400 low buck dont give a

You're confusing lobe separation with intake centerline. Intake centerline can be moved when you degree the cam...lobe separation is ground into the cam, therefore cannot be changed. That being said, if you advance it 4* (many if not most aftermarket flat tappet cams are ground on a 110 centerline), it will assist with the low end, but will take away a little on the top end.