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Who is the Carter carb guru? #907882 01/18/11 07:24 AM 01/18/11 07:24 AM
Joined: Feb 2010 Posts: 18,493 Granite Bay CA Kern Dog OP Striving for excellence
Kern Dog OP Striving for excellence Joined: Feb 2010 Posts: 18,493 Granite Bay CA	Who knows the CFM rating for the muscle era Carter carburetors? I have an AVS from a 71 Chrysler 300 with a 440 and a 727. The FSM tells nothing. I also wondered the ratings of the 68-71 340 and the 67-71 383. Who has the info? Thanks.

Re: Who is the Carter carb guru? [Re: Kern Dog] #907883 01/18/11 08:25 AM 01/18/11 08:25 AM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	see the "AFB QUESTION" thread further down. QuickD100 posted CFM's for the diff venturi sizes which'd very likely be the same for OE type AFB's/AVS's. EDIT those are base plate throttle bore dia's. I just checked my 4131S AFB which is listed for a '66 440 & it's 1&7/16" & 1&9/16" which'd be (750) but I think Carters' published specs are a bit happy Last edited by RapidRobert; 01/18/11 09:19 AM. live every 24 hour block of time like it's your last day on earth

Re: Who is the Carter carb guru? [Re: RapidRobert] #907884 01/18/11 10:47 AM 01/18/11 10:47 AM
Joined: Jan 2003 Posts: 42,714 Spokane Washington ScottSmith_Harms Mr Wizzard
ScottSmith_Harms Mr Wizzard Joined: Jan 2003 Posts: 42,714 Spokane Washington

Re: Who is the Carter carb guru? [Re: RapidRobert] #907885 01/18/11 11:29 AM 01/18/11 11:29 AM
Joined: Jan 2003 Posts: 8,936 Holly/MI D Dean_Kuzluzski master
Dean_Kuzluzski master D Joined: Jan 2003 Posts: 8,936 Holly/MI	IIRC the Carter AFB's were rated at a different specification than Holleys. Different "inches of water". Or so I've heard. R.I.P.- Gary "Coop" Davis 02/09/68-05/13/04

Re: Who is the Carter carb guru? [Re: Kern Dog] #907886 01/18/11 02:57 PM 01/18/11 02:57 PM
Joined: Oct 2003 Posts: 1,183 eganville ont 4 440beep super stock
440beep super stock 4 Joined: Oct 2003 Posts: 1,183 eganville ont	Quote: Who knows the CFM rating for the muscle era Carter carburetors? I have an AVS from a 71 Chrysler 300 with a 440 and a 727. The FSM tells nothing. I also wondered the ratings of the 68-71 340 and the 67-71 383. Who has the info? Thanks. 1971 440 avs 4966 625 cfm lp 4967 750 cfm hp 4568 750 cfm hp Plymouth's gonna getcha! There are 3 things that will live forever, cockroaches, Keith Richards, & slant 6 Dusters 71 gtx 440 4speed air grabber blue on blue with white vinyl roof

Re: Who is the Carter carb guru? [Re: RapidRobert] #907887 01/18/11 03:14 PM 01/18/11 03:14 PM
Joined: Jan 2003 Posts: 6,389 nielsville, minn. Q quickd100 master
quickd100 master Q Joined: Jan 2003 Posts: 6,389 nielsville, minn.	Quote: see the "AFB QUESTION" thread further down. QuickD100 posted CFM's for the diff venturi sizes which'd very likely be the same for OE type AFB's/AVS's. EDIT those are base plate throttle bore dia's. I just checked my 4131S AFB which is listed for a '66 440 & it's 1&7/16" & 1&9/16" which'd be (750) but I think Carters' published specs are a bit happy I posted the venturi diameters for their carbs, the throttle plate diameters are not the same as the venturi diameters, case in point. The 500's and 625's both use 1-7/16 promary throttle plates, the secondaries throttle plates measure 1-11/16 on both. The info comes out of Dave Emanuel's "Super Tuning and Modifying Carter Carburetors". Dave

Re: Who is the Carter carb guru? [Re: quickd100] #907888 01/18/11 05:03 PM 01/18/11 05:03 PM
Joined: Jan 2003 Posts: 25,729 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,729 Rio Linda, CA	Quote: The info comes out of Dave Emanuel's "Super Tuning and Modifying Carter Carburetors". Dave Yeah, but where did HE get the info? The old Mopar Performance Clinic literature had vastly lower numbers than those usually quoted. Who is one to believe? The INTERNET, the MISinformation superhighway

Re: Who is the Carter carb guru? [Re: quickd100] #907889 01/18/11 05:05 PM 01/18/11 05:05 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Dave when I measured my throttle bores & got the 1&7/16/1&9/16 that's what made me think that it was supposed to be the throttle bores & not the venturi's. I stand corrected live every 24 hour block of time like it's your last day on earth

Re: Who is the Carter carb guru? [Re: RapidRobert] #907890 01/18/11 07:53 PM 01/18/11 07:53 PM
Joined: Feb 2003 Posts: 10,198 Someplace you aren't S SomeCarGuy I Live Here
SomeCarGuy I Live Here S Joined: Feb 2003 Posts: 10,198 Someplace you aren't	IIRC the quick way to know the size is if the plates are all the same size, it is a small carb, if they are different then it is the bigger one.

Re: Who is the Carter carb guru? [Re: SomeCarGuy] #907891 01/18/11 08:40 PM 01/18/11 08:40 PM
Joined: Feb 2005 Posts: 4,310 Prospect, PA BSB67 master
BSB67 master Joined: Feb 2005 Posts: 4,310 Prospect, PA	Quote: IIRC the quick way to know the size is if the plates are all the same size, it is a small carb, if they are different then it is the bigger one. I don't think this statement accurately captures the different sizes. The large AFB will have 1 11/16" primary and secondary throttle plates. Quote: Dave when I measured my throttle bores & got the 1&7/16/1&9/16 that's what made me think that it was supposed to be the throttle bores & not the venturi's. I stand corrected 1 7/16 & 1/9/16 is a small AFB. I don't think there was anything from 66 that had the large AFB.

Re: Who is the Carter carb guru? [Re: John_Kunkel] #907892 01/18/11 09:32 PM 01/18/11 09:32 PM
Joined: Jul 2003 Posts: 6,167 Maryland GO_Fish master
GO_Fish master Joined: Jul 2003 Posts: 6,167 Maryland	Quote: Quote: The info comes out of Dave Emanuel's "Super Tuning and Modifying Carter Carburetors". Dave Yeah, but where did HE get the info? The old Mopar Performance Clinic literature had vastly lower numbers than those usually quoted. Who is one to believe? The old Direct Connection (?)clinic literature says something like 650 for the large AVS (440 HP), and 550(?) for the smaller AVS (340, 383 & non-hp 440). I lost the old article link in a computer crash. Scott B. "I'm a self-made man... I started with nothing, and I still have most of it!" 68 360 rusty B'cuda 'vert (GO Fish)13.59@ 98.72 mph 69 340 GTS stock 14.18@ 95.60 mph 01 5.9L Ram 1500 Quad Cab 4x4 01 3.5L 300M 16.23@ 86.97 mph

Re: Who is the Carter carb guru? [Re: BSB67] #907893 01/18/11 09:42 PM 01/18/11 09:42 PM
Joined: Jan 2003 Posts: 6,389 nielsville, minn. Q quickd100 master
quickd100 master Q Joined: Jan 2003 Posts: 6,389 nielsville, minn.	I realize that carter and holley rate their carbs differently but how else do you define their sizes? I just use the companies listed sizes and call it good.Dave

Re: Who is the Carter carb guru? [Re: quickd100] #907894 01/18/11 09:57 PM 01/18/11 09:57 PM
Joined: Feb 2003 Posts: 10,198 Someplace you aren't S SomeCarGuy I Live Here
SomeCarGuy I Live Here S Joined: Feb 2003 Posts: 10,198 Someplace you aren't	Are we all talking about the same thing? AVS vs. AFB

Re: Who is the Carter carb guru? [Re: SomeCarGuy] #907895 01/18/11 11:21 PM 01/18/11 11:21 PM
Joined: Feb 2010 Posts: 18,493 Granite Bay CA Kern Dog OP Striving for excellence
Kern Dog OP Striving for excellence Joined: Feb 2010 Posts: 18,493 Granite Bay CA	More specifically...... I have the original carburetor from a 71 Chrysler 300, a Carter AVS, and I wanted to know if anyone had the CFM size. I guess with an apples to oranges definition of flow rate, it must be impossible to tell.

Re: Who is the Carter carb guru? [Re: SomeCarGuy] #907896 01/18/11 11:33 PM 01/18/11 11:33 PM
Joined: Oct 2003 Posts: 1,183 eganville ont 4 440beep super stock
440beep super stock 4 Joined: Oct 2003 Posts: 1,183 eganville ont	on a carter avs 67-71 except for the 1971 4966 which is 625cfm all 440 hp 67 -71 four barrels are the same size. from 1967 to 1970 carter avs 383 and 340s are 625 cfm 2 are small and 2are big 67 =71 440 are 4 big ones - 750 cfm Plymouth's gonna getcha! There are 3 things that will live forever, cockroaches, Keith Richards, & slant 6 Dusters 71 gtx 440 4speed air grabber blue on blue with white vinyl roof

Re: Who is the Carter carb guru? [Re: 440beep] #907897 01/19/11 12:36 AM 01/19/11 12:36 AM
Joined: Jan 2003 Posts: 9,436 Blair County,PA 62maxwgn master
62maxwgn master Joined: Jan 2003 Posts: 9,436 Blair County,PA	Quote: on a carter avs 67-71 except for the 1971 4966 which is 625cfm all 440 hp 67 -71 four barrels are the same size. from 1967 to 1970 carter avs 383 and 340s are 625 cfm 2 are small and 2are big 67 =71 440 are 4 big ones - 750 cfm No AVS in 67.

Re: Who is the Carter carb guru? [Re: 62maxwgn] #907898 01/19/11 12:46 AM 01/19/11 12:46 AM
Joined: Oct 2003 Posts: 1,183 eganville ont 4 440beep super stock
440beep super stock 4 Joined: Oct 2003 Posts: 1,183 eganville ont	Quote: Quote: on a carter avs 67-71 except for the 1971 4966 which is 625cfm all 440 hp 67 -71 four barrels are the same size. from 1967 to 1970 carter avs 383 and 340s are 625 cfm 2 are small and 2are big 67 =71 440 are 4 big ones - 750 cfm No AVS in 67. 1968 oops Plymouth's gonna getcha! There are 3 things that will live forever, cockroaches, Keith Richards, & slant 6 Dusters 71 gtx 440 4speed air grabber blue on blue with white vinyl roof

Re: Who is the Carter carb guru? [Re: 440beep] #907899 01/19/11 01:40 AM 01/19/11 01:40 AM
Joined: Mar 2005 Posts: 1,630 North Central Florida E eightlitermopar top fuel
eightlitermopar top fuel E Joined: Mar 2005 Posts: 1,630 North Central Florida	Quote: Quote: Quote: on a carter avs 67-71 except for the 1971 4966 which is 625cfm all 440 hp 67 -71 four barrels are the same size. from 1967 to 1970 carter avs 383 and 340s are 625 cfm 2 are small and 2are big 67 =71 440 are 4 big ones - 750 cfm No AVS in 67. 1968 oops THREAD HIJACK!!! So I have a a CARTER AVS carb 4968 S from a 1970 or 1971 440...So this is a 750? I always thought it was a 625? just to clarify.... eight Mopar or no car

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