The problem with that is that someone else's specs may not work for you. So many variables ...
You should learn to do this yourself - if only for next time you build a system.
HOWTO: Overclock C2Q (Quads) and C2D (Duals) - Guide v1.6.1 http://www.tomshardware.com/forum/240001-29-howto-overclock-quads-duals-guide
Core 2 Quad and Duo Temperature Guide http://www.tomshardware.com/forum/221745-29-core-quad-temperature-guidehttp://www.tomshardware.co.uk/forum/245679-11-guide-overclocking-ds3l-updated-2008
The third link is for a P35-DS3L motherboard, but the Gigabyte BIOS's are similar.