05-27-2021, 12:23 PM
Gin60: I am not understanding - why does the top plug look spent? Are you just comparing thread pitch and ceramic electrode insulation length? Everything else is hard to compare.
Even the ceramic insulation is tricky to compare in the photo image because the lower image is slightly twisted toward the viewer.
Even the ceramic insulation is tricky to compare in the photo image because the lower image is slightly twisted toward the viewer.
