hi there people can i reuse the head gasket in my 235 its not damaged in any way can i re coat it with copper spray all because the valve spring broke dropped the collit bent the valve and the conrod i also have a vibration in the drive train i have replaced the universal but getting vibration through the clutch she really jumps around also what grade oil do you use i have a 46 p/up with 235 donkey thanks see ya later


p j a