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Old May 2, 2013 | 10:07 AM
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Carb size ?

I have a 79 150. 460 .060 over. Rv cam stealth intake. Is the 600cfm Edelbrock good enough for this or should it have something bigger on it?
 
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Old May 2, 2013 | 11:05 AM
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It will run it but it's going to be a little bit small for the motor. I'd have something in the 700 or a 750 range on it.
 
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Old May 2, 2013 | 11:30 AM
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Yeah. I kindof thought that with some of my research. Do you think Holley or Edelbrock? I'm somewhat of a novice, but Holley s scare me a bit because of the backfire and power valve deal if I remember correctly
 
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Old May 2, 2013 | 02:18 PM
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mostly the power valves have backfire protection on them now. biggest problem with the holley's is leaking.

Either will work just fine.
 
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Old May 2, 2013 | 05:20 PM
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I have a 600cfm on my 466. I plan to get a 750cfm sometime.
 
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Old May 2, 2013 | 09:22 PM
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Edelbrock it is! Again let me mention that I'm a novice. But what is the difference between vacuum secondaries and mechanical secondaries?
 
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Old May 2, 2013 | 11:10 PM
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Just what it says. One opens the secondaries based on vacuum; the other is mechanical, as it is connected to the throttle linkage.

For your application and most street vehicles, especially heavy vehicles, vacuum is the answer.

More here:

10 Common Carburetor Questions

Holley Performance Products Frequently Asked Questions

Carburetor - Tech & Terminology - Popular Hot Rodding

https://www.ford-trucks.com/forums/1...condaries.html
 
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