Originally Posted by rs899

If you have only slightly cut into the male threads and have not compromised the bevel of where the new hose end seats into the end of the oil cooler port, IMO there is no need to do anything but put your new lines on and enjoy.

When I replace the lines, I cut across the nuts and spread them out with a screwdriver to break any corrosion between the steel nut and the alloy port. Inevitably, I slightly cut into the male port thread, but as long as I dont ruin the sealing bevel surface, the line won't leak or fail .

Rick