Thread: AC spark plug application
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Old 10-02-2009, 06:49 PM
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DarrenX33 DarrenX33 is offline
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Default Re: AC spark plug application
Here is a 1969 chart. Then in 70 the hi perf models had tapered plugs (T). I'm sure someone will correct me if I am wrong..
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1969 Z28
1972 Corvette
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