Originally Posted by c69vete

I just went thru this while preping my car for the Power tour. On the first drain there was not enough room to really catch the coolant and not cause a mess as, like you stated, the drain is directly over the frame. After the first drain, I removed the petcock and installed a 90 degree brass street Ellbow, 1/4 pipe thread into the rad. Then reinstall the petcock into the ellbow, pointing straight back. Now when you open the petcock, the coolant will flow into a bucket under the car with out hitting ANYTHING. You can expect about 2 1/2 gal of liquid if the system was full. By the way I am using a B-Cool alum. Rad.