This is the degreasing product I used on a painted surface that did not affect paint...
Just keep in mind all paints are different.
But this stuff was GREAT.I used it full strenght in a spray bottle, let set, rinse.

Warrior ETC-1432...$13.20 a gallon
Etowah Chemicals
Atlanta....770-760-7031
Corp.......1-800-848-8541

Veeder Root Rebuilds.....since 1987
Veeder Root Identification CD
Gas Pump Clock Repair
jkyocom@bellsouth.net