DIY: Battery Relo

travisjb

good grief ! LOL

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2009 370Z #104
*For Sale*

370zForever

Guys quick question, after you install the battery, is it possible to put the spares and other junk back on!! Cause that stuff weighs like 55 pounds and the battery only weighs 14 pounds...Doesn't that worsen the weight distribution and also I am going to use the car as a track day car, but I also need the trunk once in a while for daily driving...So can you put the excess weight from the trunk back in?

wstar

Actually, according to the weight reduction thread, the stock battery is 35 lbs, the stock spare is 35 lbs, and the stock subwoofer is 8 lbs. So by removing all 3 and adding a 14 lb battery in the trunk, your net change is a total drop of 64 lbs, 35 removed from the front and only 29 removed from the rear, which if anything is a slight shift in the "good" direction. (note this doesn't consider the weight of the battery holder or the wiring, but the battery holder is like 1lb or less extra in the rear, and the wiring runs all along the car).

I ended up just leaving the styrofoam junk in the rear, as well as the plastics, and then put the stock cover board and carpets over it all. So basically my trunk is configured exactly like stock, except the sub and spare are missing and the battery is back there. This leaves the trunk functional, although the floor is a bit "unsupported" since there's a hollow round hole underneath the carpet + board. Honestly though, there aren't many things I would throw in my trunk heavy enough to cause an issue with that anyways.

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7AT Track Car!
Journal thread / Car setup details