Upgrade to Continentals?

Originally Posted by JARblue Here's what the tire calculator says for diameters: OEM Nismo 245/40/19: 26.7 inches OEM Nismo 285/35/19: 26.9 inches 255/40/19: 27 inches 255/35/19: 26 inches 265/35/19: 26.3

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Upgrade to Continentals?

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08-30-2021, 09:45 AM

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zeeder

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Quote:

Originally Posted by JARblue

Here's what the tire calculator says for diameters:
OEM Nismo 245/40/19: 26.7 inches
OEM Nismo 285/35/19: 26.9 inches

255/40/19: 27 inches
255/35/19: 26 inches
265/35/19: 26.3 inches

305/35/19: 27.4 inches
305/30/19: 26.2 inches
315/30/19: 26.4 inches

It makes me curious, the stock sport 275/35 diameter is 26.6 inches and the Nismo 285/35 is 26.9 inches, does Nissan calibrate the difference or do they just accept the slight difference in speedo accuracy between the two (1mph @ 90mph difference)?

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