Quote Originally Posted by blacksambo View Post
What's a scan guage?
For your convenience...

http://www.google.com/url?sa=t&rct=j...b_CXSFc6H_qKhA

http://www.google.com/url?sa=t&rct=j...tx1Pko_fihxGsg

http://www.aeroforcetech.com/products_gauge_pods.html