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Author which will be the best for acceleration??
x14xe sport
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Registered: 27th Apr 09
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9th Jul 09 at 19:30   View User's Profile U2U Member Reply With Quote
currently have standard corsa 3 spokes with 185/65/14 and have bought some tigra 15" 5 spokes with 195/45/15, will it be quicker on the sport rims or the tigra's and also how does it affect the speedo?
Kenzie
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Registered: 16th Sep 07
Location: Burnley
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9th Jul 09 at 19:34   View User's Profile U2U Member Reply With Quote
The 14's would be better mate i should imagine
Kurt
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Registered: 23rd Oct 05
Location: Hi
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9th Jul 09 at 19:34   View User's Profile U2U Member Reply With Quote
if your user name is anything to go buy i wouldnt worry too much
x14xe sport
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Registered: 27th Apr 09
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9th Jul 09 at 19:39   View User's Profile U2U Member Reply With Quote
no its not to go by anymore :-)
Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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9th Jul 09 at 19:42   View User's Profile U2U Member Reply With Quote
You probably wont notice any difference due to the 15s having a smaller tyre profile compared to the 14s 65 tyre profile.
x14xe sport
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Registered: 27th Apr 09
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9th Jul 09 at 19:53   View User's Profile U2U Member Reply With Quote
thats what i was thinking it should even itself up
x14xe sport
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Registered: 27th Apr 09
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9th Jul 09 at 20:02   View User's Profile U2U Member Reply With Quote
used this but im confused with the results, says when speedo is reading 70mph on corsa 3 spokes actual speed will be 65mph on tigra rims so does that mean it will be slower on the 15's,

http://www.astraownersclub.com/tyresize.php

[Edited on 09-07-2009 by x14xe sport]
Andyrs1800
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Registered: 15th Oct 03
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9th Jul 09 at 20:16   View User's Profile U2U Member Reply With Quote
If you got for the 15's maybe try going down hill all the time from them on and you wont notice a diff, hope this helps
aron
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Registered: 10th May 07
Location: Ware, Hertfordshire
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9th Jul 09 at 20:38   View User's Profile U2U Member Reply With Quote
have you considered the weight difference?

3 spokes have less spokes than 5 spokes, remember that.
x14xe sport
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Registered: 27th Apr 09
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9th Jul 09 at 20:54   View User's Profile U2U Member Reply With Quote
yes but the 3 spokes are pretty chunky tho
Ben G
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Registered: 12th Jan 07
Location: Essex
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9th Jul 09 at 21:00   View User's Profile U2U Member Reply With Quote
the 14's will be ''faster'' as such as they weigh less, less alloy needed to make them.

but they won't handle as well as the 15's with the wider tyres.
LeeM
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Registered: 26th Sep 05
Location: Liverpool
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9th Jul 09 at 22:39   View User's Profile U2U Member Reply With Quote
some 195/45/15's i have actually have a smaller rolling radius than some 185/55/14's that i also have

 
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