Rileysport
Member
Registered: 18th Jun 04
Location: West Yorkshire
User status: Offline
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What are the physical differences... pictures are always nice on a Tuesday morning 
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Adam-D
Member
Registered: 11th May 02
Location: Cheshire
User status: Offline
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no idea, arp's are meant to be the donkey's nadgers
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Rileysport
Member
Registered: 18th Jun 04
Location: West Yorkshire
User status: Offline
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i was wondering is it arps have torx heads whereas normal bolts have regular hex 
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corsa120
Member
Registered: 4th May 02
Location: Northamptonshire
User status: Offline
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i think they are just made from a better carbide material or somat like that meaning they stand more stress and lots more heat
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Siberia
Member
Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
User status: Offline
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my arps have torex heads on them...
also have ARP wrtten across the top of them
think the alloy used to make the bolts is sronger than normal and also they relive stress points that may snap on the regular ones...
another reason why people fit them is that they dont cost THAT much more that the standard items... so why not..
here they are...
[Edited on 13-09-2005 by Siberia]
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Siberia
Member
Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
User status: Offline
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actually just thinking about it now.. there not torex. there some other stupid tool that i dont have 
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Rileysport
Member
Registered: 18th Jun 04
Location: West Yorkshire
User status: Offline
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they need a female torx socket i think... the ones in mine don't look standard by a long shot, and look to have washers on them
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Siberia
Member
Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
User status: Offline
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are you sure there arps and not bolts from someones contructo set? and there DEFFO not torex... i have a torex male and female set... they dont fit...
[Edited on 13-09-2005 by Siberia]
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James R
Member
Registered: 4th Feb 03
Location: 205GTi16/306GTi16
User status: Offline
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I just used a normal socket bit on mine, they have a different side profile on them too aswell as the ARP stamped on them and a dimple in the top of them.
As for using them, I knwo ppl who have used std bolts on engine running to 8k on track all the time with no porblems, but woudl you want thigns to go worng?
Oh and you ened to chamfeur the Big end caps too.
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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You'll get the best fit on ARP's from a imperial socket, i forget the size.
Good luck to your mate James, they may never snap, they may snap tomorrow. Depends on the quality of the standard items and a whole lot of luck whether they will fail or not. I'd rather have the piece of mind for the sake of £60 odd.
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James R
Member
Registered: 4th Feb 03
Location: 205GTi16/306GTi16
User status: Offline
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1/2inch I think miles
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