but with a 51mm holesaw drill through the chassis rail with the drill bit just in the bottom of the rail centre of were it's been hitting, and i used a piece of 50mm od pipe and cut it in half and cut it to length and welded it in as you can see and tided it up, hope this helps you solve the common problem. sod bouncing on the drive shaft..
![Image](http://i49.photobucket.com/albums/f284/blaster240/pictures/chassisnotch1.jpg)
![Image](http://i49.photobucket.com/albums/f284/blaster240/pictures/chassisnotch2.jpg)