View Single Post
Old 08-01-2008, 02:30 AM
  #4  
johnracer
Senior Member
DYNO OPERATOR
 
Join Date: Aug 2005
Location: Rifle Colorado
Posts: 585
Default

I've had several different cars certified and never had more than greasy spots where they tested for tube thickness. No scratches, scrapes nothin'.....
johnracer is offline