Finally got a new carburetor

flyfish said

950 part number is up on post 3, the 750 main body is a profom 67100C, this one:

Proform Main Bodies for Holley Carburetors 67100C

Click to expand...

IIRC the Pro Form is a 1.437 Venturi and the above Holley is a 1.600 Venturi. Hope that 950 has a good booster.