[Shop-talk] Stuck Spark Plug

[John T Blair]

Was over at my son's house this afternoon.  He's working on his Ford F150 up with the turbo (can't remember what Ford calls that - economy of a 6 and power of a V8).  He had to replace the valve (rocker box) cover as it was leaking as were the spark plug gaskets as the well the plugs were in were foll of oil.  He managed to get it all done.  However, we wanted to change the plugs.  When he tried to break the 1st plug loose, it wouldn't budge.  He was using a 3/8s" ratchet and breaker bar to no avail.  We went looking for a 1/2" to 3/8" adapter so we could get more torque using a larger 1/2" ratchet and or breaker bar, but we couldn't find an adapter.  

Now this being said, I remember seeing something about using an impact wrench on an ezout because it turns so little that you don't break the ezout.  I was wondering if this would work for a stuck spark plug?  We did squirt some PB blast doen into the plug wll and let sit for about 5 min and tried again with the 3/8" drive breaker bar.  
So my question to the group is:  Do you think that we could use an impact wrench to break the plug loose then once it's broken loose remove it with the ratchet?
JohnT
John T. Blair  WA4OHZ     email:  jblair1948 at cox.netVa. Beach, Va                  Phone:  (757) 495-8229

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