Highest recommended voltage for a P4 2.8?

[PIMPBOT5000]

Hey guys,
What do you guys recommend as the highest voltage for a P4 2.8? I have mine at 1.65V now and it runs smoothly @ 3.15, however the chip can go much higher but is unstable as hell.

Here's my rig...

Gigabyte 8SQ800
P4 2.8 - Swiftech MCX4000 with Vantec Tornado
4 x 256MB Crucial DDR2100 @ 300MHz running in dual channel mode (will go up to 333, not stable though)

 

[zShowtimez]

Dont go any higher than 1.65. I would personnaly keep it at stock or lower

 

[jhites]

Is that voltage actual or bios?
Load or Idle?

Be sure to check it using MBM, CPU_Z, etc in Windows
and keep the actual voltage below 1.65v. Going above
1.575v will most likely not give you enough gain to make
it worth the risk.