Originally Posted by
Erron Spalsbury
Well, the frame rail idea is good, but holy cow would it require a ton of work to do. I had the hose and ducts in hand and started in on it. The square hole is just shy of 2.5" in diameter. I popped the rivets on the 5mph shock mount inside the rail. Looked down in there and ugh, there's more in there. A few pieces of folded steel in various configurations. Not only that, they are no where near air tight. Could it be done, yes. In a day without major mods in a pretty structural area, no. It was a risk I wasn't willing to take.
Sooooo....
I decided to build scoops or deflectors instead. Something I see on the open wheel cars all the time but somewhat adapted to our cars.
From the side, something like this... It just takes the air going under the car and pushes over into the wheel well, right at the center of the hub. Seemed to work great with a very simple hair dryer test.
Other side, same deal. Close, but not too close. At full clock it just hits the edge of the raised lettering on the tire. (not that I ever have this car at full clock, ever)
The whole thing hangs down about 2.5 inches lower than the crossmembers. (about the same as my 4" exhaust at the resonator)
Let's hope it works. If it doesn't, the next step will be to get air to these things. Getting it to the hub is tricky. My old ducts were 1"x4" oval. (aka, tiny)