This is with the engine belly pan (silver piece) in place. The transition from the air dam to the main belly pan is from 9" ground clearance to about 11" ground clearance.
Air dams have proven to work well for some people. The theory is that the frontal area isn't increased much, especially on a truck with solid axles that have huge pumpkins; and keeping the air out from the bottom of the car (which is not engineered with aerodynamic drag in mind) saves more than the frontal area wastes. You're pushing the air around the sides and over the top which are designed to flow air with minimal drag.
It appears that you press a lot of air out of the way. You may wish to consider the angle of that part so low that not only would push the air from the road, and add to the flow of your truck.
Nice Job! You might want to consider blocking off your upper grille opeming and adjusting your lower opening for optimal cooling .
I just visited Texas ( DFW area ), driving my Jag from Livermore CA ( near SF ). I averaged over 30MPG for the trip despite 75mph+ speeds.
Best wishes L&S
Nice Job! You might want to consider blocking off your upper grille opeming and adjusting your lower opening for optimal cooling .
I just visited Texas ( DFW area ), driving my Jag from Livermore CA ( near SF ). I averaged over 30MPG for the trip despite 75mph+ speeds.
Best wishes L&S
Thanks fer the suggestion...but the most I can block the upper grill is 2/3rds and the lower grill opening doesn't reach the radiator/AC condenser.
Added the lower grill block back in. The bottom opening is now 3 slots vs the previous 2 slots. Need to put some openings in fer the auxiliary trans coolers. I'll use some aluminum flashing to block those off when cooler weather/winter rolls in. I might even put some 92mm high flow computer fans to work in there, too.
I still have to redesign my air dam belly pan since the previous one got broken off when I hit an extreme angled driveway ramp.
Re: Extended air dam...
Linear Mode
