If a guy wants to got to the effort, tuning the cruise is probably the easiest of all the circuits to tune. You can actually use a measuring device (O2 sensor and guage) to get it pretty close. Try that with the idle and transition circuits. eyes Yes, you still have to make a couple other adjustments too, but the primary main jets, their PVCRs and the power valve are usually all that needs attention if the cruise is all that is being addressed.

There are much, much better street carburetors than the antiquated 3310. But in most street applications, leaning down the cruise and making the other 2 collateral adjustments will result in a much more street friendly carb. The other easy mod that everyone with a 3310 should consider is to change the secondary spring to the combo's preference. That is a very likely source of the OP's 'bog'.

Just my opinion based on my experience.


Master, again and still