It might not be a problem with the primer, did you use a wax and grease remover prior to the topcoat, if the it's been in primer for awhile you may have some oil or silicone on the primer from other activity.


1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy