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Old 01-20-2011, 06:08 PM   #3
stackz
Senior Member
 
Join Date: Sep 2009
Location: james island, sc
Posts: 121
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Quote:
Originally Posted by 04ctd View Post
i may sound stupid, but riddle me this.

i did the plugs in the 99 GT in my "my garage" pics,

and I just taped the spark socket to my extension using real thin strong clear packing tape.

it was a PAIN. one plug hole had a peice of trash in it, i had to fish it out with a bent up peice of coat hanger. took about 30 mins to fish that out.

was i supposed to use something special?
completely different. the 3v engines have the notorious 2 piece spark plugs that like to break off in the head due to a design flaw.

people with as little as 30k on the engine have had them break off. the lower most part has very tight clearances on the head around it and carbon builds up in the space between it and the casting and it sticks. then when people go to change them, the cheap tiny crimp job on the plug lets go and leaves it in the head, sometimes with the porcelain.

people either deal with it and keep using the tool during plug changes or swap to newer (more $10-20/each) single piece plugs.

here's info:
http://www.f150forum.com/f4/5-4l-3v-...09-07-a-56871/
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