Plug spit prevention?
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New User
Joined: Oct 2007
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From: IN THE SNOW
Plug spit prevention?
Been keeping low profile as I research about the V10. The only question I have not really seen any extensive information on is if a small amount of the correct loctite on the plugs when torqued has given any aid to reducing the plug spiting as they loosen over time. Hope I didn't over look this but if I did please direct me to the correct topic.
Fleet Owner
Joined: Aug 2010
Posts: 21,253
Likes: 1,656
From: Reynoldsburg, Ohio
Modular Motor plugs most likely tend to loosen up due lack of proper torque during installation. By that I mean 21-23 lbs/ft instead of the factory recommendation of 7-14 lbs/ft.
I also use nickel-based anti-seize and change plugs at 50K rather than the 100K they're said to last. While this might bring about disagreement from others its worked flawlessly for me as well as a few others too.
BTW my experience is based upon the 2 valve versions of this engine.
I also use nickel-based anti-seize and change plugs at 50K rather than the 100K they're said to last. While this might bring about disagreement from others its worked flawlessly for me as well as a few others too.
BTW my experience is based upon the 2 valve versions of this engine.
Thread Starter
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New User
Joined: Oct 2007
Posts: 8
Likes: 0
From: IN THE SNOW
Modular Motor plugs most likely tend to loosen up due lack of proper torque during installation. By that I mean 21-23 lbs/ft instead of the factory recommendation of 7-14 lbs/ft.
I also use nickel-based anti-seize and change plugs at 50K rather than the 100K they're said to last. While this might bring about disagreement from others its worked flawlessly for me as well as a few others too.
BTW my experience is based upon the 2 valve versions of this engine.
I also use nickel-based anti-seize and change plugs at 50K rather than the 100K they're said to last. While this might bring about disagreement from others its worked flawlessly for me as well as a few others too.
BTW my experience is based upon the 2 valve versions of this engine.
Fleet Owner
Joined: Aug 2010
Posts: 21,253
Likes: 1,656
From: Reynoldsburg, Ohio
Like buying any used car/truck check it out or have it checked out thoroughly before the purchase.
FTE Chapter Leader
Joined: Nov 2010
Posts: 30,586
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From: N. IL
Installed correctly, V10 spark plugs will not spit out *****-nilly. That's been my experience. 
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Senior User
Joined: Mar 2009
Posts: 366
Likes: 1
From: Hanford, CA
dont use loctite and i wouldnt over torq them beyond the factory specs, i would just recheck them every 10k and retorq them
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Fleet Owner
Joined: Aug 2010
Posts: 21,253
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From: Reynoldsburg, Ohio
Then I found this here on FTE: https://www.ford-trucks.com/forums/1...ead-heads.html
After that I've followed my settings and never had a single issue. YMMV of course.
Senior User
Joined: Mar 2009
Posts: 366
Likes: 1
From: Hanford, CA
When new to Ford's Modular Motor I was scared to death torquing plugs--was sure one ft/lb over the factory spec would destroy everything.
Then I found this here on FTE: https://www.ford-trucks.com/forums/1...ead-heads.html
After that I've followed my settings and never had a single issue. YMMV of course.
Then I found this here on FTE: https://www.ford-trucks.com/forums/1...ead-heads.html
After that I've followed my settings and never had a single issue. YMMV of course.
Fleet Owner
Joined: Aug 2010
Posts: 21,253
Likes: 1,656
From: Reynoldsburg, Ohio
To me the proper torque wrench is key to steel plugs in aluminum heads---I have a Wright 3/8" model that's used for nothing but these plugs. Its probably the most well cared-for tool I own despite it's quite a bit less expensive than many others in the tool box. 
The other school of thought using factory torque but re-checking at 5-10K mile intervals never made a lot of sense to me. Then again I change plugs at 50K regardless claims they're good up to 100K.
I can't claim I've changed plugs hundreds of times but so far my specs---derived completely from FTE---have worked just fine.
The other school of thought using factory torque but re-checking at 5-10K mile intervals never made a lot of sense to me. Then again I change plugs at 50K regardless claims they're good up to 100K.
I can't claim I've changed plugs hundreds of times but so far my specs---derived completely from FTE---have worked just fine.
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