Good lord man, learn some physics.
The POINT of ABS simple: a tire that can turn is a tire that can steer. That's it! You lock up your tires, it doesn't matter what you do with that wheel, you are no longer in control of the vehicle. You will continue along your force vector until you have lost your momentum.
There is a second thing at work here. The coefficient of friction is different depending on if the tire is skidding over the pavement or if it has not broken free. Thus, you have more stopping power at your disposal if you do not break traction, and as such, you can stop quicker.
ABS is a good thing. It's a computer handling the details of these two items while your mind is busy panicing. So, let's see... more stopping power, the ability to steer at maximum braking, vs... sliding along in the direction of your force vector getting a front row seat to the excitement?
One way to make your old car run better is to look up the price of a new model.