It is considered the best post-emissions Duramax engine, as previous issues with the injection pump and emissions systems have largely been fixed. The 6.6L L5P Duramax offers a quieter ride with more horsepower, torque (445 horsepower and 910 pound-feet torque) and power ratings than previous engine versions.
What is wrong with the 2022 Chevy 6.6 gas engine?
GM has issued a Service Update for certain 2022 Chevy Silverado HD trucks over an issue related to the crankshaft balancer. The problem: GM has determined that certain 2022 Chevy Silverado HD units equipped with the 6.6L L8T gasoline engine were shipped with a crankshaft balancer that was not fully seated.
What problems do 6.6 L V8 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.
How many MPG does a 6.6 gas get?
2022 Chevy Silverado 2500 HD MPG
The 6.6-liter gas engine returned 14 mpg on the highway, while the diesel unit achieved 19 mpg.
Is the Chevy 6.6 a good engine? – Related Questions
What transmission comes with 6.6 gas?
An Allison 10-speed automatic transmission will, for the first time, be standard on both 6.6-liter gas and 6.6-liter Duramax turbo-diesel engines.
Is the new Chevy 6.6 gas a big block?
GM 6.6 Liter V-8 L8T Engine
It is part of GM’s fifth-generation Small Block engine family and made its debut in the all-new 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD. The 6.6L V8 L8T is built on a cast-iron Small Block, enabling it to have long-term durability.
How much horsepower does a 6.6 gas engine have?
6.6L V-8 L8T Features
Direct injection technology provides precise fuel control and enables a higher compression ratio that broadens the torque curve and contributes to a power output of 401 hp. This broad torque band provides a stronger feeling of on-demand power at all speeds.
Is 6.6 gas a flex fuel?
The Outs of the 2021 Silverado HD Performance
The 6.6-liter L8T V8 gas engine has been outfitted with direct injection E85 FlexFuel capability, available on the base Work Truck trim.
How much HP does a Chevy 6.6 gas have?
Customers can choose a new, standard 6.6L V-8 gas engine with direct injection, rated at 401 hp and 464 lb-ft of torque.
How much can a 6.6 gas engine pull?
Chevy Silverado Towing Capacity: 6.6L V8 Gas Engine:
With this engine, you can expect a towing capacity of 14,500 pounds when equipped with the 2022 Silverado 2500 HD Regular Cab Long Bed 2WD and 17-inch wheels.
Which 2500 gas truck is best for towing?
Truck towing capacity for gasoline-powered vehicles makes the Ram 2500 the top contender. This truck is able to have a maximum towing capacity of up to 15,220 pounds. While other trucks may come close to this towing capacity, this truck truly dominates this class.
How many MPG does a Chevy 2500 gas get?
Based on data from 44 vehicles, 2,158 fuel-ups and 643,207 miles of driving, the 2021 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.47 with a 0.18 MPG margin of error.
Is the 6.6 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.
How many miles per gallon does a 6.6 L 8 cylinder gas engine get?
This Duramax 6.6-liter V-8 gets 17 to 19 mpg on the highway.
How much can a 6.6 L V8 gas tow?
Below, you can find more details about the 2021 Chevy Silverado 2500 engines: 6.6L V8 Gas Engine: This engine earns a maximum towing capacity of 14,500 pounds when paired with the Regular Cab Long Bed 2WD, 17-inch wheels, and available fifth-wheel or gooseneck hitch. Generates 401 hp and 464 lb-ft of torque.
How much oil does a 2500hd 6.6 gas take?
Engine Oil
Capacity: 10 quarts (with filter).
Does GM 6.6 L require premium gas?
GM recommends using 93 octane gasoline for its top-of-the-line 6.2-liter V-8-equipped trucks. The owner’s manual does state as low as 87 octane is acceptable for the engine. However, to achieve maximum performance and fuel economy you must use 93.
Is a 2500HD a 1 ton?
With a gross vehicle weight rating (GVWR) of 6,800 pounds, the Silverado 1500 is classified as a half-ton pickup truck. The 2500HD has a GVWR of 10,000 pounds, which makes it a ¾-ton truck. Finally, the 3500HD falls into the one-ton category with its 10,750-pound GVWR.