Impala Tech - View Single Post - Valve Appearance - 496 BBC
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post #1 of (permalink) Old 01-12-2020, 05:20 PM Thread Starter
68WASAGOODYEAR
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Join Date: Jan 2018
Location: Greenville, SC
Posts: 378
 
Valve Appearance - 496 BBC

Hello all,
While I had the intake off my 496, I noticed something odd. All of the valves look gummed up with blackish brown goop; something is not right....I think. At first I thought that maybe some oil that hadn't drained out had worked its way past the intake gaskets when I had the engine upside down to replace the oil pan gasket. But this stuff is sticky and doesn't wipe off easily. All 8 intake runners at the valves look like this. See attached pic; is this normal or are my valves gummed up already for some reason? Less than 1000 miles on her. Thanks for any replies.
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1968 Impala SS
496 Stroker
T56 Conversion
3.73 Posi-Trac
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