Hello,
Can any body tell what the factory jet and metering rods size's is for a 426 HEMI and a Stock 440 would be?

Thanks

Here is some info.

http://speedtalk.com/forum/viewtopic.php?f=1&t=36763


Carter Carburetors

1966 Plymouth/Dodge ~ 426 'Street Hemi'

AFB {4139S; Front Carburetor} and {4140S; Rear Carburetor}
Rated @ 600 CFM's

Throttle Body Sizes ................... 1 7/16" x 1 11/16"
Venturi Sizes ............................ 1.186" x 1.563"

Primary Jets {Front Carb}........... .101"
Secondary Jets {Front Carb} ...... .083" {Left Side} ~ .101" {Right Side}

Primary Jets {Rear Carb} ........... .101" {Left Side} ~ .083" {Right Side}
Secondary Jets {Rear Carb} ....... .101"

Metering Rods .......................... .070" x .047"

Low Speed Jet {Front Carb} ....... #65 {.028"}
Low Speed Jet {Rear Carb} ........ #65 {.028"} Manual Transmission
Low Speed Jet {Rear Carb} ........ #65 {.031"} Automatic Transmission

Power Piston Spring ................... Orange

Note: The Carter AFB's {#4139S and #4140S} were advertised as being rated at 625 CFM's.


Carter Carburetors

1967 Plymouth/Dodge ~ 440/375 HP

AFB {#4326S; Manual} and {#4327S; Automatic}
Rated @ 728 CFM's

Throttle Body Sizes ........... 1 11/16" x 1 11/16"
Venturi Sizes .................... 1.437" x 1.586"
Primary Jets ..................... .098"
Secondary Jets {#4326S} .. .080" Pump Side ~ .065" Opposite Side
Secondary Jets {#4327S} .. .077" Pump Side ~ .065" Opposite Side

Though advertised at 750 CFM's, the calculated rating was at 728 CFM's
for the big Throttle-Bore AFB.

The Carter AFB #9755 {replacement Carburetor}
Primary Jets ................. .113"
Secondary Jets ............. .107"
Metering Rods .............. .071" x .047"

Great... Thanks