Hi guys my gearbox has problem with the 5th gear assembly and have been offered another gearbox but i dont have a clue about ratios etc ,the box i have been offered code is TY752VB3EA and my gearbox is TY752VBCAA ,would it work ? can the final drive be swapped as my one has a 4.444 http://www.catherineandken.co.uk/sti/trans.html

 

easier to match the rear diff to the new box