there is a rubber wheel about 4 in in diameter that is specifically made to remove the decals. removes decal with the adhesive.
https://www.amazon.com/Remover-Stickers-Minutes-Wheel-toolkit/dp/B00VFACQRE/ref=sr_1_1_sspa?ie=UTF8&qid=1539289060&sr=8-1-spons&keywords=decal+remover+eraser+wheel&psc=1&smid=A2EZNOFZAZVR8
Ed So.Calif
1950 Ford F1 street rod
1968 Baha Bug with 2.2 ecotec motor 170 hp, kingcoil
2000 National Sea Breeze 5th wheel trailer
1998.5 Dodge 2500 4x4 Cummins,4.10 gears,turbo,trans,injectors,oil cooler,lockers,edge EZ, 35" BFG's, air dog lift pump etc.