We're watching as a 1971 Plymouth Duster 340 and 1970 Buick GSX duke it out on the drag strip in the following video. Which ...

The Buick offered a mere 340 horsepower and 440 lb-ft in a year ... Photo: Facebook/Frank Volks Although the GS 400 engine had more duration and a higher lift and compression ratio than the ...

Buick's rarest muscle car was the 1966 Super ... The headline addition was a huge 425 ci V8 engine that produced 340 hp and 465 lb-ft of torque, the powerplant featuring a single four-barrel ...

During the 1960s and '70s, Chrysler made some of the auto industry's most desirable engines, such as the performance-geared Mopar 340 small-block V8. Chrysler advertised it as making 275 ...

Buick sold only 280 GSX Stage 1 rigs in 1970 ... the smaller and more affordable Duster wasn't available with big-block engines. The 340-cubic-inch (5.6-liter) LA-type V8 was the most potent ...

Buick actually marketed the engine as 400 cubic inches ... V-8 that pumped out 340 horses and, obviously, 465 pound-feet of ...