I'm in the process of installing a Sniper 2300 on my latest project. I have to say that it could not be any easier. The only major issue on retrofits is the fuel system. The Sniper requires ~60 psi fuel pressure. All the rest is plug n play. I'm anxious to see the "self learning" feature.
SimS
Perhaps you could start a project thread, and share the highlights of your experience. I may put FI on my pickup first, and if the results warrant, install another system on my '60 Impala.
-Kevin