pretty_blue_eyed_corsa
Member
Registered: 3rd May 06
Location: New Eltham, Greater London
User status: Offline
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does any1 know the answer.
ive got 17" wheels on me corsa and ive heard that this alters the speed on the clock how much is it out by? ? ?
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_felix
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Registered: 14th Mar 06
Location: Nottinghamshire
User status: Offline
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depends what corsa you have mate, some came with 13" as standard others 14's
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pretty_blue_eyed_corsa
Member
Registered: 3rd May 06
Location: New Eltham, Greater London
User status: Offline
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its a corsa sport 1.4 16v
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LAD VXL
Member
Registered: 10th Sep 06
Location: Portsmouth Drives: Astra Sport
User status: Offline
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Not sure how much difference it makes to your speed but here is a program that works out how much bigger your wheels will be;
http://82.34.50.33/sytemsandsoftwaredevelopment/software/VB6/WheelSizeCalculator.exe
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Marc
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Registered: 11th Aug 02
Location: York
User status: Offline
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Tyre profile is a factor too.
[Edited on 15-10-2006 by Marc]
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Rob Withey
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Registered: 21st Sep 03
User status: Offline
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Bottom line is the ratio of circumference of tires before and after wheel change. Add 10% to the cirucmference and your speedo will read 10% low. Easy maths to work out.
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