Originally Posted by Mr. Canoehead
I was thinking more about getting the sensor online faster, particularly in cold weather.
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The Wideband sensor that comes with my LC-1 and your PC III USB includes a very fast heater circuit, less than a minute. The cable to Bosch LSU 4.2 Sensor that they all seem to use is 5-wire harness that includes a heater circuit run by the LC/PC.
Because the sensor is so fast, I've notice that the Closed Loop swings are about half as small as the narrowband, meaning you get tighter afr control. As far as I see $170 for an LC-1 is about the best performance money you can spend. And even though the PC III IS more, it's money we'll spent too--I'll post a table soon that would preclude dyno tuning for most. I just need some details from Dynojet.