02-09-13, 05:52 PM
I think the issue stems from if the gears do not mesh correctly - in this instance you find yourself without power / drive when you potentially need it and it will do damage to the gears. Block changing increases the risk of this happening in sequential gearboxes


![[Image: 242673.png]](http://badges.fuelly.com/images/smallsig-uk/242673.png)
![[Image: 174802.png]](http://badges.fuelly.com/images/smallsig-uk/174802.png)