Hello all my Buick brethren, I have a 87 g/n with a ford 9" built by strange engineering,it's a full spool with strange axles, i recently found out that i have to adjust the back lash on it because every time i put the car in gear it clanks pretty hard. I put the car up on jacks and discovered that the drive shaft turns about a half revolution before it engages the gear and then clanks, is it difficult to adjust or is it something that can be accomplished by a half witted but willing participant(me) on a week end with proper tools, thanks guys.