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10-01-10, 10:05 AM
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#11
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2007 Focus ST2
Join Date: Jul 2007
Location: Polomint City
Posts: 4,826
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Mk1 ZS/ZR alloys were 7.0Jx17" and used 205/45x17 tyres
Mk2 ZS alloys are 7.5Jx17" use the same tyre, 205/45x17, I think MGR should have spec'd these tyres for lesser models and kept the 7.5J wheels and a spec'd a 225 tyre for the 180.
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10-01-10, 10:38 AM
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#12
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Member
Join Date: Dec 2008
Location: Ashford, Kent
Posts: 1,030
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Quote:
Originally Posted by KevG
Mk1 ZS/ZR alloys were 7.0Jx17" and used 205/45x17 tyres
Mk2 ZS alloys are 7.5Jx17" use the same tyre, 205/45x17, I think MGR should have spec'd these tyres for lesser models and kept the 7.5J wheels and a spec'd a 225 tyre for the 180.
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Yup, I'd agree... 215 at a minimum, 205 always looks too stretched (IMO of course!)
To put it into perspective, my 6.5Jx16 Gridspokes use 205 tyres
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10-01-10, 10:42 AM
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#13
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Member
Join Date: Sep 2008
Location: West Sussex
Posts: 1,347
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Dad's 206 has hubcaps
I was always lucky with my alloys on the Z, the wheels had almost no kerbing at all when I got her, I scraped a little bit off one of the wheels but the MG-Rover touch up paint soon sorted that out!
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To do:- New tyres all round
- Aircon re-gas
- Replace/fix rattly mirror
- Mark 2 dashboard
- Catch tank
- New VIS motors
- Fit bucket seats
- Induction kit
- New spark plugs + oil change
- New exhaust
- Decat
- Fix drivers seat mounting hole
- Reidy Remap
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10-01-10, 01:30 PM
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#14
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Site Supporter
Join Date: Sep 2008
Location: The Shire
Posts: 2,860
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i took the derv out yesterday as i am due at the airport tomorrow for work.
after 2 inifinitly slow chugs/coughs i thought i s**t dead battery, and then it just basted into life with a the clutch pressed and some accelerator. Made a nice black patch on the snow behind me
have to say was great fun pratting about with the diff - even flooring it and getting wheel spin the car accelerated forward much quicker than i had expected it to - our road has got about 5cms of snow that is now compoaced ice on it. only place you can see the road is where some-one has done a 'burnout' to melt the snow to get some traction lol
funny thing was that we went out to get some food and a shovel, and it seems that bristol has sold out of them.. ah well saves me having to do the path clearing
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10-01-10, 06:16 PM
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#15
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promoted bloke!
Join Date: May 2008
Location: bournemouth
Posts: 16,801
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Quote:
Originally Posted by will-w
Yup, I'd agree... 215 at a minimum, 205 always looks too stretched (IMO of course!)
To put it into perspective, my 6.5Jx16 Gridspokes use 205 tyres
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Hi Will, or Kev, does that mean that on the Mk2 straights you are better putting 215 or 225 x 45 x 17 tyres on and this will give some protection from kerbs??
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10-01-10, 06:26 PM
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#16
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Member
Join Date: Dec 2008
Location: Ashford, Kent
Posts: 1,030
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Yeah, you should also notice that the turn-in is a little sharper too on the 215's...
Something to bear in mind next time you need some new tyres!
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There's nothing more satisfying than seeing the car behind you vanish into a cloud of smoke...
Derv power baby!
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10-01-10, 09:21 PM
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#17
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Site Supporter
Join Date: Sep 2008
Location: The Shire
Posts: 2,860
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i thought to keep the rolling radius the same if you went to 215's you had to drop it to 40? so 215x40x17?
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__________________
Mods Fitted
Pipercross Filter; Full 2.5" 'Wingy' exhaust; Donny Custom Turbo outlet pipe; Custom injectors;
Uprated gearbox bearings; Helix Clutch; Quaife ATB; Upgraded clutch Hydraulics; FMIC; Ported Head; ARP headstuds; Leda coilovers; 'Brembodge' 326mm disks/DS2500 pads
Dieselpowered
Fitting Custom Hybrid Turbo (1856GTBv) & controller; Remap, swirlpot, lift pump
AMW Motorsports
Custom exhaust manifold & downpipe
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10-01-10, 09:47 PM
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#18
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promoted bloke!
Join Date: May 2008
Location: bournemouth
Posts: 16,801
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11-01-10, 08:28 AM
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#19
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IT Administrator
Join Date: Oct 2007
Location: Winchester-ish
Posts: 5,092
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Quote:
Originally Posted by peterzs
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215's offer not much protection over the 205's IMO... having 215's on my MK2 wheels at the moment and still curbing them as easy... plus there seems to be more "give" in the tyres now.. might be that they are not reinforced though!
Could you Really put 225/35/17's onto the MK2 wheels?? would that be the same Rolling Radius and would they then rub?
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11-01-10, 04:50 PM
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#20
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Member
Join Date: Dec 2008
Location: Ashford, Kent
Posts: 1,030
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Quote:
Originally Posted by ZS
215's offer not much protection over the 205's IMO... having 215's on my MK2 wheels at the moment and still curbing them as easy... plus there seems to be more "give" in the tyres now.. might be that they are not reinforced though!
Could you Really put 225/35/17's onto the MK2 wheels?? would that be the same Rolling Radius and would they then rub?
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When you're looking at tyres with very small side walls they should always be reinforced, the 215 size is actually the best size to use on a 7.5J rim due to the angle of the sidewall..
Working it out, the tyre size that is closest to stock is actually 225/40/17 and not 225/35/17 as you might expect! As for scrubbing issues, well I couldn't say to be honest!
205/45/17 - 616mm
215/45/17 - 625mm - 1.46%
215/40/17 - 604mm - -1.95%
225/45/17 - 634mm - 2.92%
225/40/17 - 612mm - -0.65%
225/35/17 - 589mm - -4.38%
In an ideal world you want the difference to be as small as possible
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