Which carburetor to install

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Old Jun 17, 2014 | 07:14 PM
  #1  
jenz's Avatar
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Default Which carburetor to install

I've rebuilt the 327 that was in my 67 camaro. I've installed an Edelbrock Performance 7107 intake manifold. Any recommendations for a good carburetor to use with the Edelbrock? This is not for racing.
 
Old Jun 18, 2014 | 09:37 AM
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It's hard to beat a Q-Jet for dependability or the Edelbrock (which is a Carter AFB design). Either one will be a good choice IMO.
 
Old Jun 18, 2014 | 04:03 PM
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Q-Jet
 
Old Jun 20, 2014 | 07:10 AM
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I myself like the Holley 600. I had one on my 327 and worked great.

Quick question though, the 7107 is for EFI are you sure of that number?
 
Old Jun 20, 2014 | 08:18 AM
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Originally Posted by bruce69camaro
Quick question though, the 7107 is for EFI are you sure of that number?
With that intake manifold, he'll want to use a side draft Weber carb, and have an adapter plate made!
 
Old Jun 22, 2014 | 10:49 AM
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I used a 600cfm Holley on my 327 when I had it and did not have any feeding problems.
 
Old Jun 26, 2014 | 04:13 PM
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Edelbrock 600 or 626 for me!!
 
Old Jul 6, 2014 | 06:42 PM
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These days I think that it's important to *not* over-carb the car.
There's a certain temptation to bolt on a bigger Holley (or whatever).
But what happens is the velocity of the gasoline mist and the air in the intake manifold slows down.
That mixture's momentum keeps putting more mixture into the cylinder even when the piston is working its way up, until the camshaft shuts down the intake valve.
The result of over-carbing is it stumbles and stalls at traffic lights, and the lower end performance is pretty soggy.
I'm using the stock Holley on a 454 Chevy and it's about 700 CFM, and that's really all it needs. Nice performance on the low, middle, top, and illegal RPM's !
I also agree the Q-jet is a nice carb. Take a look at the primary throttle valves. Much smaller openings than the secondaries. Why? Air velocity.
-- thanks,
Dave
 
Old Jul 7, 2014 | 11:59 PM
  #9  
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I had a 327 with a turbo 400 behind it and I used a 600 double pumper. I tried the victor jr manifold but it would fall on its face at idle. I ended up going with a 600 do with the rpm air gap and it was great. Add some headers to let it breath and you will have tons of power.
 
Old Jul 8, 2014 | 04:41 PM
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Originally Posted by davetracer
These days I think that it's important to *not* over-carb the car.
There's a certain temptation to bolt on a bigger Holley (or whatever).
But what happens is the velocity of the gasoline mist and the air in the intake manifold slows down.
That mixture's momentum keeps putting more mixture into the cylinder even when the piston is working its way up, until the camshaft shuts down the intake valve.
The result of over-carbing is it stumbles and stalls at traffic lights, and the lower end performance is pretty soggy.
I'm using the stock Holley on a 454 Chevy and it's about 700 CFM, and that's really all it needs. Nice performance on the low, middle, top, and illegal RPM's !
I also agree the Q-jet is a nice carb. Take a look at the primary throttle valves. Much smaller openings than the secondaries. Why? Air velocity.
-- thanks,
Dave
Dave tells the truth about a carb install. I prefer a Q-Jet over a Holley because of dependability issues. A Q-Jet is about as bullet proof as you can get and a Holley is hit and miss. Sometimes you get a good one and sometimes you don't, they can be finicky. Either way, a 600 CFM is all you need for a small block.
 
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