Looking over the 96-98 Honda service manual, I noticed that the final drive 4th gear on the automatic transmission is taller than the 5th on the manual. On the auto it is 0.638 and on the manual it is 0.702. That's a pretty big difference. I think it is better than the 98 HX. Is there any reason to think it could not be swapped (I know it's not regarded as totally practical). I'd just like to know, in case someone drops one in my beggars cup one day I want to know if I can use it.