Advice Pleas on rear end.
How much horsepower do you plan to have in the 360? Do you plan to only drive it on the street or maybe do some drag racing with it? Will you be putting sticky street tires or a set of drag slicks on if you do plan to race it? Just things to consider before you start to build. That way you can build what you need once in stead of having to do it twice, like me! Much cheaper and easier to do it once! I probably wouldn't spend to much time or money on the 7.25 rear, they are pretty weak. If that's what you want just to keep driving it, maybe you could find one that someone is getting ready to swap out or has recently pulled out and they know it is in good shape. Otherwise I'd say an 8.75 or bigger depending on what you plan to do with it.
Just my 2 cents, Tony