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Old 10-11-2005, 04:54 PM
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cfm size for 360 dodge

HI guys i am posting this for a freind of mine he just restored a 78 dodge little red express truck he decided to buy a new carb for it and the speed shop spld him a 570 holley vac secondary now the stock carb that came of the truck was a 850 cfm acording to the specs of this 360 it came with factory hi lift cam 850 cfm carb and better heads so called police edition any ways our question is do think a 570 cfm carb is the wright size i feel at least a 650 but i am not up on dodges so i could be wrong any help on this is welcome thanks joe

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Old 10-11-2005, 06:25 PM
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A 650 to 750 vac. secondary should work fine.
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Old 10-11-2005, 07:55 PM
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Found this little helper on the web...always helped me.


Determining the size carburetor for your engine

Use the following formula:

Engine Size (CID) x Maximum RPM / 3456 = CFM @ 100% VE
Ex: 350 CID x 6000 RPM = 2,100,000 / 3456 = 608 CFM Carb.
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