Petty enterprises pro stock duster build

As I remember.....Roy updated his Petty built Duster for 1973 but bought Butch's 73 Butler built Duster in late 1973 and at the start of Chrysler's (factory paid drivers of Leal, Sox, Landy, and Carlton ) NHRA Pro Stock boycott. Roy and Butch are still good friends and talk often.
Denny how you been. Joe pappas called me few days ago. He was telling me stuff your doing. I need to follow you on here.