1836 on a 3000+? most run at 1809-1810 at a stock setting. I have a 3000+ 939 and its never gone past 36 on the stock hsf. Now your claiming your getting a lower temp then ambient temp, and air cooling. If you were running that much of a difference between ambient and cpu temp you'd get condensation forming on the cpu and hsf that would cause a short.
Personally I think your smoking some good stuff.