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 Ask my anything about tires, I am a tire engineer

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iiioloiii P
post Jun 9 2023, 11:38 PM

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Want to consult tyre sifus here, if the manufacturer recommended size is 215, is it a big impact if I use 225?
iiioloiii P
post Jun 10 2023, 09:52 PM

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QUOTE(ktek @ Jun 10 2023, 11:22 AM)
lol im planning to swap between 215 to 225  for two cars.
suppose minimal effect on straights. big affect turnings.
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Wow... for 2 cars = 8 tyres. What are the big effect on turnings? Must be positive effect lah since you are doing this for 2 cars.

Here's what I found out from the tyre size calculator. Speedometer will show lower than the actual.
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iiioloiii P
post Jun 15 2023, 12:03 AM

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QUOTE(littlefire @ Jun 12 2023, 09:01 AM)
Your sport rim width is one of the concern.

Just imagine your feet original shoe size is 8, then u upgrade to 9 and try run high speed and swift into corners how do you feel? Simple logic.

Check your sport rim spec. first before decides.
Thanks a lot littlefire. The tyre calculator is very useful. My stock rim size is 7.0 x 18 so based on the chart, I could still use 225/45/18.

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