Tune help - with port map (rough) Jan 28, 2024 18:53:17 GMT 1 via Tapatalk Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by oldboy7rr on Jan 28, 2024 18:53:17 GMT 1 Hi guysCan anyone help? I have a set of barrels with an unknown state of tune.I have attached a rough rub of the ports. They have no tuner etchings and have been shot.Any info gratefully received.Jay