Quote:
Originally posted by Daytona@Jun 3 2004, 12:26 PM
half the time the shops just sell you whatever they can sell you if you don't know what exactly you want or need. And you CAN go over 3% difference
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Actually you will get a hassle from any shop if you try order a rim/tire combo that is out of stock OD specs. There are liability issues involved if anything goes wrong from f*in around with this stuff.
And yah, you can go outside stock specs like oldsman mentioned, but if you go bigger you are just gonna slow yourself down, and going smaller, see above.
The engineers that design your car do have some idea of what they are doing when they make the gear ratios the way they do.