Simple question on 400
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Fleet Mechanic
Joined: Feb 2015
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From: southwest missouri
Simple question on 400
OK I have seen articles about the 400 and I read about 2v heads and 4v heads. I always thought that one was with the two barrel carb but now I don't know. Could someone enlighten me please. I have a 400 in my 55 f-100 with the two barrel. Thanks
Hotshot
Joined: May 2003
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From: south louisiana
Or so everyone thinks. I saw a 4V 400 in the 70's sitting in a junkyard in east Texas. To the OP, the "V" stands for Venturi, not valve. That's where the confusion comes from today
Lead Driver
Joined: Nov 2000
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From: Albuquerque
The 351C heads are either 2v or 4v. 400 never came with 4 barrel carb in US to my knowledge. 351C 4v manifold will not work on a 400 with 2v heads. Actually neither will the 351 2v manifold without adapters. baddad "may" have been looking at a Cleveland. They look very similar to a 351m/400.
Hotshot
Joined: May 2003
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From: south louisiana
The 351C heads are either 2v or 4v. 400 never came with 4 barrel carb in US to my knowledge. 351C 4v manifold will not work on a 400 with 2v heads. Actually neither will the 351 2v manifold without adapters. baddad "may" have been looking at a Cleveland. They look very similar to a 351m/400.
Lead Driver
Joined: Nov 2000
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From: Albuquerque
When I see Big foot in person and get to poke him and maybe have a conversation I'll become a believer.
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Correct, the spacer plates can be ported to adapt a variety of 2V & 4V configurations.
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