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The engine featured a GMC 6-71 blower and Enderle fuel injection, producing 1,200 hp (895 kW; 1,217 PS) at up to 9000 rpm on a mixture of alcohol and nitromethane. [44] In 1967, Hayden Proffitt drove the Rebel on the quarter-mile (402 m) from a standing start in 8.11 seconds at 180.85 mph (291.0 km/h).
The introduction of the V-71 series in 1957 effectively doomed the 6-110, as both the 8-71 (568 cubic inches (9.3 L) displacement) and 12-71 (852 cubic inches (14.0 L) displacement) offered higher horsepower in a more compact form factor. However the high torque and great reliability of the 6-110 was still valued for heavy-duty applications.
The inline six-cylinder 71 series engine was introduced as the initial flagship product of the Detroit Diesel Engine Division of General Motors in 1938.. This engine was in high demand during WWII, necessitating a dramatic increase in output: about 57,000 6-71s were used on American landing craft, including 19,000 on LCVPs, about 8,000 on LCM Mk 3, and about 9,000 in quads on LCIs; and 39,000 ...
With its GMC 6–71 blower and Enderle fuel injection, the motor produced 1,200 hp (895 kW; 1,217 PS) winding up to 9000 rpm on a mixture of alcohol and nitromethane. [65] Starting in June 1967, the car was driven by "Banzai" Bill Hayes and painted red featuring a blue racing stripe with white stars. Soon, Hayden Proffitt took over the Grant ...
The model name of these units delineates their size - the once-commonly used 4–71 and 6–71 blowers were designed for 71 series diesels. Current competition dragsters use aftermarket GMC variants similar in design to the 71 series, but with the rotor and case length increased for added capacity; hot rodders also use reproduction 6-71s.
The fuel injection system was direct, into a toroidal combustion chamber within the aluminium pistons. Supercharging was by a Roots blower driven at twice crankshaft speed, for a boost pressure of 8 psi. [1] An unusual feature was the ability to build the engines with the flywheel and output drive arranged at either end.