Quote:
Originally Posted by serialk11r
Hey guys I noticed that on the S2000 for example they list primary reduction ratio for the gearbox, but on Toyota cars you can't find this.
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I'd imagine that's because there isn't one. I'm assuming that the S2000's primary reduction is at the gearset that links the input shaft to the countershaft. On most transmissions it's simply a one to one ratio and if more reduction is needed it happens at the ring/pinion. I'd assume that a 1:1 gearset with the 9000 rpm redline would have caused some bearing or shaft to spin faster than the engineers were comfortable with.