7 1/4 to 8 3/4 swap

He just needs to keep in mind that there are two different wheelbase lengths used on our second generation A-bodies so a hard number may be the wrong number. We know what car the parts are coming out of but have no idea what car they are going in.

Precisely, that's why it's a good thing to measure for fitment. It takes any guesswork AND mistakes out of the equation.