Why are LBZ the best Duramax?

The LBZ employed a thicker engine block casting, meatier connecting rods, and a higher pressure common-rail fuel system. This gave it more power and reliability versus any other Duramax to that point.

Are 6.6 Duramax reliable?

The 6.6-liter Duramax diesel engine is one of the main motors you will find in General Motors (GM) trucks. While these engines are extremely durable and reliable, they do have some problems. Here are some common Duramax diesel engine problems and what can be done to fix them.

What year Duramax has the most horsepower?

L5P. The L5P duramax is the latest version of the Duramax V8 diesel engine. (engine code Y) Introduced in the 2017 model year it is the most powerful diesel pickup truck engine GM has produced with 445 hp (332 kW) at 2,800 rpm and 910 lb⋅ft (1,234 N⋅m) at 1,600 rpm.

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Why are LBZ the best Duramax? – Related Questions

How many miles per gallon does a 6.6 Duramax diesel get?

This Duramax 6.6-liter V-8 gets 17 to 19 mpg on the highway.

Is powerstroke better than Duramax?

Both the Ram’s Cummins (seen above) and Ford’s Power Stroke can pull over that amount, but the Duramax lags with a total towing capacity of 23,300. The Power Stroke wins here again with a total towing amount of 34,000 pounds versus Ram’s 31,210 pounds.

What is the most powerful Duramax?

On May 9, 2007, DMAX announced the production of its 1,000,000th Duramax V-8 engine, the most powerful engine on the market in the segment.

What is the fastest stock Duramax?

NGM Diesel: 6.53 & 200.77 MPH

Not only is Moody’s rail the quickest (and fastest) Duramax drag racer on the planet, but it’s not too far off the pace of the overall record of 6.31 and 226 mph held by Scheid Diesel.

How much HP can a 6.6 Duramax have?

6.6L L5P Features

This next-generation redesign offers more horsepower and torque than ever — an SAE-certified 445 horsepower (332 kW) and net 910 lb. -ft.

How much HP can a 6.6 Duramax handle?

Factory 6.6L Duramax engines will make 300 to 397 flywheel horsepower depending on the model. Virtually any model can be bumped up to around 600 hp (about 480 rwhp) with simple computer tuning, provided that the turbocharger and fuel system are in good working order.

What problems does the 6.6 Duramax have?

Some things to watch out for include problem starting, excessive smoke, lower gear selection, poor fuel economy, a loss of engine power, lower RPMs, and excessive noise. While several possible fuel system problems exist, the 6.6L Duramax consistently has two.

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How high can you rev a Duramax?

So what limitations does the Duramax engine have? First of all, we know that the stock engine can’t run past 5000 RPM reliably. The ECU has internal limitations that prevent operation of the fuel system at higher RPMs, and the pistons head starts to separate from the rest of the piston body.

How much does it cost to replace a 6.6 Duramax engine?

How Much Does it Cost to Replace a Duramax Engine? It can cost upwards of $10,000 to replace a Duramax engine. This cost can be even higher if the engine is not under warranty. The average cost of a Duramax engine is between $8,000 and $9,000.

How often does a Duramax need an oil change?

To keep your Warranty from voiding, you will need to follow your vehicle’s manufacturer recommendations, change your vehicle’s oil before 7500 miles, or at least once a year, whichever occurs first. My manufacturer recommends changing the oil between 5,000-7,000 miles.

What is the life expectancy of a Duramax?

Overall, a properly cared-for Duramax engine should last over 300,000 miles. However, consumers report having Duramax’s lasting in the 500,000-mile range! Nonetheless, proper maintenance is a must to increase the life expectancy of your engine.

Is Chevy discontinuing the Duramax?

So, if you’re looking for a Chevy Silverado 2500 HD or a GMC Sierra the big 6.6 is your go-to. But for the 1500, GM is discontinuing the old 3.0-liter Duramax, which is internally known as the LM2, and replacing it with the next generation LZ0 for 1500 truck duty.

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Why is GM buying back Duramax?

GM Authority reported previously that GM had agreed to repurchase certain units of the Chevy Silverado HD and GMC Sierra HD due to apparent quality issues with the 6.6L L5P V8 turbodiesel Duramax engine.

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