Anyone ever modify and atomic four? - Page 2 - SailNet Community

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Old 02-22-2010
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There is a replacement downdraft carb available for the Atomic 4 . I put one in my Alden back in the 90's for $180 . It was a bolt on installation with no mods needed. I think I got it from Hale Marine. The flame arrestor from my old updraft fit on it as well.

Thats really what i'm looking for, do you have any more information on that?
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Old 02-23-2010
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Go to Foley's website. You are looking for a Zenith carbuerator. It is listed as a Universal PN U288482.
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Old 02-23-2010
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Go to Foley's website. You are looking for a Zenith carbuerator. It is listed as a Universal PN U288482.

That is the stock updraft carb. didn't you have a downdraft. I am definitely curious to see the setup.
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Old 02-23-2010
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How is a downdraft carb a "bolt on" to an updraft manifold?
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How is a downdraft carb a "bolt on" to an updraft manifold?
That is one of the things I want to see, if it had a big U bend in it it would likely be worse than the updraft, but the kit may also come with a new manifold?? Not likely but worth looking in to.
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Re: Anyone ever modify and atomic four?

I agree that in most applications the A-4 is probably more power than can be practically applied anyway. I would opt for increase reliability and smooth operation.
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