Luke
Member
Registered: 9th Dec 05
Location: Oxford Drives:Corsa B C20LET
User status: Offline
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anyone know where i can get an 11mmx1.25 helicoil? ive tried lots of places but no luck
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luke85
Member
Registered: 26th Nov 07
Location: Chesterfield
User status: Offline
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Rs sell loads thats where I get them from but there is no M11 size?
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Luke
Member
Registered: 9th Dec 05
Location: Oxford Drives:Corsa B C20LET
User status: Offline
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on my c20let block it has helicoils in there, me bing stupid pulled one out whilst attached to a head bolt & stretched the helicoil. went to fit my arp's & the size is 11mm, weird size apprently
[Edited on 07-08-2008 by lyfie]
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luke85
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Registered: 26th Nov 07
Location: Chesterfield
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Metric sizes are M10 or M12 Im sure but like you say, they will be a fine thread.Maybe ring ARP to get the definite thread size? or someone might know on here?
Then if RS dont have them you can try cromwell tools
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Luke
Member
Registered: 9th Dec 05
Location: Oxford Drives:Corsa B C20LET
User status: Offline
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i'll get on the blower to chrisastleymotorsport, thats where i got them from, they might be able to help
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Luke
Member
Registered: 9th Dec 05
Location: Oxford Drives:Corsa B C20LET
User status: Offline
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the thread size of the arp is 11mm, chris astley said try an 12mmx1.25 helicoil or a 13mm one
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luke85
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Registered: 26th Nov 07
Location: Chesterfield
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Thing is if your looking for a metric helicoil you will be looking at either M10 or M12, there is no M11 or M13
M12x1.25 rings a bell for me, are you measuring the diameter of the thread and getting 11mm?
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Cossie
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Registered: 17th May 02
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on ebay there are some m11 helicoil with 1.25 pitch
http://shop.ebay.co.uk/items/?_nkw=m11x1.25&_fromfsb=0&_trksid=m270
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Luke
Member
Registered: 9th Dec 05
Location: Oxford Drives:Corsa B C20LET
User status: Offline
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the thread on the arp head stud is 11mm, my mate came round yesturday & took a look at it, he said the helicoil i need is 11mmx1.25, i found the 11mmx1.25 helicoil kit for £60. i think the thread in the block is 12mm. a mate of mine works at vauxhall & said the 12mm sounds right. i'll check it tonight
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