injector spray pattern

[Rich Andrews]

hi all..
finally got the 4kq running alright last night after pulling 
injectors and observing a bad spray pattern on #4 & #5...
so my question is.. i attempted to clean these up and afterward
the spray pattern looked bad then i tapped them with a crescent
wrench and low and behold i had what resembled a good spray 
pattern.. but after driving the car this morning it has started to develop a
low range RPM stumble AGAIN.. i think i just need
to give up and dish out the cash for new injectors...
any other opinions? BTW.. my 02 sensor is disconnected @ the 
moment but the car ran smoother last night...
These injectors have a quite a few miles on them..
and who has the cheapest injectors around?

TIA!
rich
'86 4kq

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