displaying posts 1 to 8 of 8

Author Subject: Centre Bore size
sixygti2

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Location: Tunbridge Wells

Registered: 21 Apr 2007

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Post #1
Would it be ok and safe to increase the size of the centre bore from 57mm to 65.1mm (that is the specified size for our cars init?)

Just wasn't sure of how much you can increase it!

Ta

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Posted 2nd Nov 2010 at 21:51
sixygti2

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Location: Tunbridge Wells

Registered: 21 Apr 2007

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Post #2
Anyone?

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Posted 2nd Nov 2010 at 23:16
smegal

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Location: Leeds

Registered: 26 Dec 2005

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Post #3
Am I understanding this right?

Do you want to have some wheels machined to the standard centre bore?

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Posted 3rd Nov 2010 at 00:37
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

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Post #4
typically if they are a smaller centre bore they'd be a deeper offset and hence would need a spacer, so no need to machine the wheels themselves.

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Posted 3rd Nov 2010 at 00:46
dragoon

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Location: Ghent - Belgium

Registered: 30 Dec 2008

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Post #5
indeed, if the ET gives you enough space to play with (et45 for example) you can get some decent adaptors Wink

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Posted 3rd Nov 2010 at 00:51
sixygti2

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Location: Tunbridge Wells

Registered: 21 Apr 2007

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Post #6
Thanks for the replies.

Yes smegal.

Well the wheels in question are ET20, 7Jx15. So would these need spacers? If not, they would need to be machined!?

Thanks

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Posted 3rd Nov 2010 at 04:06
cwspellowe

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Location: Calderbank

Registered: 19 Jul 2009

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Post #7
Hmm only maybe 5mm spacers, think the hub protrudes more than that so at a guess i'd say yes, would still need boring to an extent.

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Posted 3rd Nov 2010 at 20:22
sixygti2

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Location: Tunbridge Wells

Registered: 21 Apr 2007

Posts: 2,778

Status: Offline

Post #8
Thumbs up

Cheers mate

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Posted 5th Nov 2010 at 05:29

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