The 1960 Pontiac Bonneville was powered by a 389 cubic-inch V8, with an optional Tri-Power triple-carburetor setup for higher performance.
The 389 V8: Core Power for the Bonneville
The Bonneville’s backbone in 1960 was Pontiac’s 389 cubic-inch V8, a robust overhead-valve pushrod design that underpinned the car’s smooth, confident performance on the road. This engine served as the standard powerplant across the Bonneville lineup that year, delivering ample torque and reliable cruising power befitting Pontiac’s upscale flagship.
Tri-Power: A Notable Performance Option
For buyers seeking a more spirited driving experience, Pontiac offered the Tri-Power configuration on the 389 engine. This setup used three two-barrel carburetors to increase air and fuel delivery, enhancing throttle response and peak performance without changing the engine block itself. The Tri-Power option became a hallmark of Bonneville’s performance image during this era.
Key engine configurations available for the 1960 Bonneville included the standard 389 V8 and the Tri-Power option described above.
In summary, the 1960 Bonneville’s engine was the 389 cubic-inch V8, with a coveted Tri-Power variant for those seeking higher performance from Pontiac’s premium full-size car.
Summary
For the 1960 Pontiac Bonneville, the engine of record was the 389 cubic-inch V8, with an optional Tri-Power triple-carburetor system that offered enhanced performance for enthusiasts seeking a sportier drive from Pontiac’s luxurious flagship.