Quote:
Originally Posted by CYL
Hi Stuart, just curious to know, if I buy aftermarket rims, do I have to get the same setup as the OEM?
Eg, change from 225 (19x8, 19x9, ET37 ET39), when I buy a new rim, does it has to be the same? Or if I change the rims to 19x8.5 19x9.5, do I have to do any modification to the car to fit the rims please?
And actually, how does ET affect the rim change please?
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No, you can change setup from OEM... whether you want wider tyres and/or wider wheels, there is a certain degree of tolerance where things will fit a-ok.
If you have 225M wheels you could easily go to 19x8.5, 19x9.5 with similar offsets and it'll fit. Likewise if your tyres are currently 225/255 you could go to 235/265 without much drama.
ET, also known as offset, is how far in, or how far out your wheel will sit.
An ET of Zero (0) will mean the wheel mounts to the hub in exactly the middle of the wheel. Whereas a positive ET (eg +30) sees it sit inside by 30mm.
Going from an ET of 35 to ET30 would see the wheel stick out 5mm more... make sense?
Here is a handy calculator as well:
http://www.1010tires.com/Tools/Wheel-Offset-Calculator