High Impact

Hi guys just wondering if some of you older painters would explain the process of the what would happen in the factory paint production line in the early seventies.Why you ask?
MY aussie A body valiants factory colour is sunfire yellow which is very similar to the American lemon twist,top banana which id like to go for.The products PPG,dupont right?so does this mean no clear coat?just shoot the colour then buff?Any imput would be great thanks guys.