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Mark. Sent you an email message to your gmail account this evening East coast time.  Regards, Charlie Brown
NoShortcuts
a.k.a. Charlie Brown
near Syracuse, New York
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That's not a 4160. Do you know which CFM it is?
Lawrenceville, GA
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charliemccraney (11/14/2018)
That's not a 4160. Do you know which CFM it is? The label on the box lists it as a Summit 4160c and the CFM is 600. It is kind of a Frankenstein Summit version of a Ford and Holley that isn't available anymore. I remember when Ted tested it and was impressed with it. That's why I bought when switching from a the tripower to a 4bbl. Ended up using Mummert's 4bbl intake and a Holley 650.
57 Black Tbird 312/auto
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Charlie. In looking at the Summit Racing web site, it appears that Summit has changed their numbering system pertaining to this carburetor. While I see two 600 CFM carbs currently listed, many of their Summitt offerings are for other CFM ratings.
I'm not sure when Mark purchased the Summit carb he is offering for sale, but I suspect that Summit has made some changes to what they are making and marketing since.
NoShortcuts
a.k.a. Charlie Brown
near Syracuse, New York
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What I see is a Holley labeled on the box, https://www.holley.com/products/fuel_systems/carburetors/classic_holley/parts/0-80457S.You're sure it's the 600cfm version? The Summit carb is based on a Holley 4010.
Lawrenceville, GA
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Charlie is right about label on the box. Now looking at it after being on the shelf for several years, I probably put the Summit carb in the wrong box when storing it. I thought Summit quit selling it years ago and I can't find any information on their website. I contacted Ted Eaton who is familiar with the Summit carb asking for anything he might have on it.
57 Black Tbird 312/auto
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After doing some digging found this carb listed on Summit. https://www.summitracing.com/parts/sum-m08600vs
57 Black Tbird 312/auto
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As Charliemc indicates, that carb is similar to a prior 4110 Holley. In turn as I understand it, the "annular booster discharge" setup is a throw back to the Ford Autolite carbs that first came out in 1957-58. They were described by a former well known carb rebuilder as the closest thing to fuel injection, that wasn't. Apparently John Mummert's shop has had some success with Summit carbs.
Paul
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