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Old 07-10-2019, 12:52 AM   #19 (permalink)
Master EcoModder
Join Date: May 2019
Location: California
Posts: 399

2020 - '08 Chevy Tahoe H
Last 3: 18.4 mpg (US)

2021 - '08 Chevy Tahoe H
90 day: 19.73 mpg (US)
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Originally Posted by Snax View Post
Ha ha, yeah . . no . .

I was just looking under the rear area ahead of the bumper, and it looks like they did wrap everything up like a diffuser, but it lacks side dams. I might try hot gluing something on down there to test out as that seems like one of those things they would likely have compromised out of the design for durability considerations.

All else on the car is otherwise so clean that substantial gains seem most likely to be with either my driving or the boat-tail I am so against.

Anyway, unless people have other suggestions, I will probably stick to this thread for whatever mods and testing I do.
well you could not drive at all and take the bus to get more mileage
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