I didn't realize there was that much involved in choosing a cam, right now the car is a stock 225 slant six, i'm not sure of the gear ratio because the tag is gone, :oops: and I don't remember what it was when i re-did the seal. The transmission is a stock A-904 automatic, nothing has been changed on that. if i needed to, i would be willing to change the converter, especially because the motor would already be out. my tire size would be 215/70/14's all around.