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Found some casing dowels, 3 of them I also found some 6 x 10 solid dowels but they ain't from the casing, they are the pins used in the 500 gearbox selector forks, the ones which run in the grooves of the selector drum. The only difference I can spot is that the genuine dowel pins have a slight chamfer on the edges, most likely to help them locate. You could file those onto the new ones easily.I'll put them in the box.
Posted today Dom £4.19.
Don't forget to remove the orings at the base of the liners Dom, before you put the barrels in the oven. Then of course, don't forget to fit new ones after the work is complete. New liners in the freezer, pop out old ones when the barrels are hot and knock the new ones in with a block of wood until they are flat. Make sure the top hat groove in the barrels is clean when you knock out the old ones, for some reason they collect crap which leaks down past the lip. You're supposed to have the head skimmed after fitting new liners, just to make sure they are flat. I'm not saying it's needed, never done liners myself, yet anyway. So long as they are flat they may e fine, maybe a straight edge across the surface will show whether they are or not. Before putting barrels in the oven, make sure they are clean as possible or you'll make a lot of fumes which don't smell that nice. Don't ask me how I know that
He may do but that doesn’t mean it’s needed. It could be just a precaution.
You need to find someone with a surface grinder Dom as its steel they will be skimming, unlike a normal head skim which is alloy.