Frequently Asked Questions:

Q:  What exactally needs to be machined when doing the CH-09, CH-10, CH-11 turbo upgrades?
A: Here is the link to the instructions page that will show you
                            what needs to be machined and how much:                                         http://www.gillettdiesel.com/Tech%20Info%20Files/CH09%20UPGRADE%20INSTRUCTIONS.pdf

Q:  Is there any machine work that needs to be done for the CH-02 or CH-05?
       A:  No, It is a drop in replacement wheel.