Default What is the best 4bbl carb for oddfire 225 V6? 

Old 07-13-2012, 02:06 AM   #1
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I am getting ready to fire up the fresh motor and have an aluminum 4 barrel intake installed, but no carb yet. What do you guys recommend for a good carb?

 

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Default Re: What is the best 4bbl carb for oddfire 225 V6? 

Old 07-13-2012, 12:55 PM   #2
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390 CFM Vacuum Secondary
Holley Performance Products 390 CFM Four Barrel Street Carburetor*0-8007

or you might try a 470 Truck Avenger
Holley Performance Products 470 CFM Four Barrel Carburetor*0-90470
but that may need some serious tuning to get to work on a 225. They are pretty popular for 360's even...

 

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Default Re: What is the best 4bbl carb for oddfire 225 V6? 

Old 07-13-2012, 03:21 PM   #3
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For a V6 like that I'd put serious thought into bolting up an adapter and running a 2bbl Motorcraft 2100/2150. Most 4bbl carbs are too big for an engine that size.

 

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Default Re: What is the best 4bbl carb for oddfire 225 V6? 

Old 07-13-2012, 04:13 PM   #4
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Default Re: What is the best 4bbl carb for oddfire 225 V6? 

Old 07-13-2012, 04:15 PM   #5
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I'm with derf also.

 

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Default Re: What is the best 4bbl carb for oddfire 225 V6? 

Old 07-13-2012, 04:43 PM   #6
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Quote:
Originally Posted by Incommando View Post
390 CFM Vacuum Secondary
Holley Performance Products 390 CFM Four Barrel Street Carburetor*0-8007

or you might try a 470 Truck Avenger
Holley Performance Products 470 CFM Four Barrel Carburetor*0-90470
but that may need some serious tuning to get to work on a 225. They are pretty popular for 360's even...
I've got a Holley 390 CFM 4 barrel on mine with the Offy manifold and it runs perfect. In fact that 390 CFM carb was built for the V-6 engines back in the day..........The Holley is one of the easiest carbs to work on and very easy to Jet..............
Put a good aftermarket aluminum manifold on it........ton's of torque!
Buy it you'll love it..............

 

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Default Re: What is the best 4bbl carb for oddfire 225 V6? 

Old 07-13-2012, 06:15 PM   #7
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IIRC the 2100 is from 300 to 450 CFMs depending on the original app so the 390 is isn't out of the ballpark. But if you are off-roading the 2100 is one of the best ever while Holleys in general have a rep for needing some work to excel off-road.

 

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Default Re: What is the best 4bbl carb for oddfire 225 V6? 

Old 07-13-2012, 08:09 PM   #8
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Quote:
Originally Posted by Incommando View Post
IIRC the 2100 is from 300 to 450 CFMs depending on the original app so the 390 is isn't out of the ballpark. But if you are off-roading the 2100 is one of the best ever while Holleys in general have a rep for needing some work to excel off-road.
Incom:

No doubt the MC 2100 is a good little 2 barrel Carb. with a good reputation.
On the other hand the little Holly 390 has done me a great job both at sea level & altitude. If there are some mods that your aware of please pass them on I would be interested. Also, If I already had a 4 barrel manifold personally I would probably stay away from the adapter. Just my Opinion.

 

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Default Re: What is the best 4bbl carb for oddfire 225 V6? 

Old 07-13-2012, 09:38 PM   #9
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I have never had any luck with a 4 barrel on a 225 built for a jeep
maybe the marine version but the tourque is to low on the dauntless in the jeep version
put a big 2 barrel on it. the motorcraft one is great
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Default Re: What is the best 4bbl carb for oddfire 225 V6? 

Old 07-14-2012, 09:45 AM   #10
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Quote:
Originally Posted by tarry99 View Post
Incom:

No doubt the MC 2100 is a good little 2 barrel Carb. with a good reputation.
On the other hand the little Holly 390 has done me a great job both at sea level & altitude. If there are some mods that your aware of please pass them on I would be interested. Also, If I already had a 4 barrel manifold personally I would probably stay away from the adapter. Just my Opinion.
I wasn't trashing on the Holley just noting that it can be made better, especially for serious off-camber stuff and climbing/descending angles. I swapped an intake and a 390 onto a 231-powered Skyhawk and it really helped. As you know the 231 is the direct descendant of the 225. But that is a completely different app and intended usage.

There are dozens of sites with tips for improving a Holley for off-road. The 390 usually isn't mentioned but the same principles should apply. Just one example:

Offroad tricks for Holley 4 barrel carbs | ClassicBroncos.com Tech Articles

The mod most often mentioned is the vent tube.

My favorite 4-v ever for off-road is a Q-jet. They don't call them hillbilly fuel injection for nothing. The downside is that you would need an adapter for your intake and I doubt there is one small enough for for a 225.

 

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