How To: C15a Wire-3 restoration

[Grant Bowker]

For the exterior surfaces a wire wheel on your bench grinder should be quite fierce enough - basically rubbing off any little bits and polishing the surface. For internal passages a drill bit held/twisted in your fingers to clear any solid bits. For the thread and seat areas - handheld wire brush, gentle picking, perhaps spray brake cleaner would dissolve hardened or dried on brake fluid.

[rob love]

Shining is wearing. You do not want to distort the sealing ring areas, nor pit the areas where the flares of the lines go.