400 Carb

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Jul 23, 2003 | 12:56 AM

Ford_Trucker400

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400 Carb

I recently bough a 75 F-100 with a 400 motor. The Carborator needs to be replaced. I plan on installing a 4bbl intake and carb but Im unsure of which to buy????

Jul 23, 2003 | 03:24 AM

Torque1st

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400 Carb

Hello, welcome to FTE. Your topic has been moved.

Jul 23, 2003 | 10:13 AM

Ford_Six

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From: The Big, Oregon

400 Carb

I believe the only intake available for that truck is an Edelbrock Performer. It works very well, I know somebody who has one on their truck.

Jul 23, 2003 | 11:11 AM

bubbaf250

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From: (near) Denver USA

400 Carb

Edelbrock makes two different 4V intake manifolds for the M-block (351M/400) engines. The Performer #2171 non-EGR manifold and the #3771 EGR manifold. Only the #3771 manifold is emissions-legal (with a CARB EO#).

Weiand (owned by Holley) also makes a 4V intake manifold for the M-block. The Action Plus #8010 is a non-EGR manifold.

All these manifolds are aluminum, and they all have provision for Thermactor AIR (smog pump), and an exhaust crossover with the automatic choke heat exchanger port.

Personally, I don't like the Edelbrock #2171 non-EGR manifold because the carb mounting flange is so flimsy, you have to use an extra spacer just to get the carb to seal.