I’m trying to figure out why my truck keeps blowing the head gaskets. I got a 96 f250 460 Efi out of a 97 has a 262/262 flat tap comp cam and that’s about all I’ve done to it other then a flow master exhaust. I’ve been using felpro gaskets cause that’s all the auto parts stores seem to have. Been having this problem since I cammed the motor. What can be causing this problem & what would you guys recommend on fixing my issue.