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

68# Injectors

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Old Feb 25, 2005 | 04:00 PM
  #1  
91GMCSuburban's Avatar
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Car: 91 GMC Suburban
Engine: 350 TBI
Transmission: 700R4
68# Injectors

Where can I find these? Besides TurboCity, anywhere else?

Last edited by 91GMCSuburban; Feb 26, 2005 at 02:27 PM.
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Old Feb 25, 2005 | 04:07 PM
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From: Chicago, IL
Car: 91 Camaro RS Convertible
Engine: 305 TBI
Transmission: 5-Speed
Axle/Gears: 3.42
No, you can find the 9C1 65# injectors on ebay and junkyards sometimes. I believe they are yellow/brown color code.
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Old Feb 25, 2005 | 05:28 PM
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I just put some 68# injectors in my camaro. I got them from Snuffy. I don't know where he got them.
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Old Feb 25, 2005 | 07:20 PM
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Originally posted by azvolfan
I just put some 68# injectors in my camaro. I got them from Snuffy. I don't know where he got them.
He got them from Turbocity.
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Old Feb 25, 2005 | 08:06 PM
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91GMCSuburban's Avatar
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Car: 91 GMC Suburban
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Thanks.

Turbo City seems expensive, at over $100 each. Trying to find another place.

Also, I thought the 9C1 injectors were 67# and thats what I've been searching for on ebay.
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Old Feb 26, 2005 | 01:47 PM
  #6  
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Car: 91 GMC Suburban
Engine: 350 TBI
Transmission: 700R4
Anyone Else?
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Old Feb 26, 2005 | 09:45 PM
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From: Hurst, Texas
Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
The stock 1992 G20 chevy van 350 K code TBi that I got had 65 lb/hr injectors in it.
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Old Feb 27, 2005 | 12:35 AM
  #8  
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Car: 91 GMC Suburban
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got a part number?

Have them to sell?
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Old Feb 27, 2005 | 11:44 AM
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From: Hurst, Texas
Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
9C1 350 injector specs are
5.7L Cop Car 1-13/16"
Yellow/Brown code
65 lb/hr @13psi
GM Part #17084327-ACR

They were also factory installed in the 1992 350 van motor that I bought.
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Old Feb 27, 2005 | 04:07 PM
  #10  
91GMCSuburban's Avatar
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Car: 91 GMC Suburban
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I can see I'm going to have a hell of a time finding these...

Last edited by 91GMCSuburban; Feb 27, 2005 at 04:14 PM.
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Old Feb 27, 2005 | 04:15 PM
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From: Hurst, Texas
Car: 1983 G20 Chevy
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Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
G20 with the K vin code roller cam 350, I will get the broadcast code on the ecm so you know exactly which one will have it as soon as I can.

I believe that a certain year like 1993 astro with a 4.3 Z code vortec TBI used them too. I have seen it looking them up at work. You have the option of choosing from high or low and they are the high flow ones.

Regardless make sure that they have the yellow/brown code on them. All you have to do to tell is pull the pigtell off. The code is painted on the top of the injector on the little round protrusion on top. The front will be one color and the back the other.
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Old Feb 27, 2005 | 06:35 PM
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Car: 92 RS, 02 Tacoma, 2 73 Porsche 914s
65-68 - obviously not a big difference. I wouldnt go paying extra to find 68s... just find 65s and tap fuel pressure up a tiny bit.

I think that the turbo city 68's are just 65's that they've flowed and matched to another that flowed 68 vs 65. Remember - between any 2 injectors there is a variance of flow even on a stock car.

I got mine from an tbi guy who had pushed it to the limits about 6 years ago... he's a long abandoned tbi guy. I think he was from the carolina's or something. I also bought a 454 throttle body off of him.
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