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Originally Posted by tomm.brz
What i do not understand is which front scaling to use.
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Pick one and run with it. Unless you can verify/prove then just stick with one you know. That way you can verify any changes you make. I spent too long worrying about it to realise that it doesn't matter. AFR tuning is best fit, not a definitive answer. All you really need to know is too lean/too rich/in the ballpark. Unless you hit a dyno, then you can't fine tune enough to tell the difference.
Quote:
Originally Posted by tomm.brz
How do one choose the best one? And how do one do a correct scaling for a wideband aftermarket sensor?
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WBO2 is a custom input and not a replacement of the OEM. Most aftermarket ones have a 0-5v output that is linear to the reading so really simple to map in.