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Click on image for the lowdown. 
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| | | Forums66 Topics128,012 Posts1,055,317 Members48,419 | | Most Online14,466 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
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Jun 2012 Posts: 1,747 'Bolter | | 'Bolter Joined: Jun 2012 Posts: 1,747 | Ever wash something with gas? We all have. Ever let it dry and see how much "film" is left on it? That film is conductive. Made up of left over hydrocarbons. Not burned off ash. Carbon is a conductor. All it needs to be is fewer ohms than the air gap at the plug and voltage will follow it to ground and not jump across the plug gap. The path of least resistance don't care about distance. From the center electrode to the ceramic to the shell. Less ohms is all it wants. Try some new plugs like Dave said. After it starts you can put them in one at a time and they will get better. Then you have a spare set. Yes I am cheap. That is not a crime. 
Steve H
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