The 389ci Tri-Power V8 was factory rated at 348 horsepower and 428 lb-ft of torque.
Service in November 2021 included cleaning the carburetors, adjusting the valves and the clutch, replacing the rocker arms and two broken exhaust manifold studs, and repainting the cylinder heads, intake manifold, and other parts of the engine. Power is sent
Used 1964 Pontiac LeMans 22,000 miles
The 400 Pontiac engine was a new evolution of the familiar Pontiac V-8 introduced in 1955 and an upgrade of the 389 built from 1959-66.
In addition to an overbore from 4.06 to 4.12 inches, the updated Pontiac V-8 featured new freer-flowing cylinder heads with larger 2.11-inch intake and 1.77-inch exhaust valves, as well as revised ports and
Used 1967 Pontiac GTO
The 400 Pontiac engine was a new evolution of the familiar Pontiac V-8 introduced in 1955 and an upgrade of the 389 built from 1959-66.
In addition to an overbore from 4.06 to 4.12 inches, the updated Pontiac V-8 featured new freer-flowing cylinder heads with larger 2.11-inch intake and 1.77-inch exhaust valves, as well as revised ports and
Used 1967 Pontiac GTO