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

Injector filters

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Old Jan 25, 2004 | 06:40 AM
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Old Jan 25, 2004 | 07:02 AM
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From: Chasing Electrons
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Re: Injector filters

Originally posted by joshwilson3
I plan on cleaning my TBI unit. In the Haynes manual, it shows that there are little filters on the tips of the injectors. Does anyone know where to get these at? Maybe a part number or something?
There are two filters on each injector. The other one goes into the side of the injector and is about 1/8" in diameter (a little tiny hard to pick up and handle kind).

Rebuild kits (about $35 US) include the filters. For just the filters try injector rebuild houses, Lindertech, Rich at CruisingPerformace, are two examples.

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Old Jan 25, 2004 | 03:32 PM
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Last edited by joshwilson3; Apr 21, 2012 at 01:47 PM.
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Old Jan 25, 2004 | 07:29 PM
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You can buy the kit as you have pictured(less injectors) at just about any auto parts store. I got mine from NAPA for under 40.00.
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Old Jan 25, 2004 | 11:41 PM
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Last edited by joshwilson3; Apr 21, 2012 at 01:53 PM.
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Old Jan 26, 2004 | 07:46 AM
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I got a kit at Pep-boys about 4 years ago. BorgWarner brand IIRC. Was very complete, filters, gaskets, base gaskets (2 actually). Was under $40 US.

In the pic you posted the filters are in the upper right corner. The little dots are the ones that go into the side of the injectors. The two rods are guide tools for helping at re-assemble time.

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Old Jan 26, 2004 | 01:07 PM
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Last edited by joshwilson3; Apr 21, 2012 at 01:58 PM.
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Old Jan 26, 2004 | 02:38 PM
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From: Jacksonville, Tx
Car: 91 RS, 00 TA Ram Air, 86 IROC
Engine: 305 tbi, LS1, 355
Transmission: 700R4, 4L60E, 700R4 NonLU
I have bought 2 of these kits in the past week @ Advanced Auto Parts. It comes with the injector screens and the fuel pressure regulator diaphram. It cost me $40.56. Comes with all gaskets, o-rings, and seals. Plus the hard plastic o-rings that seal the fittings on the back side of the throttle body.
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Old Jan 26, 2004 | 07:11 PM
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Yes,NAPA also has the complete kit(echlin brand) for about 40.00
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Old Jan 26, 2004 | 08:30 PM
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From: Chasing Electrons
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Originally posted by joshwilson3
Did it come with the diaphram thingy as pictured in the upper left hand corner of the screen?
I believe that it did.

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Old Jan 27, 2004 | 12:54 AM
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Last edited by joshwilson3; Apr 21, 2012 at 02:01 PM.
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Old Jan 30, 2004 | 01:20 AM
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Last edited by joshwilson3; Apr 22, 2012 at 05:48 AM.
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Old Jan 30, 2004 | 10:51 AM
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I still have the old box in my shop, I will try to post the number this evening.

I dont mind getting it for you but why dont you just call or stop by the parts store yourself?
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Old Jan 30, 2004 | 07:34 PM
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The Borg-Warner part# is 10902
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Old Jan 31, 2004 | 01:20 AM
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Last edited by joshwilson3; Apr 22, 2012 at 05:54 AM.
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Old Jan 31, 2004 | 02:41 AM
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Last edited by joshwilson3; Apr 22, 2012 at 05:57 AM.
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Old Jan 31, 2004 | 09:00 AM
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We have a NAPA store and a Parts Plus store here. NAPA has Echlin and Parts Plus has Borg-Warner. I have rebuilt several throttle bodys and buy from both places. The Borg-Warner just happens to be what was in the shop. Any parts store should be able to cross reference the Borg-Warner # over to whatever line they carry.
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Old Jan 31, 2004 | 10:40 PM
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the 97-724 GP sorensen kit isnt bad, it came with everything for the TBI and then some. metal rings, filter screens, all rubber, 5 gaskets, injector pod gasket, diaphram, thrd sealer/locker, and 2 screws. I put this on mine it worked fine.
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Old Jan 31, 2004 | 10:45 PM
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Last edited by joshwilson3; Apr 22, 2012 at 06:03 AM.
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