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Old 09-15-2009, 07:12 PM
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Join Date: Sep 2009
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FAST Dual WideBand O2 meter through DATAMASTER

Hi,
Just wondering if anyone tried using FAST Dual Wideband O2 through TTS Datamaster for logging AFR. I know that Victor (Hungry T/A) had a very nice wright up on using LC-1 controller to do that.
The reason I am asking is because it would seem to me that by using FAST dual wideband O2 it would be even easier.
The FAST unit has already an analog out put to simulate the NB O2 if you want to run WB O2 only and not use the NB O2 , you just have to tap the analog output for NB O2 from FAST unit in to the factory O2 harness.
Since the Datamaster already shows NB O2 reading in Volts 0-1 you do not need a conversion like you have to do with LC1 unit if you are tapping thought the AC pressure sensor.
All you would have to do is wright the formula for converting the 0-1 volt reading in NB in to an AFR.
You may be able to do that the Left and Right Bank reading will show the true AFR and not the voltage range 0-1v., If you can do that in Datamaster.? Any one knows?
or you just will have two custom engine parameters boxes with AFR reading for each bank.
I would appreciate every input from anyone who knows Datamaster really well or have done any AFR datalogging with Datamaser.
I know I may have to need to know the number that I need to put in to custom data in Datamaster that responsible for Left and Right bank O2 readings, like the AC sensor is 30.
I know it has to be possible.
There is a place in CA that sell those FAST dual widebands for $375 right now. And if it will work with Datamaster you will not need the RPM module($150) that FAST introduced recently.
I will also will need help on figuring the formula for converting 0-1v NB O2 readings in to showing it in AFR. I will contact FAST to find out if there NB O2 simulation is directly proportionate to Wideband reading, ( if WB O2 reads 1v it should be .2v in NB O2 or if the WB O2 reads 4v it should be .8v in NB O2) Also I will try to find out what is the range for there Wideband.
Any help is appreciated.
Thank you.
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