Anyone know if 275/40/18's

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01-28-2008, 01:58 PM

97srad750

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Anyone know if 275/40/18's

will fit on the rear of a 1997 F-body. Tirerack calls for a 275/35/18, I'm assuming 40 series is close enough.

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01-28-2008, 02:52 PM

Xsta Z 28

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It fits, but is techinacally too tall, so your speedo & odo will be off.

a 275/35ZR18 is the correct diameter @ 25.7" . . . a 275/40ZR18 is 26.5" tall . . .

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01-28-2008, 03:21 PM

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Here's a calulator to tell you how much your speedo will be off:
Tire calculator

According to our guide, they should work. Let us know if we can help.