Q:
A: Generally while they might bolt on, most stock mopar 4 barrel intake manifolds have larger runners than the ports on the 318 heads - better but not the best situation your best bets would be to get an aftermarket intake for a 318 (with smaller runners) or get a 1967 273 4 barrel intake (you can find these at most big Mopar swap meets for cheap) Only get a 1967.