460 New Carb
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Cargo Master
Joined: Nov 2010
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460 New Carb
I've went ahead and searched and didn't find quite the answer that I am looking for. I'm presently running a stock 4180 Ford Carb. I am looking to buy a brand new carb of some form, or even a rebuilt one. I'd prefer Holley, that is built for performance and has better ability to make the changes instead of this emissions carb I am running. I figure instead of ******* around with this carb I may as well bite the bullet and get a good one.
So what would some suggestions be? I'd like to get performance out of it but not horrible mpgs. If i could get 10 I would be happy. I plan to install a double roller t chain, dual exhaust for now. Anyway please throw up some suggestions I am getting ready to submit a purchase order here shortly.
So what would some suggestions be? I'd like to get performance out of it but not horrible mpgs. If i could get 10 I would be happy. I plan to install a double roller t chain, dual exhaust for now. Anyway please throw up some suggestions I am getting ready to submit a purchase order here shortly.
Senior User
Joined: Jul 2008
Posts: 108
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From: El Cajon,San Diego, CA
Well if you're thinkin about offroadin' it, there is the Truck Avenger series from Holley. They have both 470cfm and 670cfm flow options. Both are just under 400$. Holley's website has a pretty good tool for deciding what kind of carburetor you want, so feel free to swing over there too.
Holley Interactive Carburetor Selector
Holley Interactive Carburetor Selector
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Cargo Master
Joined: Nov 2010
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Yeah it will be overroadded on occasion. I just don't really want to jack around with this 4180. It just seems way to complicated over an aftermarket version. I just don't know if I want 600,650,or 700. I figure 670 is a pretty good mix. Appreciate the link, I am after power with this beast.
Senior User
Joined: Jul 2008
Posts: 108
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From: El Cajon,San Diego, CA
CFM Calculator - SummitRacing.com = another link to help with choosing CFM values based on your engine.
But the vacuum lines shouldn't be too bad. Any lines that don't have connections on the carb are probably generally unnecessary, so i'd say plug the lines. Don't quote me on that though, i'm no vacuum expert
But the vacuum lines shouldn't be too bad. Any lines that don't have connections on the carb are probably generally unnecessary, so i'd say plug the lines. Don't quote me on that though, i'm no vacuum expert
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 39
From: EXTREME southwest CT
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Cargo Master
Joined: Nov 2010
Posts: 3,244
Likes: 40
Would I run into any vaccumn issues by going to another carb, if so how would I go about rectifying this? I have even looked at sending my carb to a rebuild guy such as pony. They claim to take all the standard ford problems out of these. The issue still resides in that having an older rig and paying $400 dollars for a rebuild every time is going to be a stupid choice. I won't have the tuning ability once it comes back anyway, so its basically just outsourcing my mechanicing which I bought the truck for the purpose of not doing.
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pedant
Joined: Jan 2008
Posts: 23,576
Likes: 39
From: EXTREME southwest CT
I didn't have any problems with vacuum ports.
I had to eliminate the bowl vent plumbing back to the charcoal canisters.
Swap in my old Ford 7.5V choke element for the 12V one that came with it.
Cut the metal fuel line back and add an inline fuel filter.
Move the PCV to the back of the base flange.
Adjust the idle mixture.
What "tuning ability" are you looking for???
How many times do you intend to change something in the bottom end of your engine that will make a difference in carburetion?
Once the idle mixture screw plugs are out the 4180 is simple to adjust.
It meters fuel surprisingly well and was designed and calibrated specifically for your engine.
I had to eliminate the bowl vent plumbing back to the charcoal canisters.
Swap in my old Ford 7.5V choke element for the 12V one that came with it.
Cut the metal fuel line back and add an inline fuel filter.
Move the PCV to the back of the base flange.
Adjust the idle mixture.
What "tuning ability" are you looking for???
How many times do you intend to change something in the bottom end of your engine that will make a difference in carburetion?
Once the idle mixture screw plugs are out the 4180 is simple to adjust.
It meters fuel surprisingly well and was designed and calibrated specifically for your engine.
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Cargo Master
Joined: Nov 2010
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To get the plugs out, what exactly do I do? From what I gather they are underneath the carb, and I just pull the carb and cut the housing around the plug. Then I pull out the plug and tune with an alllen wrench?
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