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Old 06-04-2011, 03:01 PM   #137 (permalink)
cfg83
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Join Date: Dec 2007
Location: Southern California
Posts: 5,864

1999 Saturn SW2 - '99 Saturn SW2 Wagon
Team Saturn
90 day: 40.49 mpg (US)
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brucepick -

Quote:
Originally Posted by brucepick View Post
OK, I'm stumped.

Where does the "template" come from? Is there a post or thread that outlines how to use it?

Thx.
(this is subject to correction by aerohead)

When I was first learning to use the template I made a mistake. Here is a correct overlay onto a 1999 Saturn SL2 :



The "0 degrees" is at the center of roof camber.

When I tried to apply the template to my 1999 Saturn SW2, I moved the template to line up to the end of my wagon, which was my mistake :



Question: Why is the stock Cd so different between models?

Answer(?): Even though the car designs are nearly identical, my mini-wagon violates the overlay template. When I keep the template over the center of camber (aka the same as the SL2), you can see the rear roofline break out of the template :



Saturn Stock Cds for reference :



CarloSW2
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