I don't think it's the size of the tank that matters so much (though that tank may cause some lighter mods to just... topple over on their own) as long as it doesn't interfere with you using the power button and whatnot. That said, with the size of that tank, you may find yourself best served by the Hog (which by its name, I'm going to assume is a ridiculously large mod as well...)
Best of luck with it, and I'd be really interested in how you like the tank, though I doubt it will suit my MTL needs...
Anna