Wideband for tweaking
This has been posted on a couple forums that I frequent lately. Its an incredibly cheap wideband O2 driver. Has logging capabilities.
http://www.14point7.com/JAW/JAW.htm If you can put it together yourself $45+10 shipping. Also need a wideband sensor, which you can find for 50-70 if you shop around. After building my megasquirt I'm sure this wouldn't be difficult at all. For someone trying te tweak their modifications maybe?
I wish I had found this prior to buying a LC-1 last winter.