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Old 08-29-2013, 03:57 AM   #1
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Carb??

What's a good carb for a 350 engine??
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Old 08-29-2013, 10:03 AM   #2
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What's on it now?

A properly set up 750 cfm Rochester Quadrajet would do it justice,
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Old 08-29-2013, 11:30 AM   #3
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A Holley 500cfm 2 barrel and as a matter of fact...i have one for sale right now! =D

Ehh just go with what navy said. He's pretty much a badass.
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Old 08-29-2013, 02:51 PM   #4
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A Holley 500cfm 2 barrel and as a matter of fact...i have one for sale right now! =D

Ehh just go with what navy said. He's pretty much a badass.
A 500 2 barrel is a little small. It would be of a gas saver, but for performance, at least a 750. If it's pretty stock, 750 is good.
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Old 08-29-2013, 04:45 PM   #5
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A 500 2 barrel is a little small. It would be of a gas saver, but for performance, at least a 750. If it's pretty stock, 750 is good.
Yeah I know lol just being a smartass
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Old 08-29-2013, 04:52 PM   #6
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I'm going from tbi to carb. Just try to see wats good cause I heard holly is good but sucks up to much gas. So I'm just trying to see wats a good one
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Old 08-29-2013, 05:09 PM   #7
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Typically carbs aren't as efficient as the FI setup. Don't really think one brand of carb is going to be different than another in that respect. Most of the fuel use is going to be based on sizing, if its single gas line or double pumper and whether its a 4 barrel / 2 barrel. Also, matching proper size carb to motor potential will help with fuel if going to carb setup. I've seen people get some beast double pumper and plop it in a 305 which is way overkill.
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Old 08-29-2013, 05:42 PM   #8
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What about a double pumper on a 283.30? Lol
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Old 08-29-2013, 05:47 PM   #9
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What about a double pumper on a 283.30? Lol
Just get a six pack setup.
It's 3 2-barrels lol.


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Old 08-29-2013, 05:52 PM   #10
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Nah lol getting rid of the 283 with that 355 out of that c20 I bought gonna put my carb on it and what not. Make the Camaro faster and sound way better lol

Stay on track! Do some research and what navy said. He's ****ing smart man
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Old 08-30-2013, 06:32 PM   #11
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Fuel injection is definitely more efficient than a properly matched and tuned carburetor. Regardless of the brand carb, all things being equal, you're not going to notice a difference in fuel consumption. Im sure there's data from the manufactures that show a difference, but you'll never notice it at the pump. If you really wanna save fuel quit flexing your right calf muscle. I've found that to be the biggest culprit of poor fuel economy. But sometimes you just gotta suck it up and buy some more gas, after all you are driving a Camaro.
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Old 08-30-2013, 06:40 PM   #12
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I'm going from tbi to carb. Just try to see wats good cause I heard holly is good but sucks up to much gas. So I'm just trying to see wats a good one
The beauty of a properly set up 750 cfm quadrajet is that it will never be too much carb, even for a 305.
The way the secondary upper vacuum butterflies and the secondary jet metering pins
those upper butterflies operate means the A/F mixture never gets too rich.
If there's not enough vacuum ( air flow ) to fully open the upper butterflies, the metering pins never get pulled all of the way out of the rear jets.

Quadrajet was / is a very misunderstood, and often misadjusted carb,
and Rochester is the company that made the fist Corvette fuel injection.
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Old 08-31-2013, 02:15 AM   #13
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Sounds good thank u
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Old 09-01-2013, 12:18 AM   #14
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I have to agree with navy 100%. Although I Dont like Rochester performance, they are the best Eco carbs. But if this is a stock 305 then 750 is a waste and will hurt performance and economy ( unless its a Rochester quadrajet) I've build a 333 (bored and stroked 305) and the volumetric efficiency was only 100% and required a 720, which I used a 700 mechanical secondary carb. I would go with a 550 or a 600.

Edited: sorry I thought you said you had a 305 honestly for a stock 350. You won't need more than a 650 tops
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Old 09-01-2013, 11:09 AM   #15
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Id keep that tbi until you start building the motor.
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Old 09-01-2013, 04:51 PM   #16
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Id keep that tbi until you start building the motor.
I think he wants a more power.
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