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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 06-28-2019, 01:06 PM   #11 (permalink)
Sluger17
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I've been running the diesel Kleene since we started the trip I have been putting half of the middle sized bottles in almost every tank when I fill up. I haven't tried putting a large amount in but I can give that a try.

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Banks Six Gun running on level 3
AEM water/meth injection
Word of lift pump
ATS stage 2 Allison with their TQ Converter
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Old 06-28-2019, 11:19 PM   #12 (permalink)
D.Camilleri
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Usually with heavy doses of diesel kleene it takes 1000 to 1500 miles to clean the carbon off of the injectors. If using the diesel kleene doesn't help, you probably have a high return rate condition that will require new injectors. Make sure not to baby the engine too much, usually a few WOT runs are needed to blast off the carbon with some high flow out of the injectors. Is your fuel filter new?

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2018 Solitude 310GK fifth wheel with a 12' Haulmark tag trailer to haul toys in.

1997 Jeep TJ, Currie 8.8 high pinion axles front and rear with ARB air lockers, 4.56, 5 on 5.5 with warn hub kit, Atlas II transfer case with Klune V doubler, 4 inch Currie Lift and 35x12.50x15 Mickey Thompson MTZ on 15x10 Mickey Thompson wheels, Ramsey 9500 winch, hydraulic ram assist steering, on board welder and on board air, custom aluminum fuel tank.
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Old 06-30-2019, 12:38 PM   #13 (permalink)
Sluger17
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I did a few WOT runs yesterday without the trailer. I did replace the fuel filter before the trip.
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2003 Silverado 3500 crew cab dually LB7 233,254
K&N intake
Turbo intake horn
Rebuilt stock turbo with a billet 11 fin wheel
Banks bighead Watergate actuator
Driver side full flow manifold
3 inch down pipe
4 inch from down pipe back
Pacbrake exhaust brake
Banks Six Gun running on level 3
AEM water/meth injection
Word of lift pump
ATS stage 2 Allison with their TQ Converter
Boost, EGT, Rail pressure Gauges.
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Old 07-01-2019, 11:01 PM   #14 (permalink)
D.Camilleri
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Are your balance rates improving?
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2017 3500HD CCLB Black on Black LTZ Loaded L5P, Banks Derringer with I dash, Ranch Hand bumper with 18K superwinch talon, Curt 20k puck hitch, 60 gallon aluminum transfer tank with electric pump, Onan Quiet Diesel 5500 for extra weight in the bed, Cooper STT PRO 285/65R18 and Vision Manic wheels. 2nd set of tires and wheels, Cepek Trail Country EXP 285/65R18 on Ultra Predator II Black/Machined 18x9

2018 Solitude 310GK fifth wheel with a 12' Haulmark tag trailer to haul toys in.

1997 Jeep TJ, Currie 8.8 high pinion axles front and rear with ARB air lockers, 4.56, 5 on 5.5 with warn hub kit, Atlas II transfer case with Klune V doubler, 4 inch Currie Lift and 35x12.50x15 Mickey Thompson MTZ on 15x10 Mickey Thompson wheels, Ramsey 9500 winch, hydraulic ram assist steering, on board welder and on board air, custom aluminum fuel tank.
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Old 07-02-2019, 01:21 PM   #15 (permalink)
MaxRock
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On a trip I took a couple of years ago, I was pulling a 26' GN with a 35HP John Deer with FEL and several other implements, didn't weight it, wasn't too heavy but wasn't light either. I filled up at my usual Love's truck stop by the house. A couple of hours into the trip I pulled into a rest area to check the load, wheel bearings that sort of thing. I let the engine idle to cool down the turbo. When I walked to the rear of the truck it was puffing white smoke similar to your pics. About 2 hour later I pulled over at another Love's to get fuel. When I stopped, the engine had a miss and pouring white smoke out of the pipe. I fueled up, bought some FPPF fuel treatment and went on my way. About 3 hours later pulled into another Love's truck stop, the miss was gone but still belching white smoke. Drove about another hour on small country roads to my destination. On the return trip, when I first cranked the engine, everything was good. No miss or white smoke. Drove about 30 miles and pulled over to check the load, white smoke belching from the pipe. When I got on the interstate I stopped at a Love's again and filled up, same white smoke. Drove an additional 4 hours and stopped at Love's truck stop for my last fuel up before getting home, engine still belching white smoke. Talked to the wife and told her she will know when I get home because it will look like I'm fogging for mosquitoes. Three hours later I back into the driveway and the exhaust is clear (I had put 3 oz's of FPPF in each fill-up). The next couple of days I drove to work and the exhaust was clear. Time to fill up, I head to my local Love's truck stop and BAM...the white smoke is back and stayed until I filled up again. I do not know what was in the fuel at the 4 different Love's truck stops, but I haven't purchased fuel from them again and have not had any issues. I do still put 3 oz's of FPPF in each tank. My truck is pushing 435k miles and am on my second set of injectors.

Good luck with your truck.

-Mark
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Last edited by MaxRock; 07-02-2019 at 01:23 PM.
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Old 07-04-2019, 05:36 PM   #16 (permalink)
Sluger17
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The Balance rates were not improving. I started to pour a lot more white smoke when I got down to Virginia and the idle was getting pretty ruff. So I pulled the trigger and ordered a set of injectors from LDS and started to change them this morning. Hopefully tomorrow morning we can wrap up the rest of the replacment and get her started. I'll let you all know tomorrow since weather rolled in and it's beer thirty.
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Old 07-05-2019, 07:31 PM   #17 (permalink)
D.Camilleri
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Good luck and I hope it goes well, been there and done that.
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2017 3500HD CCLB Black on Black LTZ Loaded L5P, Banks Derringer with I dash, Ranch Hand bumper with 18K superwinch talon, Curt 20k puck hitch, 60 gallon aluminum transfer tank with electric pump, Onan Quiet Diesel 5500 for extra weight in the bed, Cooper STT PRO 285/65R18 and Vision Manic wheels. 2nd set of tires and wheels, Cepek Trail Country EXP 285/65R18 on Ultra Predator II Black/Machined 18x9

2018 Solitude 310GK fifth wheel with a 12' Haulmark tag trailer to haul toys in.

1997 Jeep TJ, Currie 8.8 high pinion axles front and rear with ARB air lockers, 4.56, 5 on 5.5 with warn hub kit, Atlas II transfer case with Klune V doubler, 4 inch Currie Lift and 35x12.50x15 Mickey Thompson MTZ on 15x10 Mickey Thompson wheels, Ramsey 9500 winch, hydraulic ram assist steering, on board welder and on board air, custom aluminum fuel tank.
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Old Yesterday, 11:50 PM   #18 (permalink)
dk2429
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Quote:
Originally Posted by Sluger17 View Post
The Balance rates were not improving. I started to pour a lot more white smoke when I got down to Virginia and the idle was getting pretty ruff. So I pulled the trigger and ordered a set of injectors from LDS and started to change them this morning. Hopefully tomorrow morning we can wrap up the rest of the replacment and get her started. I'll let you all know tomorrow since weather rolled in and it's beer thirty.
I don't think you'd be the first one replacing LBZ injectors while out on the road.. lol.

Good luck man, hate to hear that. Thank you for your service to our country, and god bless
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Old Today, 10:32 AM   #19 (permalink)
dk2429
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Quote:
Originally Posted by dk2429 View Post
Quote:
Originally Posted by Sluger17 View Post
The Balance rates were not improving. I started to pour a lot more white smoke when I got down to Virginia and the idle was getting pretty ruff. So I pulled the trigger and ordered a set of injectors from LDS and started to change them this morning. Hopefully tomorrow morning we can wrap up the rest of the replacment and get her started. I'll let you all know tomorrow since weather rolled in and it's beer thirty.
I don't think you'd be the first one replacing LBZ injectors while out on the road.. lol.

Good luck man, hate to hear that. Thank you for your service to our country, and god bless[IMG class=inlineimg]/forum/images/smilies/thumb.gif[/IMG]
Lb7****
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Cold air intake, EGR delete, Kory Willis PPEI 100HP, Black Oak LED light bar, turbo resonator delete, 4" MBRP straight pipe turbo back, Edge CTS2 Insight
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