“Hi guy’s, The best stuff i have used is kbs coatings , I have restored several cars and old hot rods with there products. the aqua clean also works on stuborn tecumseh carbs with the stuck needle. takes about 10 min. of soak time.” Read the Entire Thread here: http://www.perr.com/phpBB3/viewtopic.php?f=14&t=2134 View other Feedback on KBS [...]