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12-04-2020, 05:39 PM
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#1
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Senior Member
Join Date: Sep 2013
Location: dickinson, tx
Posts: 327
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Plugs
Have 2001 v10 noticed some of the plug boots cracking cause of age got new coils with boots , would you replace plugs noting the problem with this year plugs. Have under 50 thousand miles on it runs very well it’s just 21years old
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12-04-2020, 05:59 PM
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#2
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Senior Member
Join Date: Jul 2014
Posts: 35,317
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Nope. Leave them be.
Ford says they are good until over 100,000 miles.
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12-04-2020, 06:05 PM
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#3
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Senior Member
Join Date: Dec 2019
Location: Canyon Lake, Texas
Posts: 3,020
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Plugs
Twinboats is right. Plus you risk damaging the threads in the heads. Notoriously bad about ejecting plugs after a plug change. Not enough threads. Those heads were updated in ‘03 to address that issue. But you probably knew that already.
__________________
2002 American Tradition 40'
Cummins 8.3, Banks 431hp, 1260 tq
Canyon Lake, TX
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12-05-2020, 08:26 AM
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#4
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Senior Member
Ford Super Duty Owner
Join Date: Dec 2009
Location: Mcdonough, Ga.
Posts: 5,926
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As someone who lost a plug, I would say change or retorque to 28 lbs. our # 4 plug blew out. Most of the time it is the #4 plug. If you change plugs make sure they are torqued to 28 lbs. our shop never had a plug blow if it had been torqued to 28 lbs.
__________________
1998 Pace Arrow 35 ft. F53 Ford V10 2014 Honda CRV toad
32 years mechanic at Delta Air Lines 15 year motorhome service manager. 3 popups....2 travel trailers....5 motorhomes....loved them all.
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12-05-2020, 08:34 AM
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#5
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Senior Member
Join Date: Oct 2014
Posts: 7,867
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Quote:
Originally Posted by ga traveler
As someone who lost a plug, I would say change or retorque to 28 lbs. our # 4 plug blew out. Most of the time it is the #4 plug. If you change plugs make sure they are torqued to 28 lbs. our shop never had a plug blow if it had been torqued to 28 lbs.
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Have not worked on the Ford V 10, but have LOTS of experience with installing spark plugs in aluminum heads (air cooled VW's).
We always used anti-seize on the threads before torquing the plugs (yes to slightly less torque than the "dry" spec).
What is Ford's recommendation visa via anti-seize?
__________________
Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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12-05-2020, 10:58 AM
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#6
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Senior Member
Join Date: Dec 2019
Location: Canyon Lake, Texas
Posts: 3,020
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Plugs
Quote:
Originally Posted by wolfe10
Have not worked on the Ford V 10, but have LOTS of experience with installing spark plugs in aluminum heads (air cooled VW's).
We always used anti-seize on the threads before torquing the plugs (yes to slightly less torque than the "dry" spec).
What is Ford's recommendation visa via anti-seize?
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You are definitely supposed to use anti-seize. And my understanding is the torque is 14 foot pounds not 28 and some say is supposed to be done while the engine is hot.
And although it’s aluminum heads it’s still different than most as in there is only four threads or so, so on top of all the precautions there is the added poor engineered product, And potential that it will pull what’s left of the threads out just changing them. So my recommendation is don’t change them unless it’s missing and coilpacks and wires don’t fix it.
__________________
2002 American Tradition 40'
Cummins 8.3, Banks 431hp, 1260 tq
Canyon Lake, TX
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12-05-2020, 11:10 AM
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#7
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Senior Member
Join Date: Jul 2014
Posts: 35,317
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Quote:
Originally Posted by wolfe10
Have not worked on the Ford V 10, but have LOTS of experience with installing spark plugs in aluminum heads (air cooled VW's).
We always used anti-seize on the threads before torquing the plugs (yes to slightly less torque than the "dry" spec).
What is Ford's recommendation visa via anti-seize?
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They don't seize, they blow out and rip out the two threads that hold them in.
The latter V10s plugs broke in half because the used more threads but 2 piece plugs.
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12-05-2020, 11:18 AM
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#8
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Senior Member
Join Date: Dec 2019
Location: Canyon Lake, Texas
Posts: 3,020
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A good friend just went through this on his 2000 V10 Excursion. I warned him to only change coil packs and to leave the plugs be. His shop he’s used forever “swore” They knew how to change his plugs and have never had one spit out. Long story short 2weeks later number one and number 2 spit out he had them repaired by my suggested shop and he sold his truck not knowing if eight more were going to eventually fail. The shop owner could not even tell him what he torqued them at and would not warranty the work so now he does not use them anymore.
__________________
2002 American Tradition 40'
Cummins 8.3, Banks 431hp, 1260 tq
Canyon Lake, TX
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12-05-2020, 05:28 PM
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#9
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Senior Member
Damon Owners Club
Join Date: Apr 2020
Location: Clovis NM
Posts: 4,389
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Quote:
Originally Posted by Rob_M
You are definitely supposed to use anti-seize. And my understanding is the torque is 14 foot pounds not 28 and some say is supposed to be done while the engine is hot.
And although it’s aluminum heads it’s still different than most as in there is only four threads or so, so on top of all the precautions there is the added poor engineered product, And potential that it will pull what’s left of the threads out just changing them. So my recommendation is don’t change them unless it’s missing and coilpacks and wires don’t fix it.
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According to my 2006 shop manual, torque is 25 ft lbs.
__________________
2006 Damon Daybreak 3276 35'with 5 Star Tuner. 3 200 Amp Lithium batteries and 2000 watt PSW inverter/charger. 2013 Elantra on a Master Tow dolly.
Retired USAF
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12-05-2020, 05:38 PM
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#10
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Senior Member
Join Date: Jul 2014
Posts: 35,317
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Quote:
Originally Posted by HarryStone
According to my 2006 shop manual, torque is 25 ft lbs.
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2006 is after the plug blow out problem was fixed, by a redesigning the head.
You can't just use the specs of a 2006 on the older engines.
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12-05-2020, 09:47 PM
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#11
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Senior Member
Damon Owners Club
Join Date: Apr 2020
Location: Clovis NM
Posts: 4,389
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Quote:
Originally Posted by twinboat
2006 is after the plug blow out problem was fixed, by a redesigning the head.
You can't just use the specs of a 2006 on the older engines.
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True; but I did find this regarding a company that fixes those heads for a living. They recommend 28 ft lbs. See question 51.
__________________
2006 Damon Daybreak 3276 35'with 5 Star Tuner. 3 200 Amp Lithium batteries and 2000 watt PSW inverter/charger. 2013 Elantra on a Master Tow dolly.
Retired USAF
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12-06-2020, 06:30 AM
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#12
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Senior Member
Ford Super Duty Owner
Join Date: Dec 2009
Location: Mcdonough, Ga.
Posts: 5,926
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Quote:
Originally Posted by Rob_M
You are definitely supposed to use anti-seize. And my understanding is the torque is 14 foot pounds not 28 and some say is supposed to be done while the engine is hot.
And although it’s aluminum heads it’s still different than most as in there is only four threads or so, so on top of all the precautions there is the added poor engineered product, And potential that it will pull what’s left of the threads out just changing them. So my recommendation is don’t change them unless it’s missing and coilpacks and wires don’t fix it.
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I normally say to follow factory specs. However this is a known problem. The change to 28 ft lbs is a proven repair. I have never seen a plug failure using 28 lbs. torque.
__________________
1998 Pace Arrow 35 ft. F53 Ford V10 2014 Honda CRV toad
32 years mechanic at Delta Air Lines 15 year motorhome service manager. 3 popups....2 travel trailers....5 motorhomes....loved them all.
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12-06-2020, 06:20 PM
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#13
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Senior Member
Join Date: Dec 2019
Location: Canyon Lake, Texas
Posts: 3,020
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Quote:
Originally Posted by ga traveler
I normally say to follow factory specs. However this is a known problem. The change to 28 ft lbs is a proven repair. I have never seen a plug failure using 28 lbs. torque.
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Well that’s good to know because in the past no one was sure if the problem was over-torque or under.
__________________
2002 American Tradition 40'
Cummins 8.3, Banks 431hp, 1260 tq
Canyon Lake, TX
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12-07-2020, 11:33 AM
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#14
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Senior Member
Join Date: Sep 2013
Location: dickinson, tx
Posts: 327
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Left plug’s alone just changed all the coils and boots
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