Originally Posted by
JayL
I'm not clear on how lead sitting ON TOP of the stock plastic chassis will have as low a CoG as the exotech where the bottom of the chassis is lower than the lead and heavier....
If you want to upgrade the stock, I think the best way to go is to add a steel plate to the bottom as one user posted a few dozen pages ago. Using liquid nails or something like that instead of screws so you get consistent contact which would add some stiffness as well.