Well, if you mean the peak core temperatures are going that high -- to 80C -- at full load, my personal opinion is this: you've clocked and volted it too high. I don't know what the stock speed for that processor is (off the top of my head), but the "TCASE" temperature -- 10 or 15C lower than the cores -- shouldn't really run higher than about 60C, because at that point, it's almost on top of the "throttling" temperature. And it would be even worse if you haven't enabled the BIOS to let it throttle back. . . . Let me see . . . . I'm looking at NewEgg's spec-sheet on the Allendale . . .
Again, just my opinion, but that's in excess of a 75% over-clock. From my AMD friends, I know that they don't much OC their Athlon X2's more than 50%. These new Intel processors are a departure from the earlier single-core processors, in that people were satisfied to get a 25% over-clock with the single-cores.
But on these forums, most of the "sane" OC settings I've seen are no higher than 50% over the stock value.
Now . . . . much of our attention has been focused on "middle-of-the-line" models like the E6600 and Q6600 (quad). I haven't paid much attention in recent months to the Allendale or the lower end of the E6xxx product line -- for instance, last year, people were getting extraordinary results with the E6300. But my basic feeling about it is that 75% over stock settings is too much.
Not knowing the retail-box maximum on that Allendale, I'd say that the VCore looks pretty low for the speed you've attained, but the increase in bus speed is a major source of heat, and if you're not damaging the chip with voltage, the heat will do it. . . . . Yeah . . . .your voltage is only 6% above the retail maximum, but the bus speed just seems too high.
You might try for some sort of better cooling solution, but . . . .
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