Rtek Forum Discuss the Rtek 2.0 and other Rtek ECU's

LM1 Innovate Wideband ?

Old 08-31-06, 11:59 AM
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LM1 Innovate Wideband ?

I installed the rtek 2.0 and hooked in my Wideband mentioned above. I got it to read into the palm, but the munbers are off by about 2.0 So, my wideband gauge is reading 14.1 on cruise and the rtek is reading 12.1 or so. I tried to manipulate it in the preferances of the Rtek, but can not. How do I get around useing the Preset gauges?

As well, where the fuel maps leaned out on the rtek for bettter performance? I notince I run a bit leaner then prior to the rtek install.

thanks all.
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Old 09-01-06, 12:09 PM
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I tried to manipulate it in the preferances of the Rtek, but can not.
Why not? The LM1 must be configured the same as the Rtek. What is the configuration/calibration of the LM1's analog output? i.e. what voltages = what AFRs?
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Old 09-01-06, 12:27 PM
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Oh I think I understand. Change the setting in the LM1 software to match one of the presets in the Rtek?

Right now:

Analog1
1.099V - 14.35 AFR
0.11 V = 15.35

Analog2
0V = 7.35 AFR
5V = 22.35

I was just going into change the Analog 1 outputs to be 0-1v.
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Old 09-01-06, 12:35 PM
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The analog 1 setup is important for proper closed loop. Not sure why there are such wacky values. I'd see what they recomend.

Analog 2 again has wacky values. But both the LM1 and the Rtek is fully configurable.

I'm not sure why you were having problems setting the Rtek prefs. If you left the values in the LM1 the way they are, you could enter the values in te the "calc" area and tap calc and it would fill in the mult and offset for you. Hit OK and you're done.

You could also get better resolution if you narrowed the range on the LM1 down some since you don't need to go from 7 to 22. Set it to like
0v=10
5v=20 (or less if you want)

Enter the same values into the calc area of the Rtek prefs and it will calulate the mult and offset.
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Old 09-01-06, 12:39 PM
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ok, sounds like I am experienceing human error. Ill try it,
Thank you!
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