carfreak85 Posted September 17, 2008 Share Posted September 17, 2008 About to stuff a mystery EA63 into our '76 wagon. At least one spark plug is kinda corroded. We have a set for a Forester that DO thread into a EA71 and the EA63 block. Assuming that they protrude into the combustion chamber the same amount, can I use them on this engine? Link to comment Share on other sites More sharing options...
Jerry DeMoss Posted September 17, 2008 Share Posted September 17, 2008 I really wouldn't advise it. Your chances of fubar'd piston or something may be pretty good.:-\ Link to comment Share on other sites More sharing options...
RenaissanceMan Posted October 1, 2008 Share Posted October 1, 2008 *sigh* you would prefer to use those than invest $8 in a set of standard NGK BPR6ES's? Link to comment Share on other sites More sharing options...
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