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  1. H

    440 bent 4 spark plug electrodes

    problem resolved. Son in law who owns the car dropped carb aircleaner adapter down intake and either didnt say anything or didnt realize. amazing how it bounced to all 4 cylinders. only found the debris in #2. looked like a fishing sinker. I think the broken spark plug porcelin was continuing to...
  2. H

    440 bent 4 spark plug electrodes

    ill pull heads this weekend and report back
  3. H

    440 bent 4 spark plug electrodes

    gapped prior to installation - - - Updated - - - crank, rods, pistons and block came together bought off craigslist. heads came from friend - - - Updated - - - have to make decision soon as to pull motor this weekend if no other solution considered
  4. H

    440 bent 4 spark plug electrodes

    Ill get pics of plugs tomorrow. used champion rj12yc, just 4 bent , other 4 ok. one of the electrodes is bent out not down??? flat top pistons, stock heads, fel pro gaskets. - - - Updated - - - these are smashed down to threads on plug and porcelan destroyed except the one the bent outward...
  5. H

    440 bent 4 spark plug electrodes

    just built 440. 76 block with stock pistons, rods and crank. heads out of 69 model year. ran rough almost immediately. pulled plugs and #2, 8, 3 and 5 were all bent. any ideas where i went wrong? cant be coindence on the corresponding cylinders...
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