Quote:
Originally Posted by nemo
All because they have no economic reason to correct this. They can charge more for a CVT or Automatic.
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The cost for them to correct it is almost zero, they pick the ratios that they think will be a ballance of making the buyer happy and getting good EPA tests.
I think the automakers are considering 2 key factors when selecting MT gear rations.
1. Since a MT won't downshift automatically if they have too tall of a top gear some buyers will be upset that they have to downshift for a hill or a pass and feel that the car is underpowered.
2. It's been mentioned previously in another thread that the EPA test for MT has set shift points. If a tall gear will give real world FE savings but cause the engine to perform in a way that requires the EPA tester to shift to a lower gear then the result could be a lower EPA score.