Originally Posted by pdogg6
There are no differences in LPR from the Timmy generations. They'll all fit...
They were desinged to all fit, true, however not everyone makes everthing the same way/size. Try the 018 O'Ring on the outsid and the 015 on the inside, it that doesn't work you can try Quad Rings.
Should be easy to do I know, but with 5 or 10 companies making parts (some here some overseas) they all don't interchange well.