What is gmc 270 engine?

The GMC 270 engine is a six-cylinder, inline gasoline engine produced by the GMC Truck and Coach Division from 1941 to 1954. It has a displacement of 4.4 liters (270 cubic inches) and was used primarily in light and medium-duty trucks, as well as in military vehicles during World War II.

The engine features a cast-iron block and cylinder head and uses a single carburetor to deliver fuel to the cylinders. It has a bore and stroke of 3.75 x 4.50 inches and a compression ratio of 6.6:1.

The GMC 270 engine was known for its durability and reliability, making it a popular choice for commercial and industrial applications. It produces around 105 horsepower and 208 lb-ft of torque, although specific output varied depending on the year and application.

Overall, the GMC 270 engine is considered a classic American workhorse engine and is still sought after by enthusiasts and restorers today.