Looking for some advice on a 360 magnum swap

I was looking at the crosswind intake, although it all depends how the factory heads are on the magnum. If they are cracked I'll probably go with new eq heads and be able to use my weiand action plus intake I already own
If the cylinders dont show any signs of coolant in them from cracked magnum heads just run them. 99% of the time they are not an issue.

If the top of the piston in one or more cylinders looks like it has been steam cleaned compared to the others, then I might look at changing heads.