1985 Buick Grand National has an LS swap has a 2001 Chevrolet pickup truck motor has a 4l60e freshly rebuilt has new front control arms and Springs had the floor pans replaced new tires new rear brakes new carpet front and rear windows 10 resealed many extra parts runs very good has an NX Nitrous system adjustable from 50 to 350 https://www.jegs.com/i/Nitrous-Express/744/20935-15/10002/-1 I believe. has a new AC compressor. The air conditioning works. I have better door panels and steering wheels. some weather striping. D80 o not have any of the factory engine or trans. Has factory g80 rpo limitedslip diff 323 gear