2019 Civic Si with Honda Factory Performance Package (? tire size ?)

[civilcivicguy]

I'm thinking about mounting 245/30xR19 tires on the black wheels provided in the HFP package. Does anybody know if these will fit and function without issues?

Don

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[JT Si]

It will fit just fine. Your speedometer will read fast, which will reduce the top speed from 137 to 133. You'll be going around 58 when it reads 60.

I think you're going a little bit too low profile with a 30 ratio tire. I'd prefer to stick with a 35 ratio like the factory intended on a 19" wheel. I've already seen a photo of a bent HFP wheel even with the 35 series tire.

Is there any particular reason you want a 245/30R19 instead of the factory 235/35R19?

 

[gtman]

I agree with the poster above. 30 profile tires are way too prone to creating expensive repairs on less than pristine roads. You'll always be a pothole away from a potentially damaged wheel.

 

[civilcivicguy]

It will fit just fine. Your speedometer will read fast, which will reduce the top speed from 137 to 133. You'll be going around 58 when it reads 60.

I think you're going a little bit too low profile with a 30 ratio tire. I'd prefer to stick with a 35 ratio like the factory intended on a 19" wheel. I've already seen a photo of a bent HFP wheel even with the 35 series tire.

Is there any particular reason you want a 245/30R19 instead of the factory 235/35R19?

The 245 tire is, for me, a subtle cosmetic modification. I'm a 72 year young kid farkling my car. Wider tires are cool. I will take your advice, and gtman's, about the 30 profile tires. 245/35xR19 it will be. And thank you for your help and advice.

Don

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