Aaron, thanks for your great advice.
I was wondering how important the sticker is that lines the batter compartment on the xxx graphite cars. Does it really prevent some type of conduction between the chassis and and battery? Do you have a recommendation on what I can use to line the batter compartment with other than that sticker. The sticker has a tendency to tear apart after a while and I end up lining it with electrical tape which doesn't last that long either. Thanks.