Thanks to all
As about temp of CPU
AMD Athlon X2 4000+ @ 2.1Ghz overclocked at 2.9Ghz
Normal temp = 31 C
On Ex-load for 2 hours Temp =40 C
Room Temp = 35 C
Here is the pic of my radiator & home made pump, Full coper Radiator is from old Oil cooled Machinary from local scrap yard.
No reseviour used, since my radiator can hold 675ml of coolent.