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Duramax First Generation: 2001-2004 (LB7) Discuss the first generation (2001-2004 LB7) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.


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Old 03-19-2019, 06:52 PM   #1 (permalink)
Liftemhigh
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injectors again LB7

well it looks like i need injectors again .. i just changed the fuel pressure regulator last week and may i say what a job... i had a little smoke at idle before but now there's more smoke.. just did the balance rates and this is what i have


1cyl- 1.5
2cyl- -0.9
3cyl- -0.0
4cyl- 1.0
5cyl- -0.1
6cyl- 2.8
7cyl- 2.2
8cyl- -6.1
fuel rate 10.4
rail act- 4329
rail des- 4403
rpm 716
injector timing 5.0 degs


so what ya'll think injector time again . i got a 200000kms on the last set but had a lot of water in fuel this winter no madder were i fueled up the water in fuel light came on. i was using k100 and kleen flo diesel conditioners. i also ran ac delco fuel injector cleaner to see if it would help. it didn't. last set i put in were from L.D.S and had no problem with them. now a buddy just changed his and he put in a set from Injectors Direct.com are they a good set? i'am also putting on a cat adapter with a 2micr filter..what else should i be doing .. truck has 510678kms on it and is in good shape still... sorry for being long winded .

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1995 Chevy K1500 TD 6.5L 4X4 / 2004 GMC Sierra quad cab 2500HD 4X4 6.6 D-Max(LB7)/van Aaken
  • Custom Rear Bumper/3"Step Bars
  • Bushwhacker Pocket Flares/Lund Sunvisor,
  • 1998 Air filter box
  • Pyro/Trans/Boost gauges on a pillar
  • Custom Dump Bed
  • 6" Rough Country suspension lift
  • Hercules Terra Trac LT315/75R16
  • American Racing rims
  • Clear Lens Headlights , Euro style Taillights,
  • 4" Warpspeed exhaust system (no CAT),
Build em, Drive em, Beet em, Fix em and Start all over again

Last edited by OkDually; 03-19-2019 at 06:59 PM. Reason: prefix
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Old 03-20-2019, 08:41 PM   #2 (permalink)
willydmax
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I wouldn't put anything but the SAC style in for replacement. They cost more but should be the last ones you install.

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Old 03-20-2019, 09:06 PM   #3 (permalink)
ShopSpecialties
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The SAC 00 are coming very soon and they will be drop in replacements with no tuning required.
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Old 03-20-2019, 10:28 PM   #4 (permalink)
Liftemhigh
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the kit he bought was a LB7 injector kit with the gaskets and install kit (remanufactured)and cat adapter kit with a 2micr filter for under 2500 Canadian and the truck is running great. his truck has the same setup as mine but less kms (sorry if cost is not aloud please delete thank you. i have to change mine soon cause i drive it to work and its 160kms a day and she is smoking
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1995 Chevy K1500 TD 6.5L 4X4 / 2004 GMC Sierra quad cab 2500HD 4X4 6.6 D-Max(LB7)/van Aaken
  • Custom Rear Bumper/3"Step Bars
  • Bushwhacker Pocket Flares/Lund Sunvisor,
  • 1998 Air filter box
  • Pyro/Trans/Boost gauges on a pillar
  • Custom Dump Bed
  • 6" Rough Country suspension lift
  • Hercules Terra Trac LT315/75R16
  • American Racing rims
  • Clear Lens Headlights , Euro style Taillights,
  • 4" Warpspeed exhaust system (no CAT),
Build em, Drive em, Beet em, Fix em and Start all over again
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Old 04-09-2019, 09:22 AM   #5 (permalink)
[email protected]
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I would highly recommend looking into a set of our SAC 45 injectors, they are going to last a lot longer than the factory style unit.
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Old 04-09-2019, 12:56 PM   #6 (permalink)
chevyduramax2500hd
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Quote:
Originally Posted by [email protected] View Post
I would highly recommend looking into a set of our SAC 45 injectors, they are going to last a lot longer than the factory style unit.
@ [email protected] Are the SAC 00 injectors quieter than the VCO injectors. Thanks.
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2002 Chevy 2500HD 4x2 Duramax/Allison CC/LB
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Old 04-15-2019, 11:15 AM   #7 (permalink)
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We have not noticed any noise difference on the SAC00 than factory VCO units.
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Looking for LB7 Injectors?
Check these prices out!....

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Click here For,
LB7 Injector Install Instructions
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Old 04-23-2019, 01:26 PM   #8 (permalink)
Liftemhigh
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well my buddy bought me my injectors for me with new lines.all installed and good but now i get p1093 code and power is hit and miss sometimes i have all the power then its like its staving for fuel. if i step on the peddle 3 or 4 times to the floor and then the power comes back. it also went into limp mode once. i changed the fuel pressure regulator. could this be the problem defective one
or do i have a hole in the fuel line sucking air? or is the CP3 going now? HELP!
__________________
1995 Chevy K1500 TD 6.5L 4X4 / 2004 GMC Sierra quad cab 2500HD 4X4 6.6 D-Max(LB7)/van Aaken
  • Custom Rear Bumper/3"Step Bars
  • Bushwhacker Pocket Flares/Lund Sunvisor,
  • 1998 Air filter box
  • Pyro/Trans/Boost gauges on a pillar
  • Custom Dump Bed
  • 6" Rough Country suspension lift
  • Hercules Terra Trac LT315/75R16
  • American Racing rims
  • Clear Lens Headlights , Euro style Taillights,
  • 4" Warpspeed exhaust system (no CAT),
Build em, Drive em, Beet em, Fix em and Start all over again
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