Naca Duct 3" Single Hole : eBay Motors (item 160404322716 end time Mar-15-10 15:36:23 PDT)

For 18 bucks, could i just use this and paint it body color? Sorry, I'm not balla enough for the CF.

Thats basically the same one I have....only mines black

I don't think so, unless you take your headlight out like cspence did. You need something flat to fit between you headlight and the lid

STOP TALKING ABOUT HIS LINK and TALK ABOUT MINE!

Fuck your link :giggle:

Will add my carbon fiber NACA duct DIY to this thread, hope you don't mind.

Bought for 10 bucks of craigslist.
http://www.t-netzone.net/miata/nacalid/_MG_6190.jpg


Made scratches on the lid where bondo will go onto.
Then taped the duct side where it will bondo to the lid (so I can lift it off later after the bondo). Then taped it onto the lid.
http://www.t-netzone.net/miata/nacalid/_MG_6203.jpg


Taped the opening.
http://www.t-netzone.net/miata/nacalid/_MG_6200.jpg


Side shot of the gap that needs to be filled with bondo.
http://www.t-netzone.net/miata/nacalid/_MG_6201.jpg


Filled the gap with bondo, then took off the duct.
http://www.t-netzone.net/miata/nacalid/_MG_6206.jpg


Wet sanded to a smooth surface.
http://www.t-netzone.net/miata/nacalid/_MG_6207.jpg


Epoxied glue the NACA Duct to the bondo surface. Then can spray painted it with a few coats at a time.
http://www.t-netzone.net/miata/nacalid/_MG_6214.jpg


Wet sanded the paint and then layed 3 layers of clear coat afterward. Then wetsanded again to smooth out bumps. Then compound waxed it to a glossy shine.
http://www.t-netzone.net/miata/nacalid/_MG_6232.jpg


Peeled off the taped section.
http://www.t-netzone.net/miata/nacalid/_MG_6233.jpg

http://www.t-netzone.net/miata/nacalid/_MG_6234.jpg

http://www.t-netzone.net/miata/nacalid/_MG_6241.jpg


Used the small net grill section that came with the bondo for the rear, (bent the piece to a soft corner "S" shape) and used epoxy to hold it to the back of the lid piece.
http://www.t-netzone.net/miata/nacalid/_MG_6244.jpg


Laid down some more glossy wax and "Ready for my close-ups."
http://www.t-netzone.net/miata/nacalid/_MG_6245.jpg

http://www.t-netzone.net/miata/nacalid/_MG_6246.jpg

http://www.t-netzone.net/miata/nacalid/_MG_6248.jpg

Since this is the unofficial "post your NACA ducted headlight lid" thread, here's mine.

- 3" duct
- JB weld as adhesive and filler
- flat-blacked the sides of the duct

It came out just okay. If I were truly baller I'd have done like Pharo_X did and repaint the lid.

https://fbcdn-sphotos-a.akamaihd.net...68746291_n.jpg
https://fbcdn-sphotos-a.akamaihd.net...97619443_n.jpg
https://fbcdn-sphotos-a.akamaihd.net...06552942_n.jpg
https://fbcdn-sphotos-a.akamaihd.net...82278580_n.jpg

Looking back through the thread, most aren't as inboard as mine. Mine's about as far back and as inboard as you can get too, I had to cut the bolt the housing pivots on for clearance..

How are you guys tracing the naca hole onto the lid?

Observe my first pic, I just cut a template from the duct and plopped it onto the lid.

I was lookin at that pic but coudnt figure it out.. it all makes sense now though... ignore me and continue posting pictures! haha

Just make sure to place yours further toward center than I did, lest you have to trim your bolts for clearance.

That seems to be a great idea and I think I should try it in my one too.