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Old 09-20-2009, 11:27 AM
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David Kirkham David Kirkham is offline
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Join Date: Mar 2001
Location: Provo, Ut
Cobra Make, Engine: Kirkham, 427
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Quote:
Originally Posted by Ronbo View Post
David, well done on the book. Lots of pictures and not too much jibber-jabber as Mr. T would say.

I see a set of CV's in my future, glad to see you adopted this into the cars.

I'm curious what your thoughts are about a modified tunnel design for the existing frame that would help stiffen the chassis? (for the production cars) I'm sure there are other weak spots (like the frame rails being so far inboard), but it seems like the tunnel could provide a large improvement to chassis stiffness without impacting the originality too badly. (especially since it's covered in carpet anyway)
There is really nothing that can be done to the tunnel on our cars to make the chassis any stiffer. The best that can be done is to put a tubular backbone under the tunnel--connecting the differential box on the chassis to the down tubes by the foot boxes--like was done on the Daytona Coupe. The problem here, however, is the down tubes are not very strong and there probably wouldn't be much to gain. On the other hand, even a little improvement in chassis stiffness is a big help.

David
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David Kirkham, President Kirkham Motorsports
Manufacturer Aluminum Body Kit Cars and supplier to Shelby* for their CSX4000, CSX7000, and CSX8000 289 and 427 Cobra
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