels. L-78-15B tires were the standard tires fitted onto the 1978 Ford Bronco. Standard service brakes on this sport utility vehicle were power, f-disc brakes. Fuel is delivered to the engine in a 1978 Ford Bronco via a two-barrel carburetor system regardless of which engine is employed.