Expiremental OM617 build
Expiremental OM617 build
i already reshaped the pre-chambers i ended opening them up only about 15-20 thou but i tapered all the openings. i have heard that opening the chambers too far can cause severe nailing so i decided to go easy for now. the tapering should help too, and i intend on getting another set to open much further and see what happens so thats something else to try.