reading spark plugs - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

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post #1 of 3 (permalink) Old Jun 12th, 01, 03:42 PM Thread Starter
Senior Tech
Join Date: May 1999
Location: Jefferson City, MO.
Posts: 621

I just pulled the plugs on my 355, just checking them. I found seven out of eight that look identical, however, #3 has a green tint to the electrode and the part below the threads that is exposed in the cylinder is rusty. I think leaking headgasket, whats your opinion. I was headed to the dragstrip this weekend and was not planning on any major work before i went, but i don't think I want to flog it on the strip with this problem!
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post #2 of 3 (permalink) Old Jun 12th, 01, 06:38 PM
Senior Tech
Join Date: Feb 2001
Location: Concord Cal. USA
Posts: 2,664

Take a compression test better yet use a leakdown tester you can listen for the problem.

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post #3 of 3 (permalink) Old Jun 12th, 01, 06:49 PM
Senior Tech
Join Date: Mar 2001
Location: slaughters ky 42456
Posts: 238

I believe you got it right,sounds like a head gasket to me also.Green tint means only one thing,anti freeze.

69 Camaro SS 350 4 speed
55 Belair Sedan Pro Street 355 auto 9''
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