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Discussion Starter · #1 ·
Hello,I have a 2006 Cummins 5.9. It’s stock besides a lift kit and I needed injectors at 104K. Currently at 133K. My question is,how can kids put tuners on these things and beat the crap out of them and nothing happen,I religiously maintain mine and don’t drive it hard at all. (I get it up to temp). At my work place there’s lots of diesels started cold and ran hard. Why is mine,if I hit a quarter in the road somethings wrong yet everyone else has no problems?
 

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I bought my 03 at 50k miles, the truck wasn't driven much and as such I had to replace the front hubs, axle ujoints, at 65k,new steering at 70k, rear ujoints and general maintenance since then.
I installed 2 fuel filters pre oem filter housing at 70k as well. Since then just general maintenance and no problems to date. The truck has just shy of 134k right now.
I think it's just luck of the draw as to whether you get one that is needy,( think women), or just blind luck.
Larry
 

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I would say stop babying it.

Have you owned since new? If not it’s a crap shoot.

I’ve never understood how guys buy a truck and are afraid to use it, they don’t go a mile over their oil change interval without freaking out, they’re super scared to drive it in the rain or something ridiculous but the rest of us get in and drive and let er eat. Not saying you’re that, but there are countless threads on here treating trucks like a dainty little flower

Ultimately, on here, guys say you need this; need filters, need upgraded lift pump, need free spin hubs, this that and the other, or it won’t last. And that’s total BS
 

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The guys that baby these things are meticulous on upkeep, slightest noise, bounce, stumble, vibration, and they don’t stop until it’s fixed. The guys beating on them probably have a list of crap that needs to be done but it’s not a priority until their stacks are polished and there 24’s are bedazzled.
 

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Discussion Starter · #9 ·
My truck is my daily driver,is it a dainty flower or is it a beast? I drive it nice and reasonable and it always has something going on. I bought it at 97K miles. 1 owner. It’s been serviced and had all the filters changed and oil. At my work there’s a switcher that uses the 5.9 and they get in it and start hauling immediately while cold! If I did this kind of stuff in mine it would surly break,or be irreversibly damaged!…..or would it?
 

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Generally, it seems that people who work their trucks on a regular basis get better life out of the engine. The injectors do better when they have a load behind them from time to time and can get the temps up enough to burn off the carbon buildup. The u-joints, driveshafts, steering components, suspension components, etc. are really just wear items that will need regular maintenance/replacement. There are upgrades available that can help out a lot but if you keep your truck running then they will need attention. Injectors are also a wear item that usually don’t last more than 150k miles. Some have gotten more and some less. You can look into running ATF and 2-stroke oil in the fuel. Some have had good results and others swear it’s terrible. You can check into it and decide for yourself.
 
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Why do you say, “it will surely break, or will it?”
How are we supposed to know?
Do you also experiment with kerosene in the fuel tank?

Drive your truck, when something needs to be replaced, replace it.
I’ll tell ya, if I still had a pre-emissions truck, I wouldn’t have a care in the world.
 
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I ain't meticulous about my my truck, I use it. Don't have any chrome stacks or rims to polish. I have a TRUCK and I use it as such also daily drive it. When something needs attention it gets it. If its an interior squeak or something similar it can wait. Roll the windows down turn the radio up. It's a truck ment to be driven, pull/haul a load of whatever.
 

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About as tough as a hogs rooter
 

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Hello,I have a 2006 Cummins 5.9. It’s stock besides a lift kit and I needed injectors at 104K. Currently at 133K. My question is,how can kids put tuners on these things and beat the crap out of them and nothing happen,I religiously maintain mine and don’t drive it hard at all. (I get it up to temp). At my work place there’s lots of diesels started cold and ran hard. Why is mine,if I hit a quarter in the road somethings wrong yet everyone else has no problems?
They love to be used as engineered. Haul,carry a camper or tow. They love to work.
 

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Yup, one is doing no service to the truck babying it. It’s made to work hard, not be a daily driver.

Suspension and steering really depends on driving conditions. I’m not sure what your “lift kit” consists of, but those are generally horrible for the truck overall if it was. POS lifts (most are), coupled with the obvious big heavy will continue to wear out all the suspension and steering parts faster than stock. Exceptions aside, of course.

Injectors, I mean 104k sucks for sure. I got a buddy that got over 400k on his stockers. What kind of fuel filtration have you been using? Stock? Have you been using OEM filters or crap imported china filters from the parts stores? Are you sure you even needed injectors too be changed and you didn’t get had by a shop?
 

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Maintenance and how it is used has a lot to do with how it will perform .... Stiction eliminator in the oil and the atf/2so (the mix... newbies guide thread) in the tank. . read that 50k service cost thread i did. My unloaded daily driver had more performance related problems in the first 300k or so miles before doing the 2 things listed. Now at 482k performance never changes and it has become a rock solid truck.

Beyond the driveline, for me stock is king...
 

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Besides driving it resonable and getting it up to temp and plugging it in during winter,how do I get this thing to last?
If you needed injectors at 104k on a 2006 most common cause is bad fuel.
Pretty common issue with these trucks if fuel quality is subpar.

Front end is carrying 1100 lb engine not designed for it, throw a lift and tires on it and worsens the issue.

Can research/learn what upgrades can help your particular situation in Newbies Guide here
 

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Front end not designed for nearly 1200lbs?? These trucks were designed when the Dodge/Cummins marriage was nearly a decade and a half old. They were absolutely 100% designed for it…at a time where the Cummins took probably 75% or more of sales.
 

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As far as post #1... I'm a believer in 2mic filters... and they don't need to be expensive. I've done it for $37, plus the FG filter. No need for overpriced LPs either... pressure is pressure. Filtration is NOT BS!
I put bigger turbos on my CTD and (properly) tune them so I don't get bored to tears, towing over mtn. passes. I use all the power they can muster, and I haven't hurt one yet.
 

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Discussion Starter · #20 ·
I read all replies! My lift kit is a 5” (rough country Frankenstein/other parts) lift. Bilstine 5100 shocks and airbags in the rear that don’t work. I want to get a duel CAT/Baldwin fuel filtration system and a bypass amsoil system. I hear exhaust manifolds crack too. I get my deisel at a popular station where it’s circulated regularly. I’ve put too much money into the “million mile” Cummins to sell it now. I don’t even need a million miles I just want 5000 issue- free miles at a time at this point. :mad:
 
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