What was the cylinder head for a 1959 Pontiac 389?
What was the cylinder head for a 1959 Pontiac 389?
Cylinder head casting # 531395 was used on all 1959 389 engines. Like all Pontiac heads they featured fully machined combustion chambers. The stamped steel rocker arms were oiled through hollow rocker arm studs that were fed by a long oil passage cast into the heads.
When did the Pontiac 389 V8 come out?
The Pontiac 389 V8 was first introduced in 1959 and would become one of the most popular engines of the muscle car era. The engine evolved from the Pontiac 370 in which the stroke was increased.
How big is the intake valve on a Pontiac 389?
Valves sizes are 1.88″/1.60″ for the intake and exhaust. Water pump casting # 518040. This is a 4-bolt pump that was used until the 8-bolt pump and timing cover was introduced in 1963 and used until 1967. A road draft tube was used on these engines before a PCV valve was standard equipment, this one is still in perfect shape.
When did the Pontiac 389 tempest come out?
Another impressive version of the 389 introduced in 1959 was the Tempest model. The Tempest 389 engines were also known as “420-A” motors and came with higher compression as well as better performance options.
Cylinder head casting # 531395 was used on all 1959 389 engines. Like all Pontiac heads they featured fully machined combustion chambers. The stamped steel rocker arms were oiled through hollow rocker arm studs that were fed by a long oil passage cast into the heads.
The Pontiac 389 V8 was first introduced in 1959 and would become one of the most popular engines of the muscle car era. The engine evolved from the Pontiac 370 in which the stroke was increased.
Valves sizes are 1.88″/1.60″ for the intake and exhaust. Water pump casting # 518040. This is a 4-bolt pump that was used until the 8-bolt pump and timing cover was introduced in 1963 and used until 1967. A road draft tube was used on these engines before a PCV valve was standard equipment, this one is still in perfect shape.
Where does the water go in a 1956 Pontiac?
Water circulation during warm-up (thermostat closed) is from the pump to the water distributing tubes to the cylinder heads, [[1956 engine]] down into the block and back to the pump through passages from the front of each bank to the water pump inlet (Fig. 6A-1). [[Source 1955 through 1959 Pontiac Shop Manuals]]
