Post your DIY aero pics
#166
12mm birch water cut, 2 - 8mm threaded rod front supports, 2 - 1" x 1/8" metal bar supports behind bumper between fog light holes and mouth, 4 - 10mm bolts to the subframe. Extends to the rear of the front lower control mounting point. I can stand on it.
Posted these earlier
Posted these earlier
#167
In the first pic you can see the 4 x 10mm bolts. There are 5 8mm holes in the subframe, I drilled and tapped them for 10mm (I believe these were for the factory undertray.) The outside of the frame rails also have some 8mm holes in them which were drilled to 10mm. I used 1" metal bars for those. I used two 8mm threaded rods for the front two supports that attach to 2 of the 3 holes in the sheet metal you can see in the bumper opening. The front two will need more work as they started to pull through the thin sheet metal after the last track day.
#171
Not a miata, but this was my old smf car. Had it one for the last event of the season last year. Didnt even have the air dam on and it made so much more front grip I could not keep the *** end of the car behind it to save my life.
2011-10-21152729.jpg?t=1319246910
2011-10-21152720.jpg?t=1319246973
2011-10-21152741.jpg?t=1319246834
Held to the lower rad support by 5 5/16 bolts and held to the bumper with 6 more. Super overkill, extended 6 inches from the body work, went to the wheel well openings, only because going to the centerline of the front wheels would have been a complete pain in the ***. 1/4 exterior grade pine plywood.
2011-10-21152729.jpg?t=1319246910
2011-10-21152720.jpg?t=1319246973
2011-10-21152741.jpg?t=1319246834
Held to the lower rad support by 5 5/16 bolts and held to the bumper with 6 more. Super overkill, extended 6 inches from the body work, went to the wheel well openings, only because going to the centerline of the front wheels would have been a complete pain in the ***. 1/4 exterior grade pine plywood.
#176
Holy crap thats overkill for sure. A layer of glass on one side and making sur it went over the edges would have been more than sufficient. You may have just made it hard enough that it'll crack the first time you hit something with it. Heck just straight 1/4 plywood is good and you can get the redbull F1 effect, at least those of us limited to a 3* attack angle think about that.
#178
I used 1/4 exterior grade pine. To tell if its exterior grade look at the edge and you'll see that the glue is black, that denotes the water proof glue (typically). The normal plywood glue is not water proof. But if I had to do it again (and I will) I would coat the edges with resin. It did start to warp a bit after a few snow storms of daily driving.