On the subject of gear swapping, it was pointed out that the (2003+) Corolla 5th gear has the following tooth count: New 2003 Corolla 5th Driven gear has 29 teeth New 2003 Corolla 5th gear has 40 teeth 29/40 = 0.725 ... for the 5th gear ratio. That got me wondering what the stock 5th gear and...