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Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

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  #31  
Old 11-19-2009, 12:37 PM
chevyburnout1's Avatar
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Rock on Your gonna be able to do these in your sleep.

chevyburnout1's Sig:Dustin

'03 Silverado LB7.
EFI Live w/ DSP2 _ Suncoast IV w/ 1056 _ K&N Intake _ Machined Intake Mod _ Diamond Eye 5" straight piped
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  #32  
Old 12-17-2009, 04:32 PM
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Wow.. that was something else. Makes me want to try it. I just got back from the dealer and they told me I need them changed (the second time) at a cost of 5000.00. I am three months over the warranty. Just got off the phone with gm but i know where thats gonna get me.

EXCELLENT job on those pics and instructions!!!

---AutoMerged DoublePost---

Now where do I get cheap injectors ?

Last edited by dosserdog; 12-17-2009 at 04:32 PM.. Reason: Automerged Doublepost
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  #33  
Old 12-17-2009, 07:09 PM
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i went with pensacola injectors and ended up going through 3 sets before i forked the money over for brand new ones from the dealer, long story short i should have went and bought new ones right away.

the injector lines are a pita to clean the corrosion is caked on there.

the driver side will give you the most trouble, cause of the firewall, having alot of extensions and allen wrenches will help. alot of stuff can be moved anf pushed around to give you more room

2500HeavyDuty's Sig:01' Dmax Ec/Lb: EFI Live tuned by me, Suncoast stage IV, Banks Intake w/ super scoop, 5" exhaust to 6" Stack, Ported intake Horn, Hybrid FPR, Coated CAC pipes, AirDog 150, Gauges, 35's Mounted on H2's lowered. and a Few more mods.
gt42 up the sleeve

06' Jetta TDI: Bone stock 42MPG @ 80mph.

IT LIVES!!!!


VROOOOOOOOM IM A TIRE
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  #34  
Old 12-17-2009, 07:25 PM
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I'm talking to a guy here in Central Cal said the same about Pensacola, first thing he said when I told him I was looking for injectors.
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  #35  
Old 12-17-2009, 08:47 PM
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Originally Posted by dosserdog View Post
I'm talking to a guy here in Central Cal said the same about Pensacola, first thing he said when I told him I was looking for injectors.
yeah DONT get Pensacola injectors, they are nothing but trouble, and when it takes over 8 hours of work to do injectors it gets ond real quick


if there was any confusion from my earlier post
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  #36  
Old 12-21-2009, 04:48 PM
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Well I did mine about 2-3 weeks ago. That's some serious work! Truck runs great and I seem to have lost my James Bond smoke screen.

Got brand new GM injectors for $201 each. Don't want to post link since I'm sure they aren't a paid advertiser on this site.
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  #37  
Old 12-21-2009, 04:53 PM
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well whoever you get them from thats a smokin deal.

did you have corrosion on your injector lines?
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  #38  
Old 12-22-2009, 07:50 AM
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Got them from a GM dealer who has an online website. They have some pretty awesome prices. I bought the injection unit for my wife's GMC 1500 w/5.7L from them a year or so ago. Ethanol screwed it up. They were $400-$500 les than any where else I could find. Funny enough for the guys from central Calif, they are in the SF area. Want to say Santa Clara but I forget.

No corrosion on the injector lines. My injectors were replaced under warranty twice. 2nd time they replaced at least 7 of the lines. Thought it was all 8, but when I replaced the injectors this time, 7 of the lines were shiny "chromish" looking, but the line on #3 cyl was dull greenish color. ???
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  #39  
Old 12-22-2009, 01:32 PM
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yeah the original lines were dull green, i just bought some brand new ones and they look like they were made out of platinum... or they should be cause of what i payed for them
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  #40  
Old 12-22-2009, 02:49 PM
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I am currently tearing down my '01 LB7. When I removed the upper valve cover, I found most of the fuel inlets to the injectors caked in crud. One was so caked, I'm sure there was NO fuel getting to the cylinder. Is this a sign to replace the injectors? (obviously the fuel filter died at some point in the truck life)
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