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yea i gapped pretty close to .054 but cylinder 4 spark plug failed and i changed it out with another champion and it works just fine again. I bought them for the one piece design but after researching it looks like the motor-craft sp-514 can hold up well without breaking because they are welded (that is what i have heard so far)
107,000. New clutch, reworked transmission. Getting car repainted next year. Car is now a hotrod with the Kooks Longtube Headers. The Detriot Rocker cams are now awake.