Hello Chuck,
I made the F14 emulsion tube myself, because I could not find any.
I used a F7 tube, drilled the inside diameter to 3.5mm (it is 3.0 now) and made myself a sleeve with an interior diameter of 7.5mm and an exterior diameter of 8.2mm, length 12 to 15mm.
I used brass. You have to drill on a lathe first to 7mm, then to 7.5 to make the hole as exact as possible.
Then you turn the exterior diameter to 8.2.
Do not remove the burr for now from the edges as this will help to slip the sleeve tightly over the F7 tube.
Click image for larger version Name: F14.jpg Views: 40 Size: 18.5 KB ID: 12161
I include a picture of how this looks like.
http://www.clubcobra.com/forums/atta...1&d=1166659604
You have to drill four more holes in the top row (it has only four now) to make a total of 8.
These are the tubes I have in my car right now and they work very well.
Good luck, and let me know how they work out for you.
I am glad to hear that you noticed the improvement with the 40mm chokes. No try to get the transition sorted out and you will experience the real weber feeling.
42 mm chokes may work well too. Just a matter of trying it out.
Stefan
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how to make the F14 emulsion tube
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