Help! I have 2 intakes for a 318, both will not fit. When placed on the engine, and i place one side against the left head, the right head is almost 1/4" away from the other side of the intake!! This is on a new weiand intake, and an old edelbrock sp2 intake! Both are too "narrow". The engine is all stock, and the old intake was a one barrel. The heads only have one marking on them, a big "3" by the spark plugs. HELP!:tard:















