Small block projection on 460?
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Cargo Master
Joined: Nov 2010
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Small block projection on 460?
I found a deal on a used projection setup like $300 bucks including everything, it works too.
b?
Anyway, its for a small block chev putting out 670 cfm. What is stopping me from utilizing it on my Ford 460 with a carb?
b?
Anyway, its for a small block chev putting out 670 cfm. What is stopping me from utilizing it on my Ford 460 with a carb?
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With a cam and headers, the 460 could easily overwhelm the capabilities of that setup.
Also, you may need to upgrade your alternator output.
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Cargo Master
Joined: Nov 2010
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Interesting. If I didn't just buy a brand new carb I may look at this option. Any ideas on if I will notice an increase in anything, conversely a decrease?
My understanding is maybe some mpgs like 2 or 3, better driveability, cons are more expensive, more tuning and harder to dial in than a carb.
My understanding is maybe some mpgs like 2 or 3, better driveability, cons are more expensive, more tuning and harder to dial in than a carb.
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Cargo Master
Joined: Nov 2010
Posts: 3,244
Likes: 40
Interesting. If I didn't just buy a brand new carb I may look at this option. Any ideas on if I will notice an increase in anything, conversely a decrease?
My understanding is maybe some mpgs like 2 or 3, better driveability, cons are more expensive, more tuning and harder to dial in than a carb.
My understanding is maybe some mpgs like 2 or 3, better driveability, cons are more expensive, more tuning and harder to dial in than a carb.
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Joined: Sep 2009
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Interesting. If I didn't just buy a brand new carb I may look at this option. Any ideas on if I will notice an increase in anything, conversely a decrease?
My understanding is maybe some mpgs like 2 or 3, better driveability, cons are more expensive, more tuning and harder to dial in than a carb.
My understanding is maybe some mpgs like 2 or 3, better driveability, cons are more expensive, more tuning and harder to dial in than a carb.
I don't think you'll really see a decrease anywhere, especially in a stock application.
I'd expect better HP/TQ, 1-2 mpg (especially with a non OD transmission), and much easier starts, smoother idle, better compensation for altitude.
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From: Virginia
This may the system where you tune it small screwdriver adjustments on the side of the brain box. I think they did have a oxygen sensor option on some of them though.
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Posting Guru
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That could be Franklin I guess I just took it as a given that it would have an O2 because all of the projection systems I have ever seen have had the O2 but I guess those might be a newer style.
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Cargo Master
Joined: Nov 2010
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I notice that its a 2 barrel setup so for an additional expense may be finding a 2barrel manifold that will bolt up right? Since its for a 2bbl chev that may really complicate things I think. I am curious as to if the fuel pumps I run stock can power this? Also if I get it and it doesn't work I'd assume that holley has lots of parts for a reasonable price?
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I notice that its a 2 barrel setup so for an additional expense may be finding a 2barrel manifold that will bolt up right? Since its for a 2bbl chev that may really complicate things I think. I am curious as to if the fuel pumps I run stock can power this? Also if I get it and it doesn't work I'd assume that holley has lots of parts for a reasonable price?
They do sell flanges that let you install a 2 barrel carb on a 4 barrel manifold.
Look up Mr. Gasket 1933 as an example.
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Cargo Master
Joined: Nov 2010
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Yeah I just called the guy he doesn't have it. So I've been looking at the holley commander 950 kits. Summit only has a 650 cfm or 900 and don't know what to get. I'd rather not over cfm it even if I do mod the motor. It would kill any expected gains in mpgs and may even reduce them.
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From: New Lexington, Ohio
I would say the 900. I believe 460's came stock with 750 or 800 cfm carbs, maybe bigger, I can't remember. But either way, I think 650 cfm would be awful lean on a 460. I'm glad I got factory efi so I don't have to guess and then mess with tuning it, although the projection would probably run a little better...
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From: Virginia
460's did not come with a large carb. I am not sure what size it was, but I am pretty sure it's not over 650cfm. You have to remember these are trucks, not fire-breathing race engines. A low rpm truck engine does not need a large carb to do it's intended job.