Paul Holmgren wrote: > Rich Barber wrote: > > >>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 > YES, I was lead to believe that the original methods of rating them was > Different, at least by the Chrysler labs, More like Pounds per rather > then cubic feet I believe I have heard that the AFB's are rated at 500CFM, the WCFB's were rated at 385CFM each -- Paul Holmgren 2 57 300-C's in Indy Hoosier Corps L#6 To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: mailto:Chrysler300-digest@xxxxxxxxxxxxxxx mailto:Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/