Has anyone built TG's Thunder Alley?

[thehallofshields]

I'm trying to get this thing working on breadboard with E817 Optoisolators and no-dice. I'm curious if anyone else has experience with this circuit, or swapping BJT's for Phototransistors in  general.

[thehallofshields]

Here are the chips I'm using: http://www.everlight.com/file/productfile/el817.pdf

[thehallofshields]

My opamp portion is working fine and the rest of the circuit is dead simple.