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12-06-2008, 04:43 PM
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#1 |
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Watchin the rust grow
 
Join Date: Oct 2008
Location: Western Nebraska
Posts: 950
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Stock CFM?
What is the stock CFM on the 4 barrel carbs in the 79s on the 350s?
What is the lobe on a "RV" Cam too? |
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12-07-2008, 12:37 AM
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#2 |
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Slugish
Join Date: Jan 2005
Location: Earlysville, Va.
Posts: 1,024
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Re: Stock CFM?
Im not an expert but Ithink most of the 350,s during these years came with a 750 cfm quadrajet carb (Rochester)
RV CAMS provide good torque with a duration around 212 - 218 & a lift of .o45 -.o46 range. The main advantage of these cams is torque PULLING POWER ) with a decent increase in horsepower . |
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12-07-2008, 03:02 PM
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#3 |
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Registered User
Join Date: Jun 2008
Location: Moore, OK
Posts: 41
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Re: Stock CFM?
If you are going to get a new carb, you should only need about a 625-650CFM. Slugish is right on about the carb, but that carb came on about everything that GM made. I believe the the 454 is included in this. The Q-jet basically is "tuned" for your application and will only run what is needed CFM wise.
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