I don't know about cargo boxes but to lift my poptop with a canoe on top I
climb up into the luggage rack and lift from there. You could fasten a 2x4
or similar to your rack to use as a lever. In my case the canoe itself is
the lever :-)

Cheers,
Doug

On 3/14/06, Mervyn Readman <themervino@cs.com> wrote:
>
> So I put a Yakima cargo box on my pop top to see if I can lift up my
> camper
> top. I slid the box as far back as it can go on the roof trying to offset
> the weight a little. Even with the box empty there was no way I could lift
> up the pop top.
> I see lots of photos on the internet of westies with these cargo boxes on
> their vans with their tops up so I am wondering
> Is there some secret info I am missing like turbo springs for the pop top
> lifters or do these folks get a few brawny people to help heave it up.
> Any insights or wisdom will surely be appreciated.  Merv 90 Carat
>                                                      Subie powered
>