TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Quick Injector question

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Old Jul 25, 2012 | 12:47 PM
  #1  
BlueWrath92's Avatar
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Car: 92 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt 3.42 Posi
Quick Injector question

If I look at my injectors and they seem to be spraying at idle like normal but one of them has a steady drip of uel does this indicate a faulty injector?
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Old Jul 25, 2012 | 08:07 PM
  #2  
Edwardgp's Avatar
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Car: 1983 BB 1995 Z28 Camaro's
Engine: 454-350
Transmission: TH350-4l60e
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Re: Quick Injector question

I believe that would be your faulty injector. It is not suppose to drip.
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Old Jul 26, 2012 | 01:01 AM
  #3  
xch3no2's Avatar
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From: Pacific NW
Car: 89 K3500 Fleetside
Engine: RAT *tbi* EBL
Transmission: TH400
Axle/Gears: 3.73-Dana 60
Re: Quick Injector question

Failed O-ring is the most common drip issue. Try a new O-ring set first.

Could also be loose screws or cracks in the pod.
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Old Jul 26, 2012 | 08:37 AM
  #4  
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From: Buffalo, NY
Car: 92 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt 3.42 Posi
Re: Quick Injector question

Ok I will check it out, I have just rebuilt the TB 2 years ago including all new O rings and screens on the injectors. I know these injectors are not cheap new.
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Old Jul 26, 2012 | 09:00 AM
  #5  
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From: Buffalo, NY
Car: 92 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt 3.42 Posi
Re: Quick Injector question

Okay, So I just took a a good look at both of them, the one on the left seems like it has a slight drip within the cone... BUT both of them have a drip that runs down the inner sides of the "injector holders" into the ports the leak is not from the gasket but looks like the actual injector where it sprays., not sure that that part is normal.. I can try to get a video of it. There should be no drips at all on either side??

The only problem I have is a wierd idle "shake" problem after car is warmed up at stop lights, could these be the culprit?
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Old Jul 26, 2012 | 09:33 AM
  #6  
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Car: 92 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt 3.42 Posi
Re: Quick Injector question

Here is a video...
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