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Are factory injectors serviceable?

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Old 12-18-2007, 06:44 PM
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Default Are factory injectors serviceable?

I think I may have an injector problem (minor). Are the factory (02 Fbody which are #28 I think?) serviceable? Other than running Techron through them can I take them out and clean them and is there anyway to check them?
Old 12-18-2007, 10:10 PM
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There are a lot of companies that rebuild stock injectors. RC has a cleaning service option for injectors. http://www.rceng.com/Fuel-Injector-Cleaning-P43C0.aspx
Old 12-18-2007, 10:16 PM
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Your Napa should be able to put them on a tester and check the flow rate and patern.

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Old 12-18-2007, 11:50 PM
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Originally Posted by RE AND CHERYL
Your Napa should be able to put them on a tester and check the flow rate and patern.

Re'
That's great. I'm sure there alright, but I keep drilling down to all of the details. I asked at the dealer today about replacement stock injectors...$120 each!! For the proce of 3 injectors you could buy high capacity upgrades!

I put a can of Techron in and filled up at the local Chevron. I'll ask Napa if they can test them for me, it might be worth taking them off just for the peice of mind.
Old 12-19-2007, 12:44 PM
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I poured a bottle of Techron in the tank and put about 10 gallons of Chevrons best 91 fuel. I've driven about 50 miles on that load.

I bought a bottle of MAF cleaner and performed a thorough cleaning of my MAF.

I retorqued my intake manifold...this surprised me as I torqued ot to spec (I beleive it is 22ft-lbs) when assembling, but I was able to get a full turn on the bolts when go over the manifold again. I didn't use the torque wrench this time, I just tightened them to "tight" with one hand on a small 1/4" drive racthet.

Well whatever the case, on the way to work this morning the numbers are much better. Often the two banks were reading the same numbers. I don't think the Techron would have done anything yet, the MAF wouldn't be bank specific, perhaps I had a vrey small leak on the intake manifold???
Old 12-20-2007, 08:34 AM
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Old 12-20-2007, 08:16 PM
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I believe that the 2002 injectors are size 26+. 1998 injectors are 28+.
Old 12-20-2007, 08:31 PM
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Originally Posted by gMAG
I believe that the 2002 injectors are size 26+. 1998 injectors are 28+.
98/01-02 have the same injectors. LS1s GTO have them also.
Old 12-21-2007, 09:54 AM
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We also offer the fuel injection service. We can get them done the same day we get them from you. When you get them back, you will have a sheet with before and after numbers. They will also be re- O ringed.
Old 12-21-2007, 10:10 AM
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Originally Posted by bene
98/01-02 have the same injectors. LS1s GTO have them also.
Interesting...my 98 LS1 (28lb) injectors have #01D030B.
a neighbor with original, one-owner 2001 LS1 has a different number on his injectors.

Last edited by gMAG; 12-21-2007 at 10:46 AM.
Old 12-24-2007, 01:41 PM
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They may be different for some reason but flow the same and are probably interchangeable if flow rate is the same...
Old 01-01-2008, 05:43 PM
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Correction on my 98 injector/28lb injector #..this does not affect the point of my previous reply or that of the thread...
98 injector #'s 12554271 and 0 280 155 752.




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