Pretty basic stuff.
Make sure the mounting structures clear whatever kind of headers you will be running.
Give your self plenty of room at the front of the engine to get to the dist and check timing etc.
The commercial unit I bought was bad for this, the gauge panel sits right on top of the dist and waterpump pulley.
Make sure your engine hoist legs fit under it for positioning the engine. I had to weld riser blocks on the commercial unit.
I made the sections all removable so if I have to tear into a timing set,cam or whatever, the front of the stand can be removed for access to the front of the engine.
I am also welding tie downs on it so it can be transported with a engine on it.
I am setting the fuel system up to be able to use the mech pump on the engine or feed it with a electric pump. Give yourself enough room on the gauge panel for additional gauges if you need them such as egt, boost etc.
I use a Edelbrock AFR meter that I mount in a set of removeable collector adapters. I believe you use a LM-1 so you should be good. I have adapters to bolt on a set of mufflers so I can hear for noises in the engine.
Thats pretty much it. Good luck in your fabbing.
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