If you find the brass stop difficult to find, and you happen to enjoy fishing, a split shot sinker crimped to the wire....

Denny, whereas the Ford system looks better, it makes for a more expensive to manufacture and maintain carburetor because of the extra linkage on the off side of the throttle shaft.

Jon.

Good carburetion is fuelish hot air
The most expensive carburetor is the wrong one you attempt to modify.
If you truly believe "one size fits all," try walking a mile in your spouse's shoes!
The Carburetor Shop