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Carb Question

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Old 02-16-2010, 06:42 PM
oldtruknut oldtruknut is offline
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Carb Question

I've got a rebuilt 400 out of a 77 LTD. I plan on using the engine in one of my truck projects. I've traded around and procured an edelbrock intake and i'm thinking of using the edelbrock 600cfm carb. My question is what carb came on the engine to start with? The only information I can find is a small tag that reads Motorcraft D70E-HB. Does anyone know how much it flowed?
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Old 02-16-2010, 07:13 PM
zaaac zaaac is offline
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On the driver's side of the carb towards the front and behind the accelerator rod should be a number for the venturi size.

FORDSIX PERFORMANCE • View topic - A list of Autolite/Motorcraft 2100/2150 carb flow rates.
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Old 02-16-2010, 10:07 PM
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fordeverpower fordeverpower is offline
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most likely a 1.21 or 1.14 351cfm or 300 ish. 2bbl are rated at 3.0 inches of depression vs 1.5 for a 4bbl. So you can NEVER compare the cfm with out converting it.
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