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From: Boston, Dallas, Detroit, SoCal, back to Boston MA
Originally Posted by 69427
I don't have any pictures handy, but they're essentially a length of one inch "tall/outward" firm plastic (the same firm plastic that is used on the front airdam) attached to the leading edge of the wheelwell. Due to the slightly outward/round shape of the bodywork from the parking lights to the wheelwell, the air is moving slightly outward in addition to backward. I'm just trying to kick it (the air) out a touch more to get some additional low pressure in the wheelwells.
From: Boston, Dallas, Detroit, SoCal, back to Boston MA
more info...
Originally Posted by Solo2GS
Its an APR GT2 wing with custom end plates. I have one. And yes, it does help at Auto-x speeds significantly. For high speed events I simply take the top plane off...
Looking at it, its likely custon as it has two 7.5" planes, like mine, that is not the standard kit, but allows you to have the allowable sq inches of wing per SCCA rules.
Many in SM / SSM/ XP have rear wings.
a 2009 Vail National Tour - All APR GT2 rear wings shown
I'd talk to Pete at APR who is very helpful when it comes to designing wings!
Looking closely also shows that they put on a Gurney Flap, which significantly increases down force. Easy to do with a strip from Home Depot.