David Vizard, Uncle Tony's garage, Unity motorsport. Mission impossible Dodge 302 Head porting
Coming up next on Mission Impossible 318 1 hp per cu. in. engine build.
1.88/1.60 (360) size valves in the 318 open chamber 675 heads.
(David Vizard talks about cutting down used lighter LS1 valves)
318, 675 heads
1.88/1.60 mopar valves.
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