That progressive linkage sounds like a good idea to me. Interesting that you can/would spread out the accelerator pump fuel squirts over a longer throttle position.
Like
Stage 1 2bbl forward carb primary open
Stage 2 6bbl forward carb secondary and rear carb primary open
Stage 3 8bbl all guns open!
TOO COOL


Common sense, the least common of all the senses.
Mom.

For fear of ridicule, society stifles creativity.
Ricky Valdes