Guest imported_MikeWilliamsUK Posted October 4, 2007 Share Posted October 4, 2007 I have an early crank with core plugs, two of which have fallen out since an engine rebuild - with resultant lack of oil pressure and potential damage. Is there a better way of fixing them in?The engine is back together now, so this is for "next time", but has anyone tapped the holes and used threaded plugs? Link to comment Share on other sites More sharing options...
peecher Posted October 8, 2007 Share Posted October 8, 2007 Mike, did some checking and it seems that tapping and plugging is the prefered method after cleaning the slug traps on Ford Flathead crankshafts. Evidently the welch plug replacement is not reliable as you found out. Link to comment Share on other sites More sharing options...
no more Posted October 8, 2007 Share Posted October 8, 2007 LOSE THE PREWAR CRANK.PERIODLATER RODS AND CRANK WITH LARGER JOURNALS AND NO SLUDGE TRAPS....POST HERE, I SURE U WILL FIND SOME...OR VERY CAREFULLY SELECT WELCH PLUGS, THERE ARE SOME A LITTLE BIGGER IN THE SAME BOX...THEN JB WELD THE OUTSIDE....JB Link to comment Share on other sites More sharing options...
Guest imported_MikeWilliamsUK Posted October 8, 2007 Share Posted October 8, 2007 Thanks very much chaps.Mike Link to comment Share on other sites More sharing options...
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