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NeuroBeaker · Mar 19th, 2008, 11:38 AM

Quote: Originally Posted by theminiv (original)

Hey, I have a 175/65/15 oem Rockey alloys. What other tyres could I fit onto these without affecting road safety and speed readout.
??

I fitted 205/55/R15 tyres as MINIAC suggested. Speed readout overestimates speed by about 0.33% more than it did before - so it's effectively the same.

What I did notice is that you get a lot more feedback from the road through the steering wheel. At low speeds the wheel wants to turn more in your hands when you go over a bump with just one tyre. It was a little odd at first, but you quickly get used to it. The feel of the car when driving quickly is awesome and it talks to you so much through the steering wheel - it's just phenomenal when you're out for a hard drive, so much grip too.

Kumha ECSTA SPT KU31 - great tyre and pretty cheap too.

One thing I found out though, is that if you're going to be using tyre equivalence, the tyre companies recommend that you use a higher-than-standard speed rating and load index on the tyre.

My previous fitment was 175/65/R15 84H (I upped this from 84T to have greater safety margins in the tyres)

My new fitment is 205/55/R15 88V.

Good luck!
Andrew.

Mar 19th, 2008, 11:38 AM	#10
NeuroBeaker Where's my navigator?! Join Date: Feb 2007 Location: Behind the wheel Local Time: 10:16 AM Posts: 5,827 Offline	Quote: Originally Posted by theminiv (original) Hey, I have a 175/65/15 oem Rockey alloys. What other tyres could I fit onto these without affecting road safety and speed readout. ?? I fitted 205/55/R15 tyres as MINIAC suggested. Speed readout overestimates speed by about 0.33% more than it did before - so it's effectively the same. What I did notice is that you get a lot more feedback from the road through the steering wheel. At low speeds the wheel wants to turn more in your hands when you go over a bump with just one tyre. It was a little odd at first, but you quickly get used to it. The feel of the car when driving quickly is awesome and it talks to you so much through the steering wheel - it's just *phenomenal* when you're out for a hard drive, so much grip too. Kumha ECSTA SPT KU31 - great tyre and pretty cheap too. One thing I found out though, is that if you're going to be using tyre equivalence, the tyre companies recommend that you use a higher-than-standard speed rating and load index on the tyre. My previous fitment was 175/65/R15 84H (I upped this from 84T to have greater safety margins in the tyres) My new fitment is 205/55/R15 88V. Good luck! Andrew. NeuroBeaker - Proud owner of "Zeus" (a 'slightly modified' 2004 MINI ONE). *WARNING!* Thesis writing in progress. Experiments continue. Multi-tasking? Explosion imminent!