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Put in NGK TR5, gapped them at .045
Changed plug wires to Borg Warner OEM replacements
AND WOW
I never knew a corvette could run so smooth. Seems my power band is smoother and throttle response increased...58K on the car and most of my factory plug wires detatched right out of the connector boot with maybe 5 lbs of pulling pressure, not good, plus 3 plugs were siezed pretty good, ive got a few slices on my hands and knuckles to prove it. Everyone was right, the number 7 cylendar is a beeotch, along with the entire drivers side. The passenger side couldnt be easier really...
Thanks for all the information posted on here with recommendations on plugs!! I LOVE the search feature.