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Old 08-04-2017, 10:29 PM   #14
53chevyforever
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Join Date: Jul 2010
Location: texas
Posts: 180
Re: Spark Plugs What is wrong?

Quote:
Originally Posted by AussieinNC View Post
Cyl 3,4 and 6 all look like water contamination within the combustion chamber...

Compression test and leak down test...most likely blown head gasket between 4 and 6...

Could also be a lean out due to manifold crack...is this a two barrel or four barrel carb?

Open plenum manifold or closed ?
Manifold is edelbrock performer bought new from oriellys by the guy I
bought truck from....carbs are not the problem both that I have tried run
perfect on my other truck.
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