Wrap Positive Cable w/ Battery Relocation?

You say your help is an electrical engineer.
I'd use his advise because he's helping you design
and build your system and you might need his
help down the road.

My personal opinion is its probably a little overkill in your car,
but what can it hurt.
My girl works as the HR manager in a company that
makes wire looms for emergency vehicles, they leave
nothing to chance.
It's the little extra details that makes their products
superior to other manufactures.