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aerohead · 10-28-2011, 06:40 PM

I photo-enlarged your photo and did a Template overlay.
From a 1993 Sentra road test,it looks like your car is 53.9-inches in height(unladen),and 170.3-inches length.
To get the roof extension to the Template would require raising it around 4.6-inches at the top trailing edge.
Also,it looks like the valence/diffuser could drop about 2.6-inches ( unless that would risk a ground-strike).
With your extension,you're at 33% aft-body,same as Prius II @ Cd 0.26.
The Daimler-Benz "bionic","boxfish",@ 32% aft-body is Cd 0.19.
Kamm's best car,@ Cd 0.25 had 38% aft-body.
So you're scratching at some tasty Cds now.

10-28-2011, 06:40 PM	#25 (permalink)
aerohead Master EcoModder Join Date: Jan 2008 Location: Sanger,Texas,U.S.A. Posts: 16,331 Thanks: 24,453 Thanked 7,393 Times in 4,788 Posts	Sentra/Template I photo-enlarged your photo and did a Template overlay. From a 1993 Sentra road test,it looks like your car is 53.9-inches in height(unladen),and 170.3-inches length. To get the roof extension to the Template would require raising it around 4.6-inches at the top trailing edge. Also,it looks like the valence/diffuser could drop about 2.6-inches ( unless that would risk a ground-strike). With your extension,you're at 33% aft-body,same as Prius II @ Cd 0.26. The Daimler-Benz "bionic","boxfish",@ 32% aft-body is Cd 0.19. Kamm's best car,@ Cd 0.25 had 38% aft-body. So you're scratching at some tasty Cds now.