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Old Jul 31, 2008 | 12:30 PM
  #16  
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jason1113
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Carb

At least a 850cfm, ok I will keep that in mind I found out however that my compression ration is 9:1.Do you have a 850cfm on your motor?
 
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Old Aug 2, 2008 | 12:22 AM
  #17  
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Troy Bredthauer
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From: Pinedale Wyoming
an 850 on a stock 460 is a good choice, if ignition and cam timing have been altered. For any kind of modified 460, an 850 should be considerd a minimum cfm
 
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Old Sep 26, 2010 | 12:45 AM
  #18  
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6863m
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I did the search and am a little confused with what I have. I bought a used 1986 460 from a guy who took it out of a 1986 F-250. The carburator is a Carter 9605S and I think it is manual choke. In reading this thread it would seem it is not the carb for this engine.. I am putting it in a 1973 F-250 and smog is not an issue. And i am buying a new aluminum intake manifold. So the question is will it work and can it be rebuilt or should I just go to the Edlebrock 750 electric choke and be done with it.
 
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Old Sep 26, 2010 | 01:36 AM
  #19  
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Handegard
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Originally Posted by 6863m
I did the search and am a little confused with what I have. I bought a used 1986 460 from a guy who took it out of a 1986 F-250. The carburator is a Carter 9605S and I think it is manual choke. In reading this thread it would seem it is not the carb for this engine.. I am putting it in a 1973 F-250 and smog is not an issue. And i am buying a new aluminum intake manifold. So the question is will it work and can it be rebuilt or should I just go to the Edlebrock 750 electric choke and be done with it.
The carb will work of course. How well....? I don't know much about Carters, I googled it and it sounds like a 600cfm. Others may disagree, but I think 600cfm is about right.

I had my stock Holley (which I have read to be either 500 or 530cfm, not sure) and I then swapped it out for a 600cfm Edlebrock. I then had the Holley rebuilt and reinstalled, and never noticed a difference. Until I recently decided to show off my new 460 for a friend, and went "wait, I swear it revved quicker before" I remember the 600 having alot more pep above 3k rpm (I briefly saw 4500rpm once or twice), but they both seemed to work good for towing. If I put a stock 460 in my new project truck, it'll get a 670cfm Holley. My '85 is getting a cam and headers soon, so I'll have to defer to others on how big to go then...
 
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