Upgrading from 14" to 15".

[Danix60]

Hi, will upgrading from 14 to 15" will effect something on my Clio mk2 ph1 1.4?
From 165/65/14 to 195/50/14.
Thanks!

 

[Connor19]

Might want to check the speedo will still be correct, I'm in the process of buying some 16' alloys to replace my smaller 15' alloys and apperently the speedo will under read the real speed.

 

[roryb]

Might want to check the speedo will still be correct, I'm in the process of buying some 16' alloys to replace my smaller 15' alloys and apperently the speedo will under read the real speed.

Yeah you got that right, be careful

 

[Danix60]

Beside the speedo it will effect performance or gas consummation?

Can I change something in the ecu to correct the speedo?

 

[DanEdser]

Wont affect much tbh, I went from 14" steelies to 16" 182 alloys on my 1.2 mk2 ph1 and I'm sure it read true after I put the wheels on. I'm pretty sure I read somewhere manufacturers tend to make speedo's overread slightly to help with speeding etc. e.g if speedo says 40 you're actually doing 38 or something along those lines (might not be entirely accurate) But all the 'your speed' signs i went passed were dead on accurate after I put the alloys on.