Double check my wheel/tire calculations (for tire extension)

[domingjm]

Used a couple calculators, just wanted to make sure this sounds right. On a Sport S with stock wheels (17x7.5, +44) and tires (245/75R17), moving to a 17x8 wheel (-12mm) and 35x10.50R17 Kenda Klever (which is actually 267/85R17, I believe). The wheel itself should extend an additional 62mm; the tire ~10mm on top of that. So total additional extension is ~72mm or 2.8 inches. Does that check out? Thanks.

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[Rahkmalla]

You must be calculating for wheel width somewhere when it doesn't really matter. Your tires poke past your wheels anyway, so changing wheel width doesn't effect poke. Focus on offsets. 44+12 is 56 movement from the offset change. 245 to a 10.5 is 22mm wider, so 11mm on the outside.

67mm is your total poke differential.

 

[Fouts]

or for those of us that are simpletons.

https://www.1010tires.com/Tools/Wheel-Offset-Calculator

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