Battery position?

[Davey]

Hi guys and gals. Bearing in mind that I'm building a heavy-ish roadster type car with a dirty great iron block V6 up front my mind has turned to weight distribution. I've weighed the lump and 'box and even without clutch, flywheel, alternator, PAS pump, inlet manifold, ITBs, exhaust manifolds and fluids it still weighs an eye watering 182KGs, by the time all those bits n bobs are added its going to be resembling a rather ugly 1/5 Tonne if I'm not very careful. The motor is positioned as far back in the chassis as is reasonable but to try and counter all this weight up front I've been thinking about positioning some of the other heavy bits. To this end I have been thinking of using two six volt batteries in series and mounting them either side of the fuel tank. It will be easy to create access hatches in the rear deck and dedicated battery fixtures can be easily fabricated. electrically they can be connected via a key operated cutoff switch for safety (and security) which could even be mounted between the seats. So what do you think guys, is this a good idea or am I wasting effort?

D.