Are these things legit? There are a few different "speed chips" or tuning chips available. They claim to better the timing or increase air/fuel mixture or some other technological crap. Any reason to buy them? Any reason to avoid them like the plague? Here is a link to one
http://cgi.ebay.com/ebaymotors/Linco...QQcmdZViewItem
http://cgi.ebay.com/ebaymotors/Linco...QQcmdZViewItem
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