Major gunk in intake manifold.

04-20-2002, 07:44 AM

MarkM

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Join Date: Sep 2001

Location: Concord, MA

Posts: 603

Major gunk in intake manifold.

During recent head replacement, i had the manifolds off. The intake manifold was loaded with major black gunk!!! ...at least 1/4 inch thick all around. Very messy job to clean (solvents, engine cleaner, big bottle brush, etc.)

What causes this..blowby past valve guides??

Thanks,

Mark

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1984 300TD Wagon, 407,800 mi (current daily driver)
1985 300DT Sedan, 330,000 mi (gone to that great autobahn in the sky)

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