Circuit 1
4 Position switch in the cabin (no flex fuel).
Position 1 E85 High Boost
Position 2 E85 Low Boost
Position 3 98 High Boost
Position 4 98 Low boost
Circuit 2:
Uses a rotary potentiometer in the cabin (no flex fuel)
E85 with variable boost (0-100% boost)
98 with variable boost (0- 80% boost or whatever you desire)
Circuit 3:
2 position switch in the cabin (utilises the flex fuel kit)
Position 1 Flex fuel with high