Quote:
Originally Posted by DIGItonium
IIRC, be careful about your tire size choice with speedo accuracy being one thing. VDC gets flakey if the width difference between the front and rear tire is not within nominal range.
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The rears will be slightly smaller than stock as well. In revolutions per mile the difference between front and rear is 11, with the tires I chose it will be 9, so within range of normal differential. They are primarily going to be used at autocross and track where VDC will be turned off anyway so if it becomes a problem I will mount up the stock tires on some new rims.
Does anyone know if the speedometer takes its reading from the front or rear axle? Wheel speed on the rear will be 1% faster, wheel speed on the front will be about 3% faster. Differential front to rear will be 1.1% overall which is less than the 1.4% of stock, I'll just have to watch out for potential speedometer error.