Originally Posted by MichaelDelaney of Team-Integra.net

HP loss due to Aerodynamic Drag= [Cd * A * (V^3) ] / 150,000

where:

Cd = drag Coefficient
A = frontal area in sq. ft.
V = Velocity (speed) in MPH


Cd for all gen Integras = 0.32

Frontal Areas (ft^2 )

Gen 1 20.16

Gen 2 nonVTEC 24.47
Gen 2 VTEC 19.54

Gen 3 20.50
-------------------------------------

20 MPH = .35 Hp
60 MPH = 9.4 Hp
90 MPH = 31.9 Hp