How high have you been able to overclock your Geforce 4 Ti 4400?

[AmdInside]

I want to overclock my 4400 as a 4600. How high have you guys been able to flash your Geforce 4 Ti 4400 cards? FYI, I have an EVGA Geforce 4 Ti 4400 card.

 

[Boogak]

My PNY Ti 4400 does 311/641 with stock cooling.