Hindsight is 20/20 - you could have bought a plug and play Megasquirt for less than you have spent trying to fix the Bosch L-junk.
Maybe...but since it hasn't been determined what the root cause is, that may have been thrown away money as well. He's swapped ECUs and AFMs, so it's likely not the L-Jet. I still wonder about the rebuilt head (if I remember correctly). If the valves don't have enough clearance, they'll stick when they start to warm.
If by chance you can't afford LSD, buy yourself a color TV. - Godard
1971 Karmann Ghia Vert
1982 Land Cruiser
1988 Land Cruiser