I don't think it will last either, but if I were going to attempt the J-B thing I would insert the ring in the cylinder first. Then fill the putty in the groove and pull the ring out when it's ready. Otherwise you would end up pushing the excess up into the top of the cylinder where you can't...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.