Anyone have experience with a 4bbl 450 CFM Holley Economaster Carb...

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Small cube V8, slant 6, or a dual quad application. What is it? A 4160 series? (with the transfer tube.)
 
Brooks James said:
Holley 7455
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Wow! That's a screwy carb. What do you think you are going to use it on? May be resell it to the guy on here that wants to get 25 mpg out of his 340. Or make an adapter for your lawn mower.

:BangHead: :BangHead: :rofl:
 
It's part of my collection for cross country. Gas sipping carb, Streetmaster intake, 2.94 gears, taller tires, MSD 8680 dash Adjustable timing, ram air, etc
 
toolmanmike said:
Wow! That's a screwy carb. What do you think you are going to use it on? May be resell it to the guy on here that wants to get 25 mpg out of his 340. Or make an adapter for your lawn mower.

:BangHead: :BangHead: :rofl:
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There's plenty of em on fleabag cheap
 
A friend of mine had a late 70's Chevy Crewcab 3/4 ton pickup with a 454. He got 9 or 10 miles per gallon. He thought he would be thrifty. He built a 283 with a mileage cam and one of those 450 spreadbores. Guess what-10 mpg and a gutless pig!
 
If You plan on just getting around & econo cruising, it will do just that, just don't expect much more from it & You're good.
 
I think it depends on what it's on. Like on a slant 6 for example, it might work pretty good. I have a very complete one myself and I'm going to put a kit in it one of these days. Holley made several different Economaster carburetors. One barrel, two barrel and four barrel. There was a one barrel in the for sale section recently.
 
replicaracer43 said:
Just use a thermoquad, better all around carburetor anyway. And cheap
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Yeah and I believe they have smaller primaries than the Economaster, too. But then the economy is up to your right foot. lol
 
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