Different width front and rear of the tire, can cause problems drive system?

[nnobody825]

If front and rear tires size of AWD(four wheels drive) is different, and I know that a problem with the drive system.

If I do this change
20x8' front, 245 45ZR 20'
20x10' rear, 275 40ZR 20'

Different width front and rear of the tire, can cause problems with the drive system?

[SHOdded]

No.  Only need to make sure total height of wheel + tire is within 3% of OEM height.  Also, cannot rotate tires, so plan & budget accordingly.

[Scott4957]

Is it 3% of OEM or 3% of each other? I know one guy on here has 22's on his MKS, be it with smaller tires so maybe its still within 3% of OEM height?

[BiGMaC]

You might want to message bpd1151 as he has run asymmetric front and rear tires/wheels for years without problems.

[nnobody825]

No.  Only need to make sure total height of wheel + tire is within 3% of OEM height.  Also, cannot rotate tires, so plan & budget accordingly.

ok. thanks.

'15 taurus sho
20 inch, 21 inch, 22 inch
please let me know the each size of the best front and rear size..

[SHOdded]

Is it 3% of OEM or 3% of each other? I know one guy on here has 22's on his MKS, be it with smaller tires so maybe its still within 3% of OEM height?

Both, if the tune is not changed for these parameters.  If the tune is changed to fit your wheel/tire size of choice, and in this case with the staggered setup, the height is of the rears is within 3% (+/-) of the fronts, should be OK as well.

[Vortech347]

The only negative thing is that if the car's suspension wasn't setup for staggered sizes you will have more understeer when driving the car hard.

[Sabtaj1]

I have not had any problems on my flex as I am running 20x8.5 and 20x10 with 275/40 and 315/35.  As stated earlier, rotating is not an option.  But being a badass is.  HAHAHA.   ;-)