Large power supply does not increase computer performance.
That is classic urban myth. Either computer gets sufficient
power to execute the instruction at same speed - or computer
crashes. The PSU is not a motor. A bigger PSU does not make
the computer work faster. Either the computer executes at the
speed of that master crystal oscillator - or it crashes -
stops working.

Same applies to CPU heat. Again, either CPU runs as crystal
oscillator speed or it crashes. Cooling does not make a CPU
run faster.

Caroline wrote:
"Ricky Eck" wrote
Well, that "Could" increase performance. I would say that
putting a power supply two times the amount then you had was
the true increase of performance. However, the freezing up
problem can be caused by MANY things.

Yup.

snip
Furthermore, the cooler you can get that Processor, the better
it will run.

To use basic language: I assure you a definite upper limit to the
CPU's speed exists, and once this limit is reached, cooling
further will have no effect.