Engine side pans

[30coupeguy]

I rececntly purchased my 30 coupe. In removing the engine for re-build I found reference to removing the engine side pans. That is when I discovered my car doesn't have them, so I am adding that to the "list" of other suprises.
My question is how desireable, or important, is it to have them on the car?
I am a real "newbie" so any comments will be helpful.
Thanks
Burt