spark plugs
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spark plugs
finishing the build on my 390, p/u truck next weekend, truck had a 360 prior, used same heads after referbish,
went to o'rielly for plugs, asked for 73 f250 390, they gave me a motorcraft, dont remember part #, this plug is a 5/8 peanut style plug, way to small, need the 13/16 plug, any suggestions on parts #'s for motorcraft or autolites?
thanks
went to o'rielly for plugs, asked for 73 f250 390, they gave me a motorcraft, dont remember part #, this plug is a 5/8 peanut style plug, way to small, need the 13/16 plug, any suggestions on parts #'s for motorcraft or autolites?
thanks
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