I've noticed that when you bring down the timing to 333 or 266 it allows you to to get higher OC's also if you change the FSB to 4 or or 3 that seems to help aswell.
......what? I don't even know what you are trying to say here.
First off, memory 'timings' are completely different than what you are talking about here.
for 1:1 your CPU FSB must match your RAM FSB. PC3200 = DDR400 = 400FSB RAM, PC2700 = DDR333 = 333FSB RAM, PC2100 = DDR266 = 266 FSB RAM.
Divide the FSB by two for the RAM, and that's what the CPU FSB in your BIOS should be set to. If you have a 266 FSB CPU for example then the FSB would be set to 133MHz in the BIOS. You need to either see if your computer has a 'CPU/DRAM' ratio, because some you can actually set 5:6, or 5:5 (5:5 would obviously be 1:1 just being shown as another fraction), or if you can manually set the RAM MHz, make sure it's the same as the FSB