David Vizard, Uncle Tony's garage, Unity motorsport. Mission impossible Dodge 302 Head porting
714 castings are the exact same head as the 302 cylinder head for the 318s.
This 714 head pictured here is from a 1990 W150 truck with the 318 TBI roller engine.
With the factory 1.78/1.50 intake/exhaust valves.
Pictured below is a 675 open chamber 318 non-smog head, with the larger 1.88/1.60 intake/exhaust valves, (stock valves were 1.78/1.50).
Non-Smog 675 Head
714 castings are the exact same head as the 302 cylinder head for the 318s.
This 714 head pictured here is from a 1990 W150 truck with the 318 TBI roller engine.
With the factory 1.78/1.50 intake/exhaust valves.
Pictured below is a 675 open chamber 318 non-smog head, with the larger 1.88/1.60 intake/exhaust valves, (stock valves were 1.78/1.50).
Non-Smog 675 Head