 Spark Plug question
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Joined: Aug 2005
Posts: 2,726
Loquacious
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OP
Loquacious
Joined: Aug 2005
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I know the plugs are 18mm, but does anyone know if the socket is a standard size or is it metric as well. I'm in my office and can't pull a plug to compare. I was setting up an appointment with a friend to check my compression. He wanted to know if the plug fitting (hole) was standard or if not, what size? He said many metric cars use metric plugs but the base is standard.
Bob
2005 America, 904cc - sold. 2014 Trophy SE.
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Re: Spark Plug question
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Joined: Sep 2007
Posts: 1,668
Learned Hand
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Learned Hand
Joined: Sep 2007
Posts: 1,668 |
Exactly the same as the AI hole, which is M12x?
Howbeit when He, the Spirit of truth, is come; He will guide you in all truth:
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Re: Spark Plug question
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Joined: Sep 2005
Posts: 3,816
Freelance Jedi Knight
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Freelance Jedi Knight
Joined: Sep 2005
Posts: 3,816 |
18 mm metric thin walled socket needed to pull out plug and thread is metric 12mm
Last edited by Grzegorz; 05/12/2009 2:55 PM.
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Re: Spark Plug question
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Joined: Feb 2008
Posts: 2,671 Likes: 15
Loquacious
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Loquacious
Joined: Feb 2008
Posts: 2,671 Likes: 15 |
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Re: Spark Plug question
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Joined: Jun 2006
Posts: 1,382
Learned Hand
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Learned Hand
Joined: Jun 2006
Posts: 1,382 |
You know I was wondering about that. I was looking at the Cruz Tools kit and the plug socket in the kit didn't fit our plugs. Now I know what to get.
'06 TBA - Black, AI and Snorkel removed, K&N Drop In, Gutted Stock Pipes, 145/42, 2 turns out.
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Re: Spark Plug question
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Joined: Jun 2007
Posts: 605
Adjunct
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Adjunct
Joined: Jun 2007
Posts: 605 |
Quote:
Exactly the same as the AI hole, which is M12x?
So if one was capable of wiring a second coil for each side, we could have 2 plugs on each piston? Has anybody looked into this? I know ford does this 2 spark plug per cylinder on their ranger's 4 cyl. Wondering if it were possible, because it would increase some HP wouldn't it?
Aaron
04 "Green Bean" Freaked, AI removal, Bafflectomy, 6" Risers, and 30" Drag Bars.
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Re: Spark Plug question
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Joined: Aug 2007
Posts: 10,735 Likes: 7
Should be Riding
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Should be Riding
Joined: Aug 2007
Posts: 10,735 Likes: 7 |
The new Thunderbird has 4 sparkplugs too, 2 per cylinder.
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: Spark Plug question
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Joined: Sep 2007
Posts: 1,668
Learned Hand
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Learned Hand
Joined: Sep 2007
Posts: 1,668 |
Quote:
Quote:
Exactly the same as the AI hole, which is M12x?
So if one was capable of wiring a second coil for each side, we could have 2 plugs on each piston? Has anybody looked into this? I know ford does this 2 spark plug per cylinder on their ranger's 4 cyl. Wondering if it were possible, because it would increase some HP wouldn't it?
It could only be for looks. The AI hole does not go into the combustion chamber. It goes into the exhaust port. 
Howbeit when He, the Spirit of truth, is come; He will guide you in all truth:
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Re: Spark Plug question
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Joined: Jun 2007
Posts: 605
Adjunct
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Adjunct
Joined: Jun 2007
Posts: 605 |
Dangit man... why you gotta be like that crushin my dreams and whatnot.
I didn't even think about that being the exhaust port. Duh.
Aaron
04 "Green Bean" Freaked, AI removal, Bafflectomy, 6" Risers, and 30" Drag Bars.
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Re: Spark Plug question
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Joined: Aug 2005
Posts: 2,726
Loquacious
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OP
Loquacious
Joined: Aug 2005
Posts: 2,726 |
Yesterday, I decided to buy the Craftsman Compression Test kit. It was on sale (online) and comes with all adaptors (inc. 12mm) and snap on cables in a storage box. I wanted to be able to do my own compression checks (dry and wet) to help determine why my engine is using oil. When I have all the results, I'll call my service dealer back.
Bob
2005 America, 904cc - sold. 2014 Trophy SE.
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