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Originally Posted by JRMichler
The bottom row of bolts fasten to angles that bolt to a second piece of conveyor belt intended to add stiffness to the visible piece. I have not yet observed whether the air dam flexes back under wind loads on the highway.
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Please post a photo of your setup for lower lip bracing, it sounds interesting.
Below is my solution, obscured in the photo is the cross bar forming the big "U" shape for the metal. The lower lip is braced only for about 18" in the middle, but works because of the curved shape.
Chin Spolier - fast/easy/cheap/effective - Page 2 - Pelican Parts Technical BBS
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I did a 80 mph test, the front spoiler concaved on me at the middle, needed additional support. ...........
I attached aluminum channels to the ABS rock guard, and notched the channels with a grinder, and then bent into an arch and attached with bailing wire a steel wall standard (shelving type) to form the bow reinforcement.
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You are looking at two layers of chin spoiler plus a splitter, it's quite the mess under there but works and looks good from the outside.