The tighter the lobe separation angle, the rattier the cam sounds. 106, 104, 102, pick one. Manifold vacuum will be in the toilet, so make some other provision for vacuum operated accessories such as power brakes. Lunati grinds a Voodoo profile and Comp grinds a Thumpr and Mutha Thumpr that will make the sound you are looking for. You'll need to modify your ignition timing curves, putting in more at the crank and limiting the total advance curve at the weights and stops.