In looking at the SOR photos, there is only one photo for two different carburetors. Maybe their photos just show the '73 carburetor?
The California spec '74 carburetor has the provision for the spring, maybe my parts carburetor was one of those?
Here's a view of the set-up on my '71 FJ40 with '76 2F and F intake manifold - '73 bellcrank with custom rod assembled from Toyota parts:
My return spring is off the left edge of the photo.
My goal was to come up with a solution for utilizing an early 2F air cleaner assembly (with the hot air intake) for my '71 FJ40 build. The '71 has a '76 2F with an F intake manifold and carburetor. The larger 2F air cleaner assembly interferes with the cable loop on the stock '71 FJ40 set-up...