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Carter AVS CFM Rating? #2865076
12/26/20 09:34 PM
12/26/20 09:34 PM
Joined: Jan 2003
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New York
rarefish Offline OP
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New York
Does anyone know what the CFM rating was on the factory installed 1968-69 440-4 AVS carbs?

Re: Carter AVS CFM Rating? [Re: rarefish] #2865121
12/27/20 01:12 AM
12/27/20 01:12 AM
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Sobieski Wi
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bee1971 Offline
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Sobieski Wi
All 440 HP Motors where 750cfm - High Performance or HP Engines 1968 - 1971
Model # is on front passenger side base plate if it doesnt have a tag

The smaller Carter AVS was rated at 630cfm - 383 and 340 Engines and Non HP or Low Performance 440 Motors

Easy way to tell a 750cfm Carter AVS if its off the car , flip it over , all four throttle plates are the same size 1 11/16"



Last edited by bee1971; 12/27/20 01:21 AM.

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Re: Carter AVS CFM Rating? [Re: bee1971] #2865188
12/27/20 11:08 AM
12/27/20 11:08 AM
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New York
rarefish Offline OP
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Thanks....

Re: Carter AVS CFM Rating? [Re: bee1971] #2865365
12/27/20 05:51 PM
12/27/20 05:51 PM
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Rio Linda, CA
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Originally Posted by bee1971
All 440 HP Motors where 750cfm - High Performance or HP Engines 1968 - 1971
Model # is on front passenger side base plate if it doesnt have a tag

The smaller Carter AVS was rated at 630cfm - 383 and 340 Engines and Non HP or Low Performance 440 Motors

Easy way to tell a 750cfm Carter AVS if its off the car , flip it over , all four throttle plates are the same size 1 11/16"




Those numbers are often quoted but never verified. There's more to CFM airflow than just throttle plate diameter.


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