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2004 2500HD 6.0l lifespan

Has 140k what can I expect?

Re: 2004 2500HD 6.0l lifespan

Postby Cowboy2563 » Aug 31 2015, 2:19pm

I was reading through this post and I like what I see. Hopefully my 6.0 has a lot of life left. It just hit 80,000 last week. Hoping I can get a good 250K out of it even if I have to do a lot of work.
The Trucks:

2012 Chevy 2500HD Duramax (Daily Driver)
2007 GMC 2500HD Classic
2002 GMC 3500 (Hauler)
1980 Chevy K20 (Farm Truck/Project)
1978 Chevy C20 (Project)
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Cowboy2563
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Year: 2012
Make/Model: Chevrolet Silverado
Extra Info: 2500hd 6.6 Duramax
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Re: 2004 2500HD 6.0l lifespan

Postby Copperhead » Aug 31 2015, 4:17pm

One of the primary reasons I got my 2015 2500 was for the 6.0L L96 motor. One of the best track records for durability and longevity. Sure, it doesn't have great fuel economy, but not bad either, considering it is having to move around considerably more pickup than a 1500. Kinda hard to get great mpg when the pickup is basically a brick that weighs in at 7300 lb with two people and a full gas tank. I'll keep it.
Freedom is not having the choice to do what you want, but the choice to do what you ought.
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Year: 2015
Make/Model: Chevrolet Silverado
Extra Info: 2500HD LT Z71 6.0L
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Re: 2004 2500HD 6.0l lifespan

Postby Cowboy2563 » Aug 31 2015, 4:35pm

Yeah the 6.0 is a proven motor but I wish they still put the 8.1 in the new trucks today. I would buy one. I know the gas mileage is horrible but I love the 3500 I drive with the 8.1 Its got good horsepower and it also will last a long time. Dads 8.1has 220k on it now. But oh well to get another 8.1 i'll just have to buy an older truck.
The Trucks:

2012 Chevy 2500HD Duramax (Daily Driver)
2007 GMC 2500HD Classic
2002 GMC 3500 (Hauler)
1980 Chevy K20 (Farm Truck/Project)
1978 Chevy C20 (Project)
User avatar
Cowboy2563
Combustion on 4 pistons [L2]
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Posts: 427
Topics: 35
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Joined: Mar 12 2015, 2:59pm
Years of membership: 4 years of membership4 years of membership4 years of membership4 years of membership
Location: Oklahoma
Year: 2012
Make/Model: Chevrolet Silverado
Extra Info: 2500hd 6.6 Duramax
Group Membership:
Registered users

Re: 2004 2500HD 6.0l lifespan

Postby Copperhead » Aug 31 2015, 7:49pm

Never really dealt with the 8.1, and my preference would be the 454. I could never get enough of the 454. I had one in a '73 El Camino SS and two 3/4 ton pickups. My last was a '98 2500. Was really apprehensive about the 6.0L in my 2015 2500, but I am quite pleased with it.
Freedom is not having the choice to do what you want, but the choice to do what you ought.
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Copperhead
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Make/Model: Chevrolet Silverado
Extra Info: 2500HD LT Z71 6.0L
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Re: 2004 2500HD 6.0l lifespan

Postby Cowboy2563 » Sep 01 2015, 12:12am

I plan on putting a 454 in my 1980 chevy. Right now its got a 350 but I want something bigger lol. Need some more horsepower.
The Trucks:

2012 Chevy 2500HD Duramax (Daily Driver)
2007 GMC 2500HD Classic
2002 GMC 3500 (Hauler)
1980 Chevy K20 (Farm Truck/Project)
1978 Chevy C20 (Project)
User avatar
Cowboy2563
Combustion on 4 pistons [L2]
Combustion on 4 pistons [L2]
Posts: 427
Topics: 35
Images: 1
Joined: Mar 12 2015, 2:59pm
Years of membership: 4 years of membership4 years of membership4 years of membership4 years of membership
Location: Oklahoma
Year: 2012
Make/Model: Chevrolet Silverado
Extra Info: 2500hd 6.6 Duramax
Group Membership:
Registered users

Re: 2004 2500HD 6.0l lifespan

Postby brjsilverado » Oct 12 2015, 10:58pm

Hey everyone. My '04 6.0 has 118K on it and runs strong. I'd have to agree that regular maintenance will be the determining factor on how long the engine lasts. I run Royal Purple in it and do religious maintenance on her. I'm expecting a long life out of the truck but will probably do a rebuild anyway around 200K - 250K as I have this crazy idea to have the block mic'd, stroked and over bored to reach a 454 equivalent.
2004 GMC Sierra 2500HD SLE 6.0 4L80E 4X4 CrewCab Shortbed
K&N FIPK II, Gibson catback, Diablo Trinity w/Diablo can tune
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Year: 2004
Make/Model: GMC Sierra
Extra Info: 2500HD CrewCab 6.0
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Re: 2004 2500HD 6.0l lifespan

Postby Copperhead » Oct 13 2015, 7:55am

While I did dearly like the 454, if it were me now trying to get more out of 6.0L, I would just supercharge it. The 6.0L is a very strong motor and cries out for supercharging. The result would be much better than just going larger and still be naturally aspirated.
Freedom is not having the choice to do what you want, but the choice to do what you ought.
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Copperhead
Shifting into Sixth Gear! [L3]
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Posts: 4335
Topics: 38
Images: 10
Joined: Jun 02 2013, 3:58am
Years of membership: 6 years of membership6 years of membership6 years of membership6 years of membership6 years of membership6 years of membership
Location: Iowa
Year: 2015
Make/Model: Chevrolet Silverado
Extra Info: 2500HD LT Z71 6.0L
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Registered users

Re: 2004 2500HD 6.0l lifespan

Postby 454bearcat » Nov 20 2015, 9:24pm

255,000 here. It smokes and has some tapping for the first 5 minutes, but after that it runs just fine. Has a refurb trans and tc in it at 250,000. This truck will absolutely get another engine in it when this one goes.
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Make/Model: GMC Sierra
Extra Info: 2500HD 6.0l 4l80e
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Re: 2004 2500HD 6.0l lifespan

Postby CrazyQuickDraw » Nov 20 2015, 9:51pm

Hell if you love your truck, you'll rebuild it and keep 'er runnin! That's what my uncle did with his F250, coming up on 600k now. All he had to do was rebuild a small section on the top-end.
2006 Silverado LT 4.8L 4x4
Silver Birch Metallic, Cranked Keys, 285/70R17 Toyo Open Country A/T II, 17x8 ATX Series AX185 Crawls, Straight Pipe, Airaid MIT
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Year: 2006
Make/Model: Chevrolet Silverado
Extra Info: 1500 4.8 4x4
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Re: 2004 2500HD 6.0l lifespan

Postby Stormus » Nov 24 2015, 5:35am

Another 6k on the clock - soon to be 430k miles. Exhaust leak popped up on me and I can't figure out where - Ticks like mad. Bolts on the manifold look fine, but that has to be the worst thing about this truck, minus the MPG. IF it ever goes while I still have her, it'll just get another LQ4 and another 200+ on the clock.
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Years of membership: 4 years of membership4 years of membership4 years of membership4 years of membership
Location: Denver
Year: 2005
Make/Model: Chevrolet Silverado
Extra Info: 2500HD 6.0 420k 4x4
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