08-31-2013, 06:45 AM
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CC Member
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Join Date: May 2006
Location: Portland,
OR
Cobra Make, Engine: ERA FIA, 1964 289->Webers
Posts: 3,689
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600 is not too small, if you don't plan spinning higher RPMs. In fact, a 600 cfm carb will have a snappier response.
RPM range is really the key. If you are trying to pull large amounts of air through the carb(higher rpm) you will need larger cfm. If you have a larger cfm, lower volumes of air have a more difficult time pulling fuel out of the Venturis(poor response).
So, the carburetor needs to be selected for its use, not max RPM
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ERA FIA 2088
Last edited by *13*; 08-31-2013 at 08:52 AM..
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