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Author Topic: Upgrade from 17 to 18 inch  (Read 1618 times)

Offline Lukeduke

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Upgrade from 17 to 18 inch
« on: March 14, 2009, 10:31:40 pm »
Noddy question but. If i upgrade my alloys does this affect the overall wheel diameter and therefore the speedo, tacho and mpg?
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Offline stealthwolf

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Re: Upgrade from 17 to 18 inch
« Reply #1 on: March 14, 2009, 10:58:54 pm »
Not really. If you get the right profile tyres, the rolling radius should be (largely) unchanged.

Use clicky1 or clicky2 to calculate the difference in rolling radius.
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Offline Lukeduke

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Re: Upgrade from 17 to 18 inch
« Reply #2 on: March 15, 2009, 12:01:51 am »
Cheers fella. Query sorted in one post :happy2:
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