360-508 mopar cam builds

That's a decent combination, there. For what it's worth,E.Q heads,flow mid 230's(or better) with a good 1.92 valve installed. As for velocity,the Magnum combustion chamber,intake packs cylinders so much quicker than a standard LA head.With a 391 gear,you an go either way. If "dusterdoug" will respond,he has done all of this.(and he's close to you). Smart dude,done both LA & Magnum/E.Q heads. He knows his sheit....