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Click on image for the lowdown. 
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
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on the Internet for over 30 years! and not clogged down
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#33426 06/28/2003 11:00 PM | Joined: Dec 2000 Posts: 64 Member | | Member Joined: Dec 2000 Posts: 64 | Black carbon on the spark plugs is usually caused by a very rich mixture of fuel. If this isn't cured it will wash down the cyl. walls and cause it to go to using oil.
kdot em3
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