you probably have a vacume leak from a sheared/ripped injector O ring, when you replaced you injectors
spray some combustible brake/carb cleaner around the inj and fell the idle youll find the problem
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Psychotic Gearhead/Redneck/Mekanik
94 Olds 442 Twin engine's! 6.9L/425 cu inches and 12 cylinders!
13.81 @ over 98 MPH! consistent 1.9s 60'!