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09-06-2007, 11:08 PM
Pretty ideal conditions. Test approach was A-B-C-A, where...
A = no mods in place;
B = rear wheel skirts
C = rear wheel skirts plus "fairing" behind the rear OEM mud flap where the lower aft edge of the skirt was attached
I'll post details and pics tomorrow, but here's the nut shell:
- 3 bi-directional runs (6 one-way runs in each direction) for each of A,B,C,A
- Speed was 85 km/h, cruise control set once, cancelled by brake between runs, (flat, deserted road, little to no wind, no traffic in my lane; infrequent oncoming cars)
A average = 50.24 mpg (US)
B average = 50.53 mpg (US)
C average = 50.62 mpg (US)
This was on a 2007 Corolla automatic. I probably should have run this at a higher speed, like 95 km/h, to eke out more significant results.
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