Muggy to 5BE Build

[brian015]

Originally Posted by Candyman2

THAT is right yes, its stronger as in , if you try to bend it, but NOT for torsional rigidity, i.e if you twist it as in a propshaft. A tube wont twist under a load where as a rod of the same diameter, like in this particular application, will. Im not a mechanical engineer, but it has to do with it having twice the surface area, inside and outside rather than a bar only having 1.

So please back that claim up with some evidence.