[QuickLTD]

Thanks for the info Aerohead. You always come through with the good stuff. I got the hood sealed internally to the radiator support and the sides are "sealed" from the factory with sheet plastic using a pressure fit. In my other post I discussed the front tray. I think I am trying to over engineer it and I am going back to the K.I.S.S way of thinking. I want to leave part of the front tray open (or a cable actuated drop panel) for the low speed cooling that the blocks will remove. I also have a 12 inch electric fan that I am mounting parallel to the ground as emergency forced air. I rarely get stuck in city traffic but I also don't want to have to jump out during a rainstorm to remove a block due to high temps. As for the grilles I have I seriously doubt the upper is doing anything measurable towards cooling on this car. It is just too small. The supercharged model has even smaller openings than mine.

Another poster suggested I seal the gap beneath the upper grilles. I was actually going to leave that because its an engineered gap , this way I would still get some flow.

I guess the reality of all this is that it is time to get outside and start experimenting with all of these theory's..

Thanks everyone for all of your input!
Dean