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View Full Version : Plug chops with used plug


StepVino
06-20-2006, 09:03 PM
Hi, I read up on a few threads that mentioned it's ok to do plug chops
with used plugs. I tried it this evening with these results.

First two pics are of the starting conditions of the plug.

Next two are first wot run. I noticed some deposits on half
the electrode from the case. Didn't know if this was there
when I started, so I scratched them off.

Bottom 2 pics are from last run.

It looks a lot better than the pure white I had the other day, but this
time the plug started with deposits on it already. Also, I read that it's
good to have some dark deposit around the edge of the case, but I don't
have any of that. Should I feel comfortable that the mixture is ok at
wot?