ok i was looking on ebay for a new window regulator (the plastic that holds the wire brock on my passenger side window). and i saw these things that clam they will improve the gas millege. heres one http://cgi.ebay.com/ebaymotors/FUEL-...QQcmdZViewItem
has anyone tryed these do they work?

KingTiger

 

Don't believe any of that stuff.

 

thats what i thought, but it never hurts to ask.

kingTiger