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bad plug #4559423
10/30/17 03:36 PM
10/30/17 03:36 PM
Joined: Oct 2010
Posts: 452
SW Florida
Taildragger Offline OP
Taildragger  Offline OP
Joined: Oct 2010
Posts: 452
SW Florida
Couldn't get a clean mag check. Wonder why.



04 F-150 5.4
73 Big Block, 4sp Corvette
15 Mazda 3
Couple of airplanes
Re: bad plug [Re: Taildragger] #4559428
10/30/17 03:44 PM
10/30/17 03:44 PM
Joined: Aug 2003
Posts: 13,137
NE,Ohio
Rand Offline
Rand  Offline
Joined: Aug 2003
Posts: 13,137
NE,Ohio
Is that a spark plug fouled with leaded fuel deposits?

Kind of cryptic picture and title.. until I noticed the forum subsection.


2019 Jeep Cherokee Trailhawk 2.0T
Re: bad plug [Re: Taildragger] #4559430
10/30/17 03:47 PM
10/30/17 03:47 PM
Joined: Jan 2012
Posts: 421
hawthorne, Ca.
46Harry Offline
46Harry  Offline
Joined: Jan 2012
Posts: 421
hawthorne, Ca.
How many hours on the plugs since they were last cleaned. If my eyes aren't deceiving me, it looks like the porcelain is cracked. You got your money's worth out of that plug as the center electrode has the football shape of a high time plug. What engine did the plug come from?

Re: bad plug [Re: Taildragger] #4559499
10/30/17 05:31 PM
10/30/17 05:31 PM
Joined: Oct 2010
Posts: 452
SW Florida
Taildragger Offline OP
Taildragger  Offline OP
Joined: Oct 2010
Posts: 452
SW Florida
Log books show that is was inspected in accordance to,,,,, no mention of plugs.


04 F-150 5.4
73 Big Block, 4sp Corvette
15 Mazda 3
Couple of airplanes
Re: bad plug [Re: Taildragger] #4559521
10/30/17 05:36 PM
10/30/17 05:36 PM
Joined: Oct 2014
Posts: 12,574
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,574
Idaho
That is why there are 2 of banana each !


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: bad plug [Re: Taildragger] #4559582
10/30/17 06:20 PM
10/30/17 06:20 PM
Joined: Apr 2003
Posts: 120
TX
fields Offline
fields  Offline
Joined: Apr 2003
Posts: 120
TX
You got the good out of that one! i would look at all of them.

Re: bad plug [Re: fields] #4559626
10/30/17 06:50 PM
10/30/17 06:50 PM
Joined: Oct 2010
Posts: 452
SW Florida
Taildragger Offline OP
Taildragger  Offline OP
Joined: Oct 2010
Posts: 452
SW Florida
Originally Posted By: fields
You got the good out of that one! i would look at all of them.


Hmm, okay. Good idea. wink

BTW, not my airplane, just working on the annual inspection.


04 F-150 5.4
73 Big Block, 4sp Corvette
15 Mazda 3
Couple of airplanes
Re: bad plug [Re: Taildragger] #4559675
10/30/17 07:40 PM
10/30/17 07:40 PM
Joined: Jan 2008
Posts: 723
TX
maximus Offline
maximus  Offline
Joined: Jan 2008
Posts: 723
TX
Plane probably got Parker annuals for the past decade.


2011 Sonata GLS.
Re: bad plug [Re: Taildragger] #4559706
10/30/17 08:23 PM
10/30/17 08:23 PM
Joined: Apr 2003
Posts: 120
TX
fields Offline
fields  Offline
Joined: Apr 2003
Posts: 120
TX
Ah OK-thought it was your plane. You took a great picture.

Re: bad plug [Re: Taildragger] #4560115
10/31/17 10:12 AM
10/31/17 10:12 AM
Joined: Dec 2003
Posts: 672
New England, USA
wings&wheels Offline
wings&wheels  Offline
Joined: Dec 2003
Posts: 672
New England, USA
Not the worse fouling I've seen, but that plug has seen a full life.

I like fine wires, $$ but worth it in our experience.

What is the plug mounted in for the picture?


'05 Lotus Elise S/C
'85 Land Rover 90 diesel
'74 Triumph TR6
'72 Land Rover Series III 88"
'99 Porsche 996/'01 Boxster S (Wife's...)
Pa28-236


Re: bad plug [Re: maximus] #4560268
10/31/17 01:14 PM
10/31/17 01:14 PM
Joined: May 2014
Posts: 3,826
Columbus,Nebraska
Yah-Tah-Hey Offline
Yah-Tah-Hey  Offline
Joined: May 2014
Posts: 3,826
Columbus,Nebraska
Originally Posted By: maximus
Plane probably got Parker annuals for the past decade.
Oh yow. A P-51(Parker 51) annual. Probably done by a Spartan grad. banana

Re: bad plug [Re: wings&wheels] #4560586
10/31/17 06:34 PM
10/31/17 06:34 PM
Joined: Oct 2010
Posts: 452
SW Florida
Taildragger Offline OP
Taildragger  Offline OP
Joined: Oct 2010
Posts: 452
SW Florida
Originally Posted By: wings&wheels
Not the worse fouling I've seen, but that plug has seen a full life.

I like fine wires, $$ but worth it in our experience.

What is the plug mounted in for the picture?


A plug caddy, a darn handy device! The cracked insulator really surprised me.

Last edited by Taildragger; 10/31/17 06:35 PM.

04 F-150 5.4
73 Big Block, 4sp Corvette
15 Mazda 3
Couple of airplanes
Re: bad plug [Re: wings&wheels] #4560672
10/31/17 08:12 PM
10/31/17 08:12 PM
Joined: Oct 2010
Posts: 452
SW Florida
Taildragger Offline OP
Taildragger  Offline OP
Joined: Oct 2010
Posts: 452
SW Florida
Originally Posted By: wings&wheels


What is the plug mounted in for the picture?


http://www.aircraftspruce.com/catalog/topages/sparkplugtray.php?clickkey=3028107



04 F-150 5.4
73 Big Block, 4sp Corvette
15 Mazda 3
Couple of airplanes
Re: bad plug [Re: Taildragger] #4560927
11/01/17 06:23 AM
11/01/17 06:23 AM
Joined: Feb 2003
Posts: 7,679
Jupiter, Florida
Cujet Offline
Cujet  Offline
Joined: Feb 2003
Posts: 7,679
Jupiter, Florida
Iíve had a few go bad over the years. Not all that common, but not unusual.


People who count on their fingers should maintain a discreet silence.
Re: bad plug [Re: Taildragger] #4561372
11/01/17 03:29 PM
11/01/17 03:29 PM
Joined: Dec 2003
Posts: 672
New England, USA
wings&wheels Offline
wings&wheels  Offline
Joined: Dec 2003
Posts: 672
New England, USA
Originally Posted By: Taildragger
Originally Posted By: wings&wheels


What is the plug mounted in for the picture?


http://www.aircraftspruce.com/catalog/topages/sparkplugtray.php?clickkey=3028107



Like that. I just have the standard Aircraft Spruce sheet steel one.


'05 Lotus Elise S/C
'85 Land Rover 90 diesel
'74 Triumph TR6
'72 Land Rover Series III 88"
'99 Porsche 996/'01 Boxster S (Wife's...)
Pa28-236



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