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Duramax 6600 Discussion Forum for the Duramax 6600 Diesel Engine, including the LB7, LLY, LBZ, LMM & LML engine specific topics.

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Old 05-23-2010, 10:59 AM
Mark Rinker's Avatar
Mark Rinker Mark Rinker is offline
Join Date: Jun 2003
Posts: 5,813

MRE now has ~600K miles since summer 2004 on the combined operation of a 2005 (~80K miles), 2001 (~100K miles), 2002 (~150K miles), 2004 Kodiak (~110K miles), and two 2006 Duramaxes (~160K) .

Highest single truck mileage attained was on the 2002 K3500 - purchased with 130K and sold with 280K. By operating the trucks mainly inside their warranty periods before trading, we have minimized high dollar out-of-pocket repairs to:
  • 2006 K3500 smoked one Allison torque converter, taking the transmission with it in the process ($3000 total cost of parts/labor)
  • 2002 K2500 grenaded one transfer case ($1800 total cost of parts/labor)
  • 2001 K2500 blew a head gasket, was sold with problem disclosed, at a discounted price of ~$2000.
'Wearable' parts we have replaced:
  • 12 sets (of 4) Michelin tires;
  • 3 pairs of Delco replacement batteries, 1 pair of Optima red tops;
  • 5 sets (of 4) replacement shocks;
  • 5 brake jobs;
  • >60 oil changes;
  • >40 transmission drain and fills with spin-on filter
  • 2 rear pinion seals
  • 2 axle bearing seals (C4500 Eaton rear)
  • 3 front wheel bearings
  • 1 starter
  • 1 water pump
... we have received 4 sets of 'free' injectors under GM warranty, valued at over $15K.
2011 Chevrolet Tahoe 5.3L daily driver
  • Previous owner of two 1994 6.5L K3500s, '01, '02, and '05 6.6L K2500s, '04 C4500, '06 K3500 dually, '06 K3500 SRW, '09 K3500HD SRW, '05 Denali
  • Total GM diesel miles to date : ~950K

Last edited by Mark Rinker; 05-23-2010 at 11:35 AM.
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Old 06-14-2010, 07:29 PM
chris121277 chris121277 is offline
Join Date: Jun 2010
Posts: 3

I have an 01 with 288,000 miles on it
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Old 06-27-2010, 09:06 PM
chevman chevman is offline
Join Date: Feb 2001
Posts: 1

It would have been great if all had told what engine oil was used. 47K on our 05 makes me feel like it is new, it does drive better than new and is a great towing truck.
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Old 07-23-2010, 11:31 PM
Quig653 Quig653 is offline
Join Date: May 2010
Posts: 4
Default 63,600 miles a year

My 2005 Sierra 2500HD, crew cab, long bed, 4x4, has 318000 miles. Only 3k of them are from me. Yep... I bought it with 315K on the odometer.
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Old 08-11-2010, 01:42 PM
mwhitfill mwhitfill is offline
Join Date: Aug 2010
Posts: 3
Default Not too many miles but lots of hours

I only have 248,789 miles but have 9700 hours due to my dog who enjoys the air conditioning...I have since built my dog an office and no longer idle the truck near as much...
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Old 10-06-2010, 08:50 AM
oneton oneton is offline
Join Date: Jan 2001
Location: Tampa, FL
Posts: 382

237,000 miles on my 02. The only parts that failed so far are the injectors (190,000), fuel pressure regulator (90,000), Crank position sensor (140,000), and water pump (237,000). Not too bad, IMHO

2002 3500HD Pewter/lt grey interior Crew Cab 4x4 LT Durmax/Allison
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Old 10-14-2010, 07:40 PM
ricksofla ricksofla is offline
Join Date: Oct 2010
Location: Ft. Lauderdale, Fl
Posts: 20
Default high milage

I just bought a 2002 3500 with 314000!
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Old 01-24-2011, 02:27 PM
Dub G Dub G is offline
Join Date: Jan 2011
Location: orange county
Posts: 6

I have a 02 2500 hd with 208000 and just now all the injectors went out...the truck ran awesome until then.... haven't even done the brakes yet...
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Old 08-05-2011, 01:08 PM
MaxACL MaxACL is offline
Join Date: Oct 2001
Location: Myrtlehead, TX
Posts: 414
Default Still strong

370,000 miles and my smile muscles still hurt.
2002 GMC, Pretty Dark Blue, 4x4 / 3500, ZF6, 115 gal spare tank and Rockets... (My Other One): Flying Fuel. I got three engines and a 52,000 gallon tank, how many you got?
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Old 08-07-2011, 06:37 PM
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gimpyhauler gimpyhauler is offline
Join Date: Apr 2011
Location: klamath Falls, Oregon
Posts: 131

I have an '07 Classic LB/CC w/165,000. Doesn't use a quart between oil changes.
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