Paul - current performance do do a complete stand alone setup (thats not what I got though).
I did email them about it and they said they could adapt to L76 (just involved moving a few sensors). I wasnt convinved as some of the wiring diagrams Ive seen have quite a few different pin outs when comparing OZ\L76 wiring vs say corvette LS2 E38 wiring. All I ordered from them was the missing plug for the ecu, pedal, obd2 connetor and their fuse relay module. The wiring for that module as well is in that xl sheet I sent you (scroll right

).
Cheers