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Old 05-14-2020, 07:58 PM   #28 (permalink)
MHR1294
106 diesel enthusiast
 
Join Date: Apr 2020
Location: Scotland
Posts: 10

Peamobile - '96 Peugeot 106 XND
Thanks: 7
Thanked 3 Times in 2 Posts
To OP

I had a 2001 Volvo V70 T5 which had a high mount spoiler with a "hole/slot" in it.

Interesting thing happened, you could see the giant swirls in the mirror generated when it was raining in the spray. You could see 2 big swirls forming on the rear window coming down from the upper middle an spreading out. So looking from the rear, that's clockwise on the left and anti-clock on the right.

With the hole covered up, the dirt left on the rear window was more uniform spread. Fuel consumption was a little bit worse too, however the scale only reads to the nearest 0.1mpg (imp) so 0.4mpg improvement might not be as significant when you take in other factors.

so, I don't know what it was doing, but it was definitely doing something.

Perhaps it's performing a similar function on the fiesta?
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