Step 1: Cooling the Gpu
So when it came to keeping the gpu cool I decided to do something different. I searched for hours trying to find someone who extended the cooling shroud with fans; creating a cold air inlet. So I purchased two mini fans from radio shack and constructed a front-end shroud out of card board and hot glue. This took a couple hours because it was very intricate and needed to be the perfect shape, and fit around all the existing components. It came out perfect and pushed a lot of air over the gpu heat sink, all on its own. Once connected to the rear fan they created a huge flow of air over the heat sink and kept it very cool; one pulling cold air in, and the other pushing it out the back. I also did the 12volt modd with two 150 ohm resistors ran in parallel.
then to finish it off i cut a hole on the top and used some screen i found at a local surplus store. Also, I cut the grill for the rear fans because they restrict a lot of air. My Xbox has been working great for months, and for many hours at a time. Please leave feed back, I would love to here it. Thank you