So maybe we're thinking the quoted price from totalseal was a bit steep? I wouldn't mind taking a crack at making my own gapless rings with a vise and some fancy filing work if I had some junk rings to try it out on. Anyone got old 75-77mm rings to mail to me? What is the likelihood of this working if the filing job were to be flawless? Would a 75-77mm ring still make a perfectly circular compression seal in a 74mm bore if it were made gapless down to 74mm?
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