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Stripped spark plug threads

 
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Old 08 Jul 2015, 06:12 pm
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Default Stripped spark plug threads

O.K. One of my spark plug threads is stripped..so
I have started to tap out the hole..but its raining again..
had to stop..so im back inside
here is the insert from NAPA..the package says
for all aluminum heads only..it looks as it has no taper..
has anyone used these?
will it work?
I went to the local repair shop ...he had the same ones
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Old 08 Jul 2015, 06:33 pm
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Default Re: Stripped spark plug threads

the aluminum ford 32v aluminum headed 4.6 and 5.4 v8's and the v10 were plagued by this. the common and accepted fix was the link below. there's tons of reading on it if you search. sticky grease to catch ALL the shavings while using the tap seems to be a key part of it.

not sure if the PT has the same thread size..
http://www.summitracing.com/parts/lil-65000

more kits:
http://www.summitracing.com/search?S...0%2B4294854894

there are a plethora of options out there. the better solutins are offered as kits. i recommend searching for "FORD stripped spark plug repair kit" and reading a bit, and then finding a kit you like that is the correct size for your PT

Last edited by rob342; 09 Jul 2015 at 06:50 am.
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Old 08 Jul 2015, 06:59 pm
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Default Re: Stripped spark plug threads

Quote:
Originally Posted by MJKnight View Post
O.K. One of my spark plug threads is stripped..so
I have started to tap out the hole..but its raining again..
had to stop..so im back inside
here is the insert from NAPA..the package says
for all aluminum heads only..it looks as it has no taper..
has anyone used these?
will it work?
I went to the local repair shop ...he had the same ones
This type of insert is called a TIME-SERT. They are expanding at the bottom of the insert to prevent them from backing out. You need to follow the steps to ensure proper installation. You can read about them here and why they are superior to heli-coils: TIME-SERT
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Old 08 Jul 2015, 11:26 pm
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Default Re: Stripped spark plug threads

Wow funny all the arguments when I recomemdd them a while ago .
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Old 09 Jul 2015, 06:15 am
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Default Re: Stripped spark plug threads

I have tapered plugs...
this has a flat shoulder...
not sure if it will seal
thinking about cutting off the shoulder
and screwing it into the head
with loctite.....
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Old 09 Jul 2015, 06:56 am
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Default Re: Stripped spark plug threads

they make them with tapers. just get the right one instead of trying to butcher one

+ TIME-SERTŪ SPARK PLUG THREAD REPAIR KITS + spark plug stripped thread repair kits for spark plug problems, thread stripped spark plug repairs in damaged threads in spark plug hole stripped out approved thread repair, aluminum head spark plug repair
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Old 09 Jul 2015, 07:18 am
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Default Re: Stripped spark plug threads

Quote:
Originally Posted by NitroPT View Post
Wow funny all the arguments when I recomemdd them a while ago .
Yup, really funny.


From the other thread about transmission pans:

Quote:
Originally Posted by myckee View Post
I agree, a Time-sert is awesome. I used one to repair the drain plug on my Intrepid's cast aluminum oil pan. There is limited thread engagement there, and I was worried that a heli-coil wouldn't be strong enough, so a time-sert was used and no further trouble.

That said, for a low torque, non critical, and very seldom accessed, trans pan bolt, if it was me, I would simply use a heli-coil to repair that bolt on my car.

Last edited by myckee; 09 Jul 2015 at 07:23 am.
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Old 09 Jul 2015, 07:28 am
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Default Re: Stripped spark plug threads

you two should get a room.
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Old 09 Jul 2015, 08:20 am
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Default Re: Stripped spark plug threads

Quote:
Originally Posted by rob342 View Post
you two should get a room.
really!

So you would rather read advise from member's that are arm chair computer internet racers?
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Last edited by NitroPT; 09 Jul 2015 at 09:18 am.
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Old 09 Jul 2015, 09:03 am
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Default Re: Stripped spark plug threads

It amazes me how many people tighten spark plugs without a torque wrench and don't follow a simple rule of "turn until snug and 1/16 turn from that point".

Attention to details can save a lot of time and money.
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Last edited by ptcruisersteve; 09 Jul 2015 at 09:05 am.
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