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27-04-09, 11:56 AM
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#1
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Founding Members
Join Date: Jul 2007
Location: St. Cloud, FL, USA
Posts: 7,671
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MG Alloys...
Am i right in thinking the following, or have i got crossed wires somewhere?
- 11-spoke MKII alloys are 7.5j
- Multi-spoke MKI are 7j
I have no idea about PCD / Offset / etc so don't tell me about that (unless you care to explain it to me). 
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" People in cars cause accidents. Accidents in cars cause people. Drive only with proper protection." 
" You should try one. It's bloody good" - Jeremy Clarkson (commenting after driving a ZS180) 
" Fines are a tax for doing bad, Taxes are a fine for doing good" - Unknown
GPS - Because guys don't know how to ask directions
MG ZS 180
3.5L V6 Ford Taurus
2.7L V6 EcoBoost Ford F150 4x4
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27-04-09, 12:10 PM
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#2
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Site Owner
Join Date: Jul 2007
Location: Waterlooville, Hants
Posts: 24,097
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Correct Alan, the mk2 alloys are wider to accomodate the arch extensions on the 180 kit. I also think the offset is slightly different on both as well, only a couple of mm though but not sure on the actual figure, possibly 42mm. PCD is 100mm, (pitch circle diameter) measured as the circular dimension and 4 stud fitment, commonly stated as 4x100.
Shafz posted this up:
http://www.themgzs.co.uk/vb/showthread.php?t=404
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27-04-09, 01:08 PM
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#3
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Founding Members
Join Date: Jul 2007
Location: St. Cloud, FL, USA
Posts: 7,671
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So what is the 7j / 7.5j referring to?
...and the all important question - how would the difference of .5j affect handling?
__________________
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__________________
" People in cars cause accidents. Accidents in cars cause people. Drive only with proper protection."
" You should try one. It's bloody good" - Jeremy Clarkson (commenting after driving a ZS180)
" Fines are a tax for doing bad, Taxes are a fine for doing good" - Unknown
GPS - Because guys don't know how to ask directions
MG ZS 180
3.5L V6 Ford Taurus
2.7L V6 EcoBoost Ford F150 4x4
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27-04-09, 01:54 PM
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#4
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IT Administrator
Join Date: Oct 2007
Location: Winchester-ish
Posts: 5,092
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Quote:
Originally Posted by arwilson80
So what is the 7j / 7.5j referring to?
...and the all important question - how would the difference of .5j affect handling?
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Real world on the UK roads... it doesn't at all... if anything you MAY see a slight better handling when on track... not taken the 180's out on track to find out....
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27-04-09, 02:46 PM
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#5
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2007 Focus ST2
Join Date: Jul 2007
Location: Polomint City
Posts: 4,826
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the "j" is for width
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27-04-09, 05:38 PM
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#6
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Registered User
Join Date: Jul 2007
Location: Kent
Posts: 1,909
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The J defines the bead type that is required to seal on the rim. Nearly all standard road tyres have J type beads.
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27-04-09, 06:14 PM
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#7
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Member
Join Date: Mar 2008
Posts: 766
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imo the ZS 11 spokes should of come with 215/40/17's. They look to stretched on 205's leaving barely any rim protection.
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27-04-09, 07:23 PM
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#8
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Member
Join Date: Jan 2008
Location: Brum
Posts: 714
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Quote:
Originally Posted by Southside_ZS
imo the ZS 11 spokes should of come with 215/40/17's. They look to stretched on 205's leaving barely any rim protection.
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But when they tested them in R&D they found that there was a fair bit of movement in the wall when 215's were fitted and this affected the handling....
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2005 MG ZS 180 Saloon Gone, but still in the family....
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27-04-09, 09:25 PM
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#9
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Founding Members
Join Date: Jul 2007
Location: St. Cloud, FL, USA
Posts: 7,671
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...and 215s rub the arch lining. Had them on mine for a total of about 5 mins and 1 mile before they were taken back and removed.
__________________
------------------------------
------------------------------
__________________
" People in cars cause accidents. Accidents in cars cause people. Drive only with proper protection."
" You should try one. It's bloody good" - Jeremy Clarkson (commenting after driving a ZS180)
" Fines are a tax for doing bad, Taxes are a fine for doing good" - Unknown
GPS - Because guys don't know how to ask directions
MG ZS 180
3.5L V6 Ford Taurus
2.7L V6 EcoBoost Ford F150 4x4
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27-04-09, 10:07 PM
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#10
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Member
Join Date: Mar 2008
Posts: 766
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Quote:
Originally Posted by arwilson80
...and 215s rub the arch lining. Had them on mine for a total of about 5 mins and 1 mile before they were taken back and removed.
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Thats stange im running 215/35/18's on my ZS with no rubbing issues. Or would that be because the wheels are a different offset?
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