RE: [Chrysler300] AFB Carbs

["Rich Barber" <c300@xxxxxxx>]

My observation is that the "rating" of carbs at "X" cfm is relatively new.
The old carbs were not so rated, or at least publicized.  A 413 cubic inch
engine at 5,200 RPM would gulp about 621 cfm at an unlikely 100% volumetric
efficiency.  Thus, a couple of 350 cfm carbs would seem to adequately feed
the engine.  Bolting a higher cfm rated carb onto the engine does not
increase it's free air capacity and probably not work too well at lower
speeds.

I'm willing to learn here from the automotive engineers and specialists.  I
mainly worked with gas turbines and natural gas-fired engines with fuel
injection.

C-300-ly,
Rich Barber
1955 C-300 (498 cfm FAC @ 5,200 RPM)

-----Original Message-----
From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On
Behalf Of Sean Duggan
Sent: Monday, June 04, 2007 10:55 PM
To: chrysler300@xxxxxxxxxxxxxxx
Subject: [Chrysler300] AFB Carbs

Does anyone know what the CFM rating is on the dual quad AFBs. I  
wanted to know for the H carbs, 3258S and 3259S, but I am curious  
about all of them, 2798S, 2799S (300E), 2903S (300F&G), and the 3505S  
(300J&K ram). I've looked all over for information but I can't seem  
to find any.

Thanks,
Sean Duggan
Los Angeles

[img]http://i90.photobucket.com/albums/k265/saduggan/300front.jpg[/img]


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