Some questions about ocing

When OC'ing (I have an i3 530 btw), should you always manually change the voltage? I kept mine at auto, and I raised my bus speed from 133>137 (multiplier is 22) and now it's hitting 65 degrees when using prime95. According to the intel website the max temp I should let it become is 72, so I decided I'll only let it hit 65 for some room. Is only allowing it to hit 65 a good decision?

If I keep my voltage at stock, what's the highest I can raise the bus speed to before it becomes unstable? If it does become unstable, can this permanently damage my cpu? Is raising the voltage the one that increases the temperature, or is it raising the bus speed that increases temperature? Or is it a mix of the two?

One last question, would re-applying thermal paste and buying a cheap CPU cooler make the temperatures noticably lower?
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More about some questions ocing
  1. If you raise the voltage way too high, it will start to rapidly reduce the lifespan of the chip, if you want a cheap cooler, grab a Coolermaster Hyper 212 Evo air cooler, they are very cheap but get the job done, but they are a pain to install.

    It depends, you should set the voltage manually to get it as low as you can while it still being stable.
  2. also, i suggest setting a manual voltage, your motherboard over compensates for overclocks and will cause unnecessary heat
  3. Thanks for the replies. Does anyone know if it's the voltage that raises the temperature in an overclock or the bus speed? Or a mix of the two?
  4. they both do, but voltage is the worse of the two
  5. Increasing the voltage in big intervals can cause cpu to die ....first increase the fsb or clock speed then check for stability and only in the last step go for the voltage upgrade
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