I know about the dash number plate on the center panel vs the glovebox door, but what is the breakpoint for radiator hose clamps? I started to order a complete set of clamps for all hoses, and there is one set for early and another for late 1968s. My car: A8C397X303102 Body R023938 Dash # 4061 Thanks in advance, Jerry Phillips Las Vegas '68 AMX