cheers :)
I made some more improvements and tweaks with occlusion culling, its the best I can make it and runs best using 30ms or less time delay.
It causes flickering with transparent objects if something can be culled that is positioned behind it but other than that its pretty good.
I tested a 1.2 mill polygon terrain and was still getting around 260 FPS looking at the most detailed sections., with the rest was closer to 300+ FPS..