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#1
06-10-2020, 03:00 AM
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AC43 Original vs. AC43 reproduction
Recently purchased a set of the AC43 reproduction spark plugs to compare to originals. I must say after installation one would have a difficult time knowing original or repro, as the differences are in the spring washer and script & knurl on the lower barrel of the spark plug. Script on the originals is "AC SPARK PLUG FLINT MICH MADE IN U.S.A."
 
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68,69&2015 Z/28's 69 L78 Nova Purchased new 32k miles 69 Restored Nova L34 Father/Son Few Corvettes Our 68 Z/28 Build thread- http://www.camaros.net/forums/showthread.php?t=182584 
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z28s4mjg (06-16-2020) | ||
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