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#696801 07/18/03 03:24 PM
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I been having a little problem. The middle plug on the back side of the engine will not stay in. Ever time I I start it it pops right out. Is there to much commpession or what. Need advice quick......

#696802 07/18/03 04:06 PM
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Oh man, that's bad news. Sounds like the hole is stripped. You're options are a new head, or a helicoil. New heads are expensive, but a helicoil isn't that bad from what I've read.

Read here for more info.


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#696803 07/18/03 04:10 PM
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Originally posted by chris_svt:
I been having a little problem. The middle plug on the back side of the engine will not stay in. Ever time I I start it it pops right out. Is there to much commpession or what. Need advice quick......




You've stripped the threads. A good shop can install a heli-coil, I've seen it done a hundred times in aluminum heads in motorcycles and also in aluminum heads in cars/trucks. In fact it's fairly often done in my other Ford, a V-10. Plugs blowing out of the heads has been a constant problem in the V-10's. I would try this before I paid for a new head, even though some dealers will tell you you have to buy a head, they're normally fixed with a heli-coil. Ken 99 Silver Frost SE Zetec Atx


Ken, 99 Silver Frost SE Zetec Atx, polished alloys, Kumho's, Pioneer hi power CD/AM/FM. Factory spoiler (added) Audi side lites, Borla stainless steel muff. Stolen, recovered in pieces. Looking for another Tour, preferably V6, 5 speed.
#696804 07/19/03 04:36 AM
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HeliCoil is stronger than stock threads


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#696805 07/19/03 02:47 PM
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this just happened to my brother...they re did it and changed all of the spark plugs..for his f-150 the best price he found was 1300...he got quotes for as much as 2k

good luck


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