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spark plug cross reference help

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webhead
Renault 5 Driver



Joined: 22 Mar 2008
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PostPosted: 17:18 - 01 Apr 2015    Post subject: spark plug cross reference help Reply with quote
hi there i got a stripped sparky hole ,the plug is a CR7HS
Specifications
Thread Size: 10mm
Hex Size: 5/8" (16mm)
Reach: 12.7mm (1/2")
Seat Type: Gasket
Gap: .028" (0.7mm)
Heat Range: 7
Terminal Type: Threaded Stud
Resistor: Yes
Thread Pitch: 1.0mm
Brand: NGK

does anyone know of same plug but in a 12mm thread so i go go larger lol dirty talk.
many thanks.
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Islander
World Chat Champion



Joined: 05 Aug 2012
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PostPosted: 17:58 - 01 Apr 2015    Post subject: Reply with quote
Get it helicoiled.
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davebike
World Chat Champion



Joined: 15 Nov 2013
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PostPosted: 06:50 - 02 Apr 2015    Post subject: Reply with quote
Get it Timeserted helicoil is so last century and don't last that well !

There is probably not room to re thread to 12mm without compromising the valve seats
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Dave
NC750Xdct + others at work !
davebike1@gmail.com
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mentalboy
World Chat Champion



Joined: 05 May 2012
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PostPosted: 08:25 - 02 Apr 2015    Post subject: Reply with quote
davebike wrote:
Get it Timeserted helicoil is so last century and don't last that well !


They look interesting... Is it just a case of clear old hole, tap new one and use special tool to insert??
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davebike
World Chat Champion



Joined: 15 Nov 2013
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PostPosted: 08:51 - 02 Apr 2015    Post subject: Reply with quote
Yes insertion too expands insert to lock to thread thread lock is recommended
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Dave
NC750Xdct + others at work !
davebike1@gmail.com
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