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

injectors

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Old Feb 18, 2003 | 07:28 AM
  #1  
JeffC1500TBI's Avatar
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Joined: Jul 2001
Posts: 400
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From: Ottawa, Ontario
injectors

can the injectors be tested somehow? I'm not having any problmes(that I know of) but just curious if they could be better. they are original 350 tbi injectors from 88. they have about 140,000 kms on them.. just wondering if they get weaker over time and if so should I buy new 454 injectors or just replace them with the same? most mods listed below..engine was rebuilt last winter and has about 5000kms on it. 2400 stall coming up in the spring

thnks
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Old Feb 18, 2003 | 11:45 PM
  #2  
r90camarors's Avatar
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Joined: Dec 2001
Posts: 1,418
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From: Morris, IL
Car: '91 t-top RS; '91 hrdtp Z28
Engine: LO3;383tpi
Transmission: 700r4;very nice 700r4
Axle/Gears: 4.10 zt posi, 3.70 auburn
I'm not sure if there is an actual way to test them or not, but a visual inspection is a good place to start. Check the spray, it should form a nice cone. If they are spitting, they probably need to have some injector cleaner run through them. If they are dripping then they could be bad, or need a simple rebuild (screens and o-rings).
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Old Feb 27, 2003 | 08:51 PM
  #3  
snisbet375's Avatar
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Joined: Dec 2002
Posts: 60
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From: clewiston, florida
Car: 1983 camaro z-28
Engine: 305 crossfire
Transmission: 700r4
i have a problem with my injectors. Im thinking they are clogged with junk. Can i just replace the screens? if so would any auto part store have them? And does anyone know a website that says all the sizes of injectors that chevy put on their cars. Wondering what types of other cars besides camaros that the injectors came on. So i can get some at a junkyard.
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