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-   -   Cold Air Box Fabrication (http://www.clubcobra.com/forums/all-cobra-talk/142928-cold-air-box-fabrication.html)

Bill D 11-04-2019 06:46 PM

Cold Air Box Fabrication
 
I am really going to test my fabrication skills trying to fabricate this cold air box grow .063 6061 aluminum.

https://thumbs2.imgbox.com/bd/df/MsaB7ePm_t.jpeg

https://thumbs2.imgbox.com/50/00/qOw2O01a_t.jpeg

https://thumbs2.imgbox.com/62/86/AUT2JcDC_t.jpeg

Dimensions taken and plotted. Ready to layout the first (and only) attempt

xb-60 11-05-2019 02:39 AM

Bill, from what I've seen of your fabrication skills so far, I have every confidence that you'll turn out a very functional and professional looking air box. Looking forward to seeing the progress.

Cheers,
Glen

Blas 11-05-2019 01:11 PM

You should also dimension the center-points for all the corner radius’s, trying to line up two edges of the bit will cause many errors....

The sides could be a separate piece from the horizontal sheet too. Bending could be difficult as the sides do not appear to be 90 degrees to the base?

You could make a test on plexiglass sheet first....

Blas

Jdata 11-06-2019 05:24 PM

I'd be curious is there is any gain it loss. I know the turkey pan and restrictive air filter kills power.

Morris 11-06-2019 06:26 PM

Quote:

Originally Posted by Jdata (Post 1468294)
I'd be curious is there is any gain it loss. I know the turkey pan and restrictive air filter kills power.


Building a air box can create a reversion outside in the air box when enclosed.

Gaz64 11-07-2019 03:23 AM

Quote:

Originally Posted by Jdata (Post 1468294)
I'd be curious is there is any gain it loss. I know the turkey pan and restrictive air filter kills power.

The small air filter restricts power, the turkey pan does not.

Quote:

Originally Posted by Morris (Post 1468298)
Building a air box can create a reversion outside in the air box when enclosed.

Please elaborate.

Both of my Webered cars show no sign of fuel reversion in their airboxes.

Gary

strictlypersonl 11-07-2019 08:25 AM

I was curious whether this was similar to what I've designed for the ERA GT cold air box (base). The venturi holes are only about .040" diagonal offset from my drawing. If Bill D wants to share his effort, I can supply a DXF. (I couldn't find an overall height, so I just guessed.)


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