460 cfm question please =)
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Elder User
Joined: Apr 2002
Posts: 533
Likes: 7
From: Texas
460 cfm question please =)
Hello every one.
I just got a new well all most new 79 f150 with a 460.
I was climbing around in the engine and saw the carb is a Edelbrock 750CFM 4bbl.
I saw "trucks" awhile back when they made Das bronco and they said you don't really need any thing over 650 for a bone stock 460.
Well I have a another carb siting in a box under my bed and was wondering if I should try it out. What do yall think about this? should I give it a try or would it not be worth my while?? Please let me know what you think
I just got a new well all most new 79 f150 with a 460.
I was climbing around in the engine and saw the carb is a Edelbrock 750CFM 4bbl.
I saw "trucks" awhile back when they made Das bronco and they said you don't really need any thing over 650 for a bone stock 460.
Well I have a another carb siting in a box under my bed and was wondering if I should try it out. What do yall think about this? should I give it a try or would it not be worth my while?? Please let me know what you think
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Elder User
Joined: Apr 2002
Posts: 533
Likes: 7
From: Texas
Cool thanks for the reply Bear, oh also I forgot to ask this but what about a aftermarket manifold? would I see any improvements other then losing that 2 ton Iron manifold?
If so whats the best and maybe cheapest brand you know of the only one I was able to find was a Edelbrock.
If so whats the best and maybe cheapest brand you know of the only one I was able to find was a Edelbrock.
Cargo Master
Joined: Apr 2001
Posts: 2,364
Likes: 3
From: Eustis FL
For a 460 cubic inch motor,
a 750 cfm carb is good for up to 5634 rpm.
A 650 cfm carb is good for 4883 rpm.
A 600 cfm carb is good for 4507 rpm.
Basically, even on the highway cruising, 600 cfm is more than adequate. It is during hard acceleration over the above rpm's that power will drop off, so depending on what you want to do with your driving, choose your carb. A 750 cfm is just fine on a 460 though; I doubt you will gain much, if anything, going smaller. I have a 600 cfm Edelbrock on my 460, and no problems. Drives better than stock 4350, and easy to tune. Just had to get rid of the stumble that the 4350 caused when stopping, and price was right on the 600 from ebay! lol
a 750 cfm carb is good for up to 5634 rpm.
A 650 cfm carb is good for 4883 rpm.
A 600 cfm carb is good for 4507 rpm.
Basically, even on the highway cruising, 600 cfm is more than adequate. It is during hard acceleration over the above rpm's that power will drop off, so depending on what you want to do with your driving, choose your carb. A 750 cfm is just fine on a 460 though; I doubt you will gain much, if anything, going smaller. I have a 600 cfm Edelbrock on my 460, and no problems. Drives better than stock 4350, and easy to tune. Just had to get rid of the stumble that the 4350 caused when stopping, and price was right on the 600 from ebay! lol
Post Fiend
Joined: Mar 2004
Posts: 6,056
Likes: 8
From: Union, Washington
For a 460 cubic inch motor,
a 750 cfm carb is good for up to 5634 rpm.
A 650 cfm carb is good for 4883 rpm.
A 600 cfm carb is good for 4507 rpm.
Basically, even on the highway cruising, 600 cfm is more than adequate. It is during hard acceleration over the above rpm's that power will drop off, so depending on what you want to do with your driving, choose your carb. A 750 cfm is just fine on a 460 though; I doubt you will gain much, if anything, going smaller. I have a 600 cfm Edelbrock on my 460, and no problems. Drives better than stock 4350, and easy to tune. Just had to get rid of the stumble that the 4350 caused when stopping, and price was right on the 600 from ebay! lol
a 750 cfm carb is good for up to 5634 rpm.
A 650 cfm carb is good for 4883 rpm.
A 600 cfm carb is good for 4507 rpm.
Basically, even on the highway cruising, 600 cfm is more than adequate. It is during hard acceleration over the above rpm's that power will drop off, so depending on what you want to do with your driving, choose your carb. A 750 cfm is just fine on a 460 though; I doubt you will gain much, if anything, going smaller. I have a 600 cfm Edelbrock on my 460, and no problems. Drives better than stock 4350, and easy to tune. Just had to get rid of the stumble that the 4350 caused when stopping, and price was right on the 600 from ebay! lol
Thread Starter
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Elder User
Joined: Apr 2002
Posts: 533
Likes: 7
From: Texas
Thank you guys for your info.
I'm trading a guy this carb for a 600 holley..
If it doesn't do well i'll have to pull that old Brock out of the box its been sleeping in for the last 4 years =)
Hey guys I posted a thread called valve chatter on the smallblock forum. If you have some time think maybe you could give me your opinion on it? thanks =)
I'm trading a guy this carb for a 600 holley..
If it doesn't do well i'll have to pull that old Brock out of the box its been sleeping in for the last 4 years =)
Hey guys I posted a thread called valve chatter on the smallblock forum. If you have some time think maybe you could give me your opinion on it? thanks =)
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Senior User
Joined: Jan 2008
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if i was gonnago with aftermarket intake go with the weiand stealth its a great dual plane and would work well with future mods u might do
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Senior User
Joined: Jan 2008
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i had a stock 302 with factory 2 barrel in a 73 maverick once that i replace the intake with a weiand dual plane and holley carb and it changed the idle and throttle response alot u wouldnt belive the differnece in how it sounded just by doing that
Senior User
Joined: Jan 2008
Posts: 301
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gas has to travel up hill to reach the heads of the engine so replacing the old iron witha higher rise intake runners makes sense performs better and wil not hurt gas mileage with the right carb this is my 2 cents worth
Post Fiend
Joined: Mar 2004
Posts: 6,056
Likes: 8
From: Union, Washington
What????? The gas better be vaporized by the time it is in the intake and as long as the engine has vacuum from the cylinder the air/fuel vapor mixture doesn't really care about up and down. You need to go to school an engine dynamics and physics.
Post Fiend
Joined: Mar 2004
Posts: 6,056
Likes: 8
From: Union, Washington
