Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#16
04-29-2005, 11:44 PM
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Re: DZ Spark Plugs?
NGK appears to have a million different indentifiers for their plugs. How the heck did you decode UR5 for your L78. My car decodes to B6S for an R44. With the middle number being the heat range 5-6-7. 6 being middle. replacement.
 
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1969 Z28 1972 Corvette 
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