How Is The New 6.6 Gas Engine?

New, more powerful 6.6L V-8 gas engine with direct injection for improved performance and increased trailering capabilities, with 22 percent more torque and up to 18 percent more towing capacity than the previous 6.0L gas engine, among other features.

Is the new 6.6 gas engine good?

The new 6.6-liter V8 gas engine proved to be more than enough for the majority of our tests. Its towing capability may go as high as 16,600 pounds, which means most weekend warriors will have no problem taking their boats to the lake or hauling their toy haulers with sand buggies in the back down to the dunes without having to shell out nearly $10,000 extra for a diesel vehicle.

Is the GM 6.6 a good engine?

The Chevrolet 6.6 is a solid engine in general, although it has several recognized issues.

What is the fuel mileage for a 6.6 gas engine?

Fuel economy and real-world miles per gallon (MPG) It got 14 miles per gallon on the interstate in our testing of the Chevrolet Silverado 2500HD with the gasoline 6.6-liter V-8.

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Is the new 6.6 gas engine a big block?

The engine is constructed of cast iron and has the classic Chevy small block dimensions. The displacement has been raised to 6.6 liters, and the compression ratio has been increased to 10.8 to 1. On normal octane, this engine produces 401 horsepower at 5,200 rpm and 464 pound-feet of torque at 4,000 rpm. It employs direct injection to achieve these results.

What cubic inch is a 6.6 Chevy motor?

With a cylinder size of 4.065 inches and a stroke of 3.86 inches, this engine displaces 400.76 cubic inches, which is comparable to the displacement of the current 396 Chevy, which displaces 402 cubic inches.

Is the 6.6 Litre Duramax a good engine?

Because it is the original Duramax model, the LB7 continues to be immensely popular among diesel aficionados, despite the fact that it does not have any emissions control components. In general, it is a fairly long-lasting and dependable engine in its class. However, as the first models approached the 100,000-mile milestone, a number of concerns began to surface.

Is the 6.6 gas a Vortec?

This gasoline engine, developed by General Motors for use in heavy-duty pickup trucks, is known as the L8T V8. Engine: 6.6 Liter V-8 L8T from General Motors.

GM RPO Code: L8T
Recommend Fuel: 87 octane
Power (hp / kW @ rpm): 401 / 299 @ 5200 (SAE certified)
Torque (lb.-ft. / Nm @ rpm): 464 / 629 @ 4000 (SAE certified)

What are the problems with the 6.6 Duramax?

It is common for the Duramax diesel from 2001 to 2016 to suffer from fuel hunger, air in the fuel lines, and difficulties bleeding the fuel system. Because these model year engines do not have an electronic low pressure lift pump to deliver gasoline from the tank to the injection pump, this is mostly owing to the fact that they are older in design.

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How long will a Duramax engine last?

The DuramaxTM 6.6L V8 Turbo Diesel Engine is backed by a guarantee that covers 100,000 miles/160,000 kilometers of operation. This vehicle has been tested to withstand a distance of up to 200,000 miles (320,000 kilometers). The DuramaxTM powertrain is engineered for dependability, peak horsepower, and torque while operating within its design parameters.

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

For the 2021 Sierra HD series, the 2500 level is equipped with a diesel engine that is capable of generating 445 horsepower and 910 pound-feet of torque, respectively. The highway fuel economy for this Duramax 6.6-liter V-8 is 17 to 19 mpg.

How much horsepower does a 2022 Duramax have?

GMC’s famed available Duramax® Diesel engine and 10-Speed Allison® Automatic Transmission continue to provide the utmost in pulling power, even as the 2022 Sierra Heavy Duty incorporates powertrain upgrades across the whole lineup. The Duramax® 6.6L Turbo-Diesel V8 engine produces 445 horsepower and 910 lb.-ft. of torque, which are both remarkable.

Is a 6.6 Duramax a big block?

For the sake of this discussion, the term ″large block″ refers to a Duramax engine that may have a similar displacement to that of a V8.

Is 6.6 a diesel or gas?

The all-new 6.6-liter gasoline V8 engine was created exclusively for heavy-duty applications. It will be available in the new Chevrolet Silverado and GMC Sierra HD pickup trucks. The gas V8 engine produces 401 horsepower and 464 pound-feet of torque. An new 6-speed automatic transmission complements the engine.

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