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Still cruising along with the hubcaps, no additional issues. As fall is approaching (cooler weather to work outside on the car in), I start to ponder a doable project.
The other day I had to take off the front due to a flat tire and I got to looking at the inner fender. For some time I wasn't 100% sure where the front radiator air exited the car, though I'm pretty sure I've found the exit; into the wheel well as the holes for suspension clearance are 10 x larger than needed. Plus, there's a vertical return on the trailing edge of the fender opening that projects downwards into the underfloor, creating an additional low-pressure draw to help evacuate the front fender (and draw cooling air out).
Where I'm going with this...my car has active grill shutters. I was wondering, if I can figure out a way to draw even more air through the radiator, would it cause the grill shutters to be closed more often? I was thinking of putting a gurney on the leading edge of the hole in the inner fender; the area is so turbulent I don't think I'll take any drag hit though I'm sure the gurney itself won't be as effective as if it had been placed elsewhere.
Most of my question really has to do with general thoughts about the logic designed into the control system for active grill shutters, surely they react mostly to a thermostat that controls the temperature, right? So if I can draw more air through the radiator, it will cool more, and the shutters will spend more time closed, yes/no?
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