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Old 09-28-2020, 03:07 AM   #19 (permalink)
19bonestock88
Master EcoModder
 
Join Date: Jun 2016
Location: KY
Posts: 1,352

IGL - '04 Saturn Ion
Team Saturn
90 day: 56.19 mpg (US)
Thanks: 63
Thanked 366 Times in 269 Posts
I didn’t plan for much other than a ledge protruding out from the bottom of the bumper (an inch or two) to aid in separating the flow that goes over the top of the car, from the air going under it. I used to have a fairly deep air dam but when I switched to the Ion Redline nose I didn’t carry it over. The only other goal for the car (other than low drag and exceptional mileage) is for it to be fairly quick. I drive it really hard from time to time and high speed stability and engine cooling is very important. If I can reduce lift while I’m reducing drag I’m all for it
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