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it looks to me that they did not us a etch or epoxy primer over any bare mater spots . if you don't use a E-type primer over bare matel the finish will start to blister later on down the road . you may see at as soon as a year on car that are out in the elements every day to years if you only use the once and a while .
any bare metal spot bigger than a quarter you really shoud spray a coat of E-primer down 1st before you spray any filler type primer .
in my shop i make it mandatory to spray E-primer over any bare metal no matter how big the spot is of bare metal . on cars that are in for a resto it really is a must for the simple fact that for the most part cars like that do not get driven every day so insted of the 5 years the paint should last on daly drivers it's more like 10 to 15 for restored cars that the finish has to last .
paint CO's only for the most part warranty finishes for 5 years at the most . after that it's up to the shop to warranty the finish .
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