The reduction drive is 7:1. The creeper is 4:1. That torque is multiplied. So, the ratio with the creeper engaged is 28:1 on the trans input.
You can fill it from the vent hole, yes. But, you should remove the side plug and fill it to that level. Or, drain it all and add what the capacity is. Pretty sure it's in the manual. I think it's in ounces.
|