29-08-2022, 09:44 PM
Effective cost and amount of work required would depend on how many need doing. If it was the whole lot then helicoiling as suggested would probably be the way to go. If only a few then tapping oversize might be preferred?
Incidentally besides early mag engines, the Austin 10 had the same screws, but with the BSF thread.
Incidentally besides early mag engines, the Austin 10 had the same screws, but with the BSF thread.