.045 up to 4000 feet 1951-52 Commanders with 6-107A or 6-111 carburetor

no further info available

1949-52 Champions

.055 4000 to 8000 feet elevation 1947-49 Commanders 1950 Commander with BXOV Carburetor

.053 8000 to 12000 feet Stromberg BXOV-26 applications

.051 over 12000 feet Stromberg BXOV-26 applications

1941-47 Champions with Carter WE-532S WE-661S carburetors

Main discharge 28-36 All models with Stromberg BXOV-26 carburetor

no further info available

no further info available

Pump by-pass 63 All models with Stromberg BXOV-26 carburetor

no further info available