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Baseline measurements
What type of measurements could be used to determine vehicle performance without mods, then again with mods? I would like to separate technique gains from mod gains. Mainly I am thinking of aeromods, but it could be other vehicle mods such as synthetic oil, etc. The idea is to keep a record and then do the same tests for each mod to see where the performance gains are.
Assume a Scangauge is in the vehicle.
Some ideas:
Instant mpg at a steady 30mph, 40mph, 50mph, 60mph, 70mph on a flat road, no wind.
Trip average mpg between two specific points (mile markers) at a given speed.
Start coasting at a given speed at the top of a hill, measure speed at a point near or after the bottom of the hill.
Measure Cd? (I have no idea how).
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