Given the machine pops on starting fluid it's reasonable to assume we have spark, if the plugs are dry after you've checked Laitch's suggestion then I'd be sticking a multimeter across the injectors and checking if they're being told to inject fuel.

If they're wet & no hint of trying to fire (but if it still pops on ether) then I'd be inclined to check firstly timing & then compression.

Going to try this Chris Harris tip next time I'm in the shop:

 

Looks more like that mold that grows on strawberries

Would you please help me with failure to run issues?

I've put on new intake manifold to airbox boots, secured with stainless steel tie wraps (radiator clamps were too wide for the groove).

My theory is that I have good seal around them, since now when I try to start it, if I spray starting fluid around the boots, it no longer "coughs" like it was trying to start. With the old cracked boots, it would cough, but not stay running.

Also a new S-clamp installed, new air filter. Top and bottom of the rim where the the air filter goes between cleaned well.

Attached is a .wav file of me trying to start. You can hear the fuel pump kick on, after I turn the key to On.

Reminder, I've never heard this Brick run, so a previous owner may have disconnected something obvious I'm overlooking.