Here's another thread about batteries. http://www.turbobuick.com/forums/show-car-restoration-body-repair/198509-original-battery.html
Check out the numbers on the battery in the pics.
eric------while they look close those are not original production line batteries-------they are original GM replacements like the last picture in my post with the tear out warranty section-------i will not argue that his new car didn't come with it in it but it would have been put in by the dealer perhaps the car sat on the lot too long and the battery needed to be replaced--------i have quite a collection of this kind of stuff from cars (gn and gnx's) that have less than 10 original miles and i know they are original and correct---------as for the grey vs white i think time has clouded some of their memories------it's not exactly a bright white and with a little dust it could be called grey--------i even have new in the crate complete long blocks that have never been in a car-------and one production line pull that is complete with tranny, wiring, hoses etc and ready to "drop" in a car--------this is my obsessive hobby and i am a detail kind of guy................RC