Welcome aboard my bruddah!
Fresno Ca in the house. About the timing chain, going with a gear driven timing gear rather than a chain driven timing gear will give you a more "Pronounced" desire. The big question is who makes it? Past expereince with V-8 and a Gear Drive will give you a ...lets call it a "Mechanical" sound at the stop light, beyond a Exhaust note.
Fellow Bruddah's chim in on this.