nucbird

Thinking of going from 19" wheels on my 2010 GT down to the 18" OEM polished aluminum wheels which will look great on the black convertbile. Since these are factory rims that came on the 2010 models I anticipate no problems but will there be any issues around changing tire sizes from 19" to 18" such as ABS sensors, speedometer read out etc?

Any insight is appreciated, thank you.

edcologne

i'm not really familiar w the particulars of the 2010+ as i prefer the 05-09 67/68 body style, but i DO like the polished wheels
if all is factory available equipment it should be fine.

- you can compute outer wheel diameter through the tire size numbers and should end up same or very close to see if speedo is fine.
- i don't have tire pressure sensors could be transferred to the new wheels, there also must be a way to learn/assign new sensors to the vehicles computer, owners manual / shop manual,
- if both wheels were available from the factory there should be no brake clearence issues, but check it anyway,

Nuke

Changing wheel size isn't so much an impact on tire revs per mile as the TIRE SIZE is. Simply find a calculator to compare your OE tire size with other tire sizes and find a match. Most of the earlier S197 tires were about 27 "OD. Of course, you can always go with a different tire OD but you'll need a tuner to make the adjustment for the speedometer to read accurately.