I know this has been covered but i cant find any actual numbers on this. Does anyone have the RPM range you would be in at 60-80mph if you swaped a H23 5th gear into a h22 tranny or the numbers of using a H23 tranny in a H22? I daily drive my H22 EK and i am sick of staying around 60mph on the highway for gas mileage. Currently 60mph is around 3.0-3.5k rpm.

 

ttt

 

No need to bump, this is a slow forum.

Do you want the RPM with a final drive or with a 5th gear? They are two seperate parts.

 

mfactory has a nice calculator, do some searching for the ratios and you'll have all the answers you could ever want