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Hi,
The Lambda K/Jetronic already has such a device, the frequency valve. All you need to do is to program the LM-1's analog outs to simulate 2 narrowband sensors. One regular one with a switchpoint (0.45V point) at 14.7 AFR. The other with a switchpoint (0.45V point) at 12.8 or whatever WOT AFR you want to run at. Then disconnect the WOT wire from the throttle switch so the lambda computer always runs in closed loop, regulating the control pressure. Then use that same WOT switch to drive a relay that switches the O2 sensor input of the Lambda computer between Analog out 1 and analog out 2 of the LM-1.
Voila, a closed Loop WB controlled CIS system.
Regards,
Klaus
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