Thanks Indy.
My tires are always at 40 psi. What kind of aeromod are easy to do on the GV?
Blocking the grille? Skirt?
I was thinking about the ScanGauge but I bought (for now) this:
more info obd2
Pretty cheap, just need the right software now.
Maybe I'll build one of these (more fun no?):
MPGuino: Open-source, DIY Fuel Economy Instrumentation for under $50 | Hypermiling, Fuel Economy, and EcoModding News - EcoModder.com
I'll start from tuning the car.