Main Motorcycle: custom harley
Join Date: Jun 2012
Location: Shingletown CA
Other Motorcycle: 71 TR6
Extra Motorcycle: varies
what flakes paint off, is contamination of the primer.
small chips made bu the filler hose nozzle, allow the gas to come in contact with the primer. Primer is very soft, and when it absorbs gas it breaks down, leaving nothing between the metal and the paint.
Some tanks are a real pain to paint, because you know that they will peel, and you know it will be owner carelessness that causes it, but you cannot always explain that to the customer, and make them understand