Sticky injectors

Hello everyone in 5.0 land. I picked up a 89 notchback to use as a daily driver and one of my injectors makes a pretty loud ticking noise. It goes away when I unplug it. I have the stock injectors from my bullitt and I was wondering if they would work? They are the same orange color on top and the connector looks similar. Thanks in advance for your help.
 
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it might be possible it could be a exhaust leak on that cylinder? when you unplug it, it would make no explosion so you wouldnt hear the exhaust leaking out...if it was the case, just a thought

I never heard a injector anything like a rod knock, especially overcoming the sound of the sound of exhaust, fan, and everything else coming from an engine...just my 2 cents