What type engine was in a 1968 GMC 5500
In 1968, the GMC 5500 truck typically came with a V8 engine. The specific engine options available for the 1968 GMC 5500 included:
1. 305 cubic inch V8 engine with 145 horsepower
2. 351 cubic inch V6 engine with 178 horsepower
3. 478 cubic inch V6 engine with 220 horsepower
It is worth noting that these engine options may vary depending on the specific model and configuration of the 1968 GMC 5500 truck.