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Hey all, I'm using 8.5 and 9.5 Konig Oversteers. My OEM tires are about to go and I'm looking at replacement.

OEM is 225/40/19 and 245/40/19. I'm thinking about going 245/40/19 and 265/40/19 since the wheels are wider than original and will look flush.

Has anyone had experience with the different sidewall heights? 245/40/19 is gonna be 2.4% more than 225/40/19.

I could also get (245/265)/35/19 instead. What do you guys think?
 

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You will have no issues, that's the size I ran before going to 35 profile.

Sidewall hight does not affect traction and stability, only diferance in height between front and rear does. As in - you have to keep within 3% to what the stock diferance was in height between front and rear.

Spedo will not be much off, maybe 3mph faster at 75 ( use tire calculator to get exact ).

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No, not in my case.
I had stiff side wall tires (/40s), went with soft sidewall tires but lower profile. Ride quality is the same, but car is abit faster (shorter gearing due to shorter sidwall, and overall savings of 18lb of rotational mass ... tire weight has exponentially more effect on Power loss then rims)

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245/35 and 265/35

Continental extreme contact

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Yes they will fit on on stock rims , but you will have chub - will ruin handling response. Rim will flout in the tire site to side, more so on softer sidewall.

Tires should fit square on the rim or with slight stratch for best handling.

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