Thanks dliptak I'll try your technique out. Please let me know if these links don't work.

Here's a repost for the link to the tachometer rebuild:

https://plus.google.com/115050180406101428512/albums/5995427543553044353

And here a link to the first exhaust down pipe I built. This one didn't hug the block enough so I cut it up and started over.

https://plus.google.com/photos/115050180406101428512/albums/6000434554897904721