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International Automotive Technicians Network
Re: What causes a backfire?
Posted to Technical Theory Forum on 1/1/2003

In an experiment I used to perform

I'd start by holding the cut

[...trimmed text...]

In 1970, I saw a Champion spark plug Rep run a one cylinder engine with only 7"-8" of the plug wire together. He started with 2 24" ... Login to read more.