[ NOTE from Darin: split this thread off from DRAG-REDUCTION vs BSFC ]
Hooray! I finally found the gearing specs for my car. So, given that to optimally increase the FE based on altered BSFC from drag reduction I'd have to move to taller gearing, moving from stock automatic to stock manual looks like a win for the Corolla:
| . | Auto | Manual |
| First | 3.643:1 | 3.166:1 |
| Second | 2.008:1 | 1.904:1 |
| Third | 1.296:1 | 1.310:1 |
| Fourth | 0.892:1 | 0.885:1 |
| Fifth | . | 0.725:1 |
| Final Drive | 2.96 | 3.25 |
Of course it would likely help the FE anyway despite drag reduction. Now I just need to wait for my transmission to fry so I can justify the cost...
