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 Posted: Wed Jul 20, 2011 9:09 am |
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Joined: Apr 13, 2011
Posts: 703
Trade Rating: +3
Location: England
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I am sorry if this is a silly question but I want to get this clear out of my head  I've got 14" inch wheels, am I able to upgrade to 15" ?? I was thinking I couldn't because of suspension, speedometer inaccuracy, arch room and spacing etc but was told you can in some cases, depends on the car itself.
any thoughts?
thanks guys
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Posted: Wed Jul 20, 2011 9:12 am |
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Joined: Feb 08, 2010
Posts: 6055
Trade Rating: +53
Location: Salisbury / New Forest
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If OEM wheels you'll have no issues.
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Posted: Wed Jul 20, 2011 9:18 am |
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Joined: Feb 07, 2010
Posts: 5348
Trade Rating: +33
Location: Kings Lynn
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OMG, can people not read the old threads????
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| spike_202 wrote: |
| My Powerflow is quite loud but then again it's on ITBs and has a decat. |
Audi Sport  | |
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Posted: Wed Jul 20, 2011 9:19 am |
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Joined: Jan 06, 2011
Posts: 1850
Trade Rating: +8
Location: Wiltshire
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| Howey wrote: |
| OMG, can people not read the old threads???? |
Read? what is read? 
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| Renault Twingo 1.2 GT TCE, AP Coilovers, 25mm Hubcentric Wheel Spacers (Rear), 16" Speedline Turini Alloy Wheels, Renault Sport Cup Spoiler,, BMC F1 Panel Filter, Forge Dump Valve, Front Mounted Intercooler, K-Tec SS Cat-Back Exhaust System, K-Tec Decat Pipe, K-Tec Remap. 136.6 BHP 154.3 lbs/ft. | |
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Posted: Wed Jul 20, 2011 9:20 am |
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Joined: Feb 08, 2010
Posts: 6055
Trade Rating: +53
Location: Salisbury / New Forest
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| JE_180 wrote: |
| Howey wrote: |
| OMG, can people not read the old threads???? |
Read? what is read? |
Your car is...
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Posted: Wed Jul 20, 2011 9:22 am |
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Joined: Jan 06, 2011
Posts: 1850
Trade Rating: +8
Location: Wiltshire
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| CD-530d wrote: |
| JE_180 wrote: |
| Howey wrote: |
| OMG, can people not read the old threads???? |
Read? what is read? |
Your car is... |
Ohhhhh 
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| Renault Twingo 1.2 GT TCE, AP Coilovers, 25mm Hubcentric Wheel Spacers (Rear), 16" Speedline Turini Alloy Wheels, Renault Sport Cup Spoiler,, BMC F1 Panel Filter, Forge Dump Valve, Front Mounted Intercooler, K-Tec SS Cat-Back Exhaust System, K-Tec Decat Pipe, K-Tec Remap. 136.6 BHP 154.3 lbs/ft. | |
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Posted: Wed Jul 20, 2011 9:24 am |
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Joined: Dec 16, 2010
Posts: 1533
Trade Rating: +10
Location: UK
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you can increase wheel size and decrease tyre size which keeps speedo etc the same (but the ride will be harsher because there is less tyre wall to absorb the bumps)
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| Please Dont take any of my posts as written fact. They are simply my opinion and although to the best of my knowledge true, the information within them may well be incorrect.
Any work you undertake as a result of my posts is done so at your own risk | |
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Posted: Wed Jul 20, 2011 9:24 am |
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Joined: Sep 12, 2010
Posts: 1912
Trade Rating: +4
Location: Manchester
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If you get a bigger wheel with a lower profile tyre you wont have any issues, if you get a bigger wheel with the same profile tyre as on the 14" you're read speed will be slightly out, i have !7" wheels with low profile tyres and its only about 2mph different according to my tomtom
edit: the 2mph out is at 30, obviously the faster you go the greater the difference will be
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Posted: Wed Jul 20, 2011 9:31 am |
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Joined: Feb 10, 2010
Posts: 4014
Trade Rating: +2
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| Antknee wrote: |
If you get a bigger wheel with a lower profile tyre you wont have any issues, if you get a bigger wheel with the same profile tyre as on the 14" you're read speed will be slightly out, i have !7" wheels with low profile tyres and its only about 2mph different according to my tomtom
edit: the 2mph out is at 30, obviously the faster you go the greater the difference will be |
But it will be out anyway because speedo's are setup to read higher than you are actually going.
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Posted: Wed Jul 20, 2011 9:37 am |
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Joined: Feb 07, 2010
Posts: 1112
Trade Rating: +7
Location: Isle Of Wight
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sat navs never tell the same as your speedo.. wouldnt go by that!
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| Tivoli LX 1.1
Black GTI 180
White VXR Burg | |
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Posted: Wed Jul 20, 2011 9:37 am |
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Joined: Feb 08, 2010
Posts: 6055
Trade Rating: +53
Location: Salisbury / New Forest
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| Lewis wrote: |
| sat navs never tell the same as your speedo.. wouldnt go by that! |
They are usually more accurate .
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Posted: Wed Jul 20, 2011 9:37 am |
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Joined: Feb 10, 2010
Posts: 4014
Trade Rating: +2
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| Lewis wrote: |
| sat navs never tell the same as your speedo.. wouldnt go by that! |
But the satnav is accurate, the speedo is inacurate 
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Posted: Wed Jul 20, 2011 11:46 am |
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Joined: Apr 13, 2011
Posts: 703
Trade Rating: +3
Location: England
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Okay never mind the speedometer, lets say I upgraded to 16" or 17" and used the same tyres, what about the wheel arch is there enough room??
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Posted: Wed Jul 20, 2011 12:31 pm |
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Joined: Apr 22, 2010
Posts: 451
Trade Rating: +7
Location: Broughton Astley
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17 inch wheels with 60 odd profile will look properly stupid and your car will look like it's on stilts even more
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Posted: Wed Jul 20, 2011 1:34 pm |
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Joined: Dec 16, 2010
Posts: 1533
Trade Rating: +10
Location: UK
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use this to work out wheel sizes, speedo and tyre profile.
www.1010tires.com/tire...ulator.asp
you cant increase the wheel size and keep the tyre profile the same, it will rub on the wheel arches.
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| Please Dont take any of my posts as written fact. They are simply my opinion and although to the best of my knowledge true, the information within them may well be incorrect.
Any work you undertake as a result of my posts is done so at your own risk | |
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