Posted by Chris case [172.69.34.245] on Sunday, January 12, 2020 at 10:10:54 :
In Reply to: Re: I built my own posted by Tom Petroff (IL) [162.158.74.158] on Saturday, January 11, 2020 at 19:40:58 :
The U shape means the stability of four casters, and it lets you put a drain pan under it, the worm to be able to s-l-w-l-y roll the engine over.