12-25-2009, 04:20 AM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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Not Ranked
A good local sheetmetal shop could do it. I make them from marine grade 5052 aluminum or stainless. You mention fill problems I always vent them with a rollover valve and they should be baffled. They can be built to a good set of drawings or if it's hard for you to draw and measure in the car just make a cardboard mock up.
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