Guest Posted January 10, 2004 Share Posted January 10, 2004 What plug do I need for my 55 Firedome? I prefer Autolites, and their website says #85, but I'm not sure that's correct. That's the same plug as for the B/RB engines.Thanks,Roger Link to comment Share on other sites More sharing options...
Guest imported_cadlights Posted January 11, 2004 Share Posted January 11, 2004 My 1958 motors manual says autolite 4S-140.Hope that helps.Keith. Link to comment Share on other sites More sharing options...
Guest Posted January 12, 2004 Share Posted January 12, 2004 Keith;Is that a current Autolite number?Thanks,Roger Link to comment Share on other sites More sharing options...
Guest imported_cadlights Posted January 12, 2004 Share Posted January 12, 2004 Current number is 306. Link to comment Share on other sites More sharing options...
Guest Albert Posted January 12, 2004 Share Posted January 12, 2004 i show all 52-55 desoto V8 using champion stock #58 which is an rj18yc .035 gap using autolite # 86 or 87 crosses over or autolite #AR82 or Bosch WR10F or WR10FC Link to comment Share on other sites More sharing options...
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