Ok I am using the smaller radiator.... i shortened my tubing and I am using a gm 2002 impala fuel pump running on 5 volts. This is giving me better pressure than the other a/c pump. If i put the fuel pump on 12 volts it pumps 2x harder but i see only 1 degree celcius difference in the temperature. I am going to try to reapply my heatsink compound onto the water blocks and see if it makes a difference my temps now are between 38-40 celcius with cpu cool on and 46-47 celcius with cpu cool off. I am using an athlon xp 1300
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