Can anyOne help?

Trying to mod my pump. Bought longer fuel screw but after screwing it as far as possible, there is no performance gain or runaway. Any thoughts?

 

Uh I'm not sure on the longer screw. That's a new one to me. I turned mine in like 2 1/4 turns and wow nice gain

 

Pdp sell em I have one in ole shakey at the same number of turns as the stocker it ranaway.

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Try backing it out and advancing it a turn at a time. Have you removed the pump top? And have you backed off your idle? It should raise the idle the further you turn in till runaway. A ic pump doesn't respond as much as a non ic to cranking the fuel screw that being said it should still feel different.

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mines having the same probem with the longer fuel screw i dont think im getting full fuel

 

Wonder if I should cut the collar off stock screw and see if there's any gain?