Any generation duramax will pull a 3 horse trailer handily. They all have their own quirks and issues that can be resolved, and once they are, you’ve got a reliable, strong truck for many miles. Most will say the 06-07 LBZ model to be the most desirable and reliable platform.
In respect to this, What is the most reliable Duramax?
Released in 2017, the L5P is the latest a greatest version of the Duramax. It is substantially more durable than previous Duramax models and features an impressive 445 HP and 910 lb-ft of torque. The L5P replaced the LML in Chevy Silverado pickup trucks.
Furthermore, How many miles does a Duramax last?
A poorly-maintained engine can quickly fall into disrepair before it even reaches the 100,000-mile mark while a well-maintained Duramax pickup truck should last 400,000 or even 500,000 miles.
Additionally, What is the most sought after Duramax?
Perhaps the most desired of all Duramax models are the ’06-’07 Classic body style trucks.
How many miles will a LMM Duramax last? GM has given the engine a 95% rating at 200,000 miles, meaning 95% of all engines should reach 200,000 miles of service, based on durability and wear. With careful and routine service – and a mindful driver, I’d expect many more miles than is indicated by GM’s conservative rating.
19 Related Questions Answers Found
What problems do LBZ Duramax have?
LBZ Weak Links
The LB7 and LLY engines were known for rod weakness, but the LBZ had trouble with its cast-aluminum pistons. In higher-power applications, the pistons were very prone to cracking. LBZ Duramax upgrades with larger injectors and a larger turbo caused the majority of failures.
How much HP can a Allison 1000 handle?
As you’ve probably deduced up to this point, the stock Allison will handle roughly 350 to 400-rwhp in five-speed form and 425 to 450-rwhp in six-speed trim. However, if you push things past that point the clutches will eventually slip and bring on the Allison’s notorious “limp mode” condition (i.e. limp home mode).
How much does it cost to replace injectors on a 6.6 Duramax?
How much does it cost to replace injectors on LB7? The total cost to have a mechanic replace 8 injectors on an LB7 Duramax can range from $4000 – $5000 CAD, depending on what other work is performed at the same time.
Is 100k high mileage for a diesel?
According to Prosource Diesel, anything over 350,000-miles is considered high mileage for a used diesel pickup with a Cummins or Duramax engine under its hood. Anything over 350,000-miles is also regarded as high mileage for a Powerstroke diesel engine.
Which is better Duramax or Cummins?
More horsepower means faster acceleration whether you’re towing or not. The current Duramax 6.6L L5P diesel wins this category with 445 horsepower. The current 6.7L 24V Ram Cummins diesel engines produce 400 horsepower. Historically, horsepower has swayed slightly in favor of the Duramax versus the Cummins line.
What year Duramax has injector problems?
What year Duramax has injector problems? The LB7 Duramax built from 2001 – 2004.5 is known for injector failure. The good news is the replacement injectors you purchase from us incorporate several updates to help prevent repeat failures.
What problems do LMM Duramax have?
5 Most Common LMM Duramax Engine Problems
- DPF system & active regeneration.
- Leaking transmission lines.
- Fueling / low fuel pressure.
- Piston / crankshaft failure.
- Allison 1000 power limitation.
How many miles will a Duramax 6.6 last?
GM has given the engine a 95% rating at 200,000 miles, meaning 95% of all engines should reach 200,000 miles of service, based on durability and wear.
What year Duramax has head gasket problems?
In the GM world, the 2004.5-2005 LLY engine seems to be the worst for having gasket failures. These years seem to have temperature issues and I believe it’s because of this, that we see these trucks more than any other Duramax for head gasket issues.
How many miles will an Allison Transmission last?
Like toypuller said, on a 100% stock motor, and when properly maintained they seem to pretty much last indefinitely. If you severely overpower it, you can kill it within 100 miles if you want.
How much horsepower can a stock LLY Duramax handle?
Without engine work, the stock LLY can put out ~500rwhp.
How much horsepower can a stock LBZ transmission handle?
Dont go over 100hp on a stock tranny. while i agree with you the tranny can handle quite a bit as long as its not dead start full throttle launches. if you roll into it while moving it should be fine. ive read some guys are running 200+ hp tunes with a gentle foot just fine.
How do I know if my Duramax needs injectors?
Symptoms of Failing Duramax Fuel Injectors
- Excessive Smoke.
- Power Loss.
- Rough Idle.
- Fuel in Oil.
- High Return Fuel.
- No Start.
How much does it cost to replace a Duramax engine?
Depending on on the rebuilder, a Duramax engine replacement is going to cost at least $15,000. Depending on the year and other potential issues or wishes of the customer, you could expect a range likely between $15,000 and $25,000 for Duramax engine replacement.
How long do new LB7 injectors last?
For most buyers the first set of injectors will likely have already been taken care of since the failure usually occurs between 100,000 and 150,000 miles.
Do diesels need to be driven hard?
Driving an old diesel hard may well have shifted any soot build up but to clear any build up in the DPF a regeneration is required, it simply cannot be blown out even though some maintain it can, its an urban myth. Regens take place when required and are controlled by the ECU, you cannot force one yourself.
How many miles will a 5.9 Cummins last?
The Cummins brand is extremely reliable and prides itself on long-lasting engines. The 5.9-liter engine can expect to churn out 300,000 to 400,000 miles.
Is it OK to buy a diesel truck with high mileage?
Generally speaking, diesel trucks are sold with higher mileage than the typical used vehicle. It is not uncommon to see a used diesel truck for sale with over 200,000 miles on it. Granted, diesel engines typically have better reliability than a gasoline equivalent, but high mileage remains a concern.
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