We really need to know which list # your carbs are, the list number is stamped on the passenger side rear on the center carb and maybe in the same place on the outboards There are a bunch of different lists number carbs, 340, 440, CA clean air carbs, stick shift, automatic carbs and different carb. numbers for each year and trans as well as the newer Holley replacemnet carbs. None of them are the same on the jetting and stock set up Post those numbers up and I will look in the Holley master guide for the original jetting, squirters and so on, most of the carbs where set up lean, especially the outboards carbs. Take the fuel bowls off the outboard carbs. and look at the part number stamp into the metering plates and post those The vacume springs on the outboard carbs. are kind of which ones do you like, a trial and error testing method, I have used the fast (weak ones)ones, they bog and the stock ones(thicker wires), they open slower and don't bog