Consulting the instructions in this link I am confused. I have a 73mm shell and am trying to figure out what spacers to use.

The document refers to a band type and a bracket type. What are they talking about?

I didn't look at the link, and hope this answer will help you dope out the rest.

The reference to band and bracket type is the FD mounting system. Most are mounted on the seat tube by a clamp or braze on. However there are also some that are mounted behind the RH bottom bracket cup (or bearing). The Bracket mount has thickness and must be factored in deciding on the spacers.

To finish FB's reply, if you have a standard clamp-on front derailler you need one drive side spacer. If you have an E-type front derailler that fits around the bottom bracket you don't need any spacers.

I didn't look over the document too carefully, but yes this sounds correct. It is also my memory of how it went the last time I put one of these cranks on.

The good news is that if you're wrong, you'll figure it out pretty quick.

Thanks for the clarification.

I just got done with this install and everything went fine except: I didn't remember to pay attention to looking for the slot when installing the left crank arm? I just aligned it opposite the other arm and tightened it down? Is there only one way this will go on?

You're good. They're so proud of that slot, and they wanted you to see it. In reality, it won't even fit on there unless you have the slots aligned, which of course will put the crankarm in a position opposite of the driveside arm.