i just got a 3310-4 and i was testing it out and I cant get the secondary to open like my 3310-2 one thing i seen in my 3310-2 is a brass nipple in the primary side that looks to help with vacuum signal to the secondary diagram. The 3310-4 i have looks to be missing this "but there is s hole there".
is this something they eliminated in the new ver? or did it fall out?
If I was a betting man I would think that there was a design change to shave a buck or two, or a nickel or a dime, off the cost per unit to manufacture. If the -4 is used versus new well that could be different. As mentioned anything could have happened if it is used. Generally however things are not getting designed to make things better these days so if it is new then I go with my original theory.
The nipple will speed up activation. Do you still have the ck ball in the diaphragm can? Positive there are no leaks in the can or mounting gasket to the main body?
Do your self a favor, Remove the check ball. In another post I read it was removed and the secondary responded better without any problem. It may bog, It may not.
Woot I switched the main body and every thing is working as it should! my idle is nice and constant, off idle is crisp, and WOT is opening up the secondaries full with no bog.
The main reason to use the newer carb was my throttle shaft was worn out on the 3310-2 and i got this carb cheep as he didn't need it for his 5.3L lsx
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