Old Videocard

Hey,
Im currently using this old Xpert 98 RXL Video card with 8mb memory lol...whats a good way to reduce arifacting and make this guy clock higher just for the fun of it? Default clocks are 80/80 -> Can go to 115/115 with very little/unnoticable arifacting. I can get this thing up to 150/150 with quite a bit of artifacting...? This is completly stock and no cooling on it what so ever. Lets see how much we can really get outta this guy

First off, get some cooling on it, period. Then OC your AGP as much as it can take. I'm sure tehre are no volt mods for it, so thats about all ya can do ;-\