I was doing some research and came across these engines... especially interesting was the 3000 I4 (carburated though)... anyone look into these at all or know anything about them?
http://www.gm.com/automotive/gmpowertrain/engines/vortec/apps/industrial/43specs.htm
http://www.gm.com/automotive/gmpowertrain/engines/vortec/apps/industrial/43specs.htm