Kevin, let us know what sort of options you're opting for. Some of the "little ones," like the extra venting and shielding around the primaries, really makes a difference. Instead of rivets, you might consider using a Marson Thread-Setter Tool. It lets you set a nice machine screw installation instead of a rivet. In fact, one of my first projects when I get her out of hibernation this spring will be to put in an access panel on the tunnel to service the front u-joint (which you
can't get to if you have the outboard braked rear and handbrake). I'll use the Marson on that and post pics, of course. Here's the tool: