Blown bb chevy spark plugs

Old 05-07-2019, 02:34 AM
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Join Date: May 2019
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Default Blown bb chevy spark plugs

hi I have a 34 ford coupe here in the uk running a blown 502 bb chevy, I checked the spark plugs and its fitted with ngk7fs plugs, I checked these to a tecumsa lawn mower engine !!!!!! can anyone tell me what plug I need using ngk, im told I need copper core plugs and what gap size, Im not Drag Racing just Occassional Street Race. Thanks
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