In reading this thread I remembered we have a very acurate truck scale here so I drove my car over and weighed it. With the Chrome FR500's full tank of gas and my tools in the trunk it weighed in at 3339. I know the car sits in the 3200 range when I have the welds on and my tools removed from the trunk. Majority of the weight being the heavy ass chrome rims with the 10.5 rims out back.
I still run the a/c on my car and have no intentions of removing it, I have done quite of bit of weight removal on the car. Some of the things I've done.
rear seat delete
gutted the trunk
removed the front sway bar and mounting brackets
quad shocks and mount removal
pulled all the sound deadener out of the car
pulled the front bumper support
air bags removed
aluminum driveshaft
big and little's for the track
ABS rings removed
cobra R hood
I've also relocated the battery to the trunk, as my novi and paxton intercooler put a good amount of weight on the nose of my car.
Things I still plan on doing
K member & A arms
Remove the ABS box in the engine bay
corbeau seats or at least cloth seats with manual racks
I know my car isn't a cobra but for the drag racings guys that are serious about weight removal it pretty much can follow what I've got and come up with something pretty close, aside from s/c setups blocks/heads weight should come pretty close.
I don't feel that I've gone overboard on my car it is still very streetable and the interior is in tact minus the air bags and rear seat being removed. I will continue to keep the radio and a/c as these are creature comforts that I don't see a whole lot of gain from removing.