Oh, one other things. Pretty much universally noted is that doing tuning RIGHT pretty much requires you to have a wideband O2 sensor. To be perfectly honest, I'm quite unclear about that aspect of it, because once talk turned to welding a bung onto the exhaust specifically for the wideband O2 and then running the wiring, I lost interest in having to do all that. If there was an EASY method of just plugging in the wideband O2 sensor into a tailpipe or something then I may have been more interested in playing with the software....
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