Lol,Because your knowledge base is too weak. And please links where Intel stock Coolers were used for overclocking. Don't forget next time. Don't just run from your word.
Get a Cabinet that has a SIDE Intake fan and TOP Exhust fan for starters.
How much would they cost approximately? And how do I check the CPU's running temperatures?
We have already recommended...strange nobody here is recommending Speccy to check CPU Temps.....