The 6.6L L8T gasoline engine replaces the 6.0L V-8 in Chevrolet and GMC 2500HD/3500HD applications. At 401 horsepower and 464 lb-ft of torque, the 6.6L offers significantly greater performance than the 360 horsepower, 380 lb-ft 6.0L V-8.
How much HP does the new 6.6 gas engine have?
An all-new 6.6-liter gasoline V-8 bumps base-engine output to 401 horsepower and 464 lb-ft of torque over last year’s 6.0-liter Silverado HD gas engine, which generated 360 horsepower and 380 lb-ft of torque.
How much horsepower does a 6.6 have?
General Motors’ 6.6-liter Duramax V8 is the modest one of the bunch with “just” 445 horsepower and 910 pound-feet, though it’s certainly capable of more.
Does Chevy make a 6.6 gas engine?
A new 6.6L V-8 gas engine elevates the 2020 Silverado HD’s standard performance and capability, now with gasoline direct injection.
|Type:||6.6L V-8 gasoline|
|Horsepower (hp / kW @ rpm):||401 / 299 @ 5200 (SAE certified)|
|Torque (lb.-ft. / Nm @ rpm):||464 / 629 @ 4000 (SAE certified)|
How much horsepower can you get out of a 6.0 Vortec?
They can handle about 800 hp and 7,000 rpm in boosted applications (at least for a while). They are likely to bend before they break when subjected to real track conditions. If you’re getting forged pistons, upgrade to forged connecting rods at the same time.
Is the new 6.6 gas engine good?
We enjoyed the new gas engine with its smooth throttle control and good power for those who don’t need the ridiculous amounts of torque that the diesel puts out. The engine bay is much more open than the diesel and doesn’t have all the additional emissions stuff that the diesels do.
Is the new 6.6 gas engine 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.
Is LMM or LML better?
LML is arguably a better engine but there are issues with DEF on all makes; Ford, Ram and GM. LMM emission controls have proved to be as reliable as any. I’d go with the newer truck but it’s your decision.
What is a Vortec 6000?
The Vortec 6000 is a V-8 truck engine. Displacement is 5,967 cc (6.0 L; 364.1 cu in) from a bore and stroke of 101.6 mm × 92 mm (4.00 in × 3.62 in). It is an iron/aluminum (1999 & 2000 model year engines had cast iron heads) design and produces 300 to 345 hp (224 to 257 kW) and 360 to 380 lb⋅ft (488 to 515 N⋅m).
What Duramax has the most power?
Which Duramax 6.6L Engine is the Best?
- LB7: 2001-2004. The LB7 is the original production 6.6L Duramax V8. …
- LLY: 2004.5-2006. With the Garrett GT3788VA, the LLY Duramax has the largest turbocharger in it out of any other 6.6L Duramax variation. …
- LBZ: 2006-2007. …
- LMM: 2007.5-2010.
What is the biggest gas motor Chevy makes?
The 6.6L V-8 L8T is the largest GM gasoline engine “for the time being.” We keep hearing that phrase in different forms and contexts from sources far and wide. The displacement of the other engine will be “well over” 8.0 liters.
How many liters is a 454 engine?
For 1970, the Big-Block was expanded again, to 454 cu in (7.4 L), with a bore x stroke of 41⁄4 in × 4 in (108.0 mm × 101.6 mm).
What is the biggest Chevy gas engine?
The 8.1L is a big bore, big stroke engine with a near square bore-to-stroke ratio and a ~5,000 RPM redline.
GM 8.1L Vortec V-8 Engine Specs (Vortec 8100)
|Engine:||General Motors Vortec 8100|
|Peak Horsepower:||330 – 340 hp @ 4,200 rpm (truck, van, SUV applications)|
Which 6.0 LS is the best?
The LQ4 6.0L is good, but the later LY6 is even better!
- Both the LQ4 and LY6 featured iron 6.0L blocks, but the LQ4 featured a Gen 3 versions, while the LY6 offered an improved Gen IV block.
- The LQ4 featured dish pistons that combined with the chambers in the 317 heads to produce a static compression ratio of 9.4:1.
Which LS engine is strongest?
In stock form, an LS7 makes 505 horsepower and 470 pound-feet of torque making it the most powerful naturally aspirated engine that General Motors has ever put in a production car.
What is the best LS engine for boost?
If you’re planning on boosting your project the 4.8L truck engine will be perfect for you. The 4.8L can take insane amounts of boost completely stock and will really perform well. If you don’t want a barebones 5.3L or 4.8L you could always step up to a 6.2L truck block which is based on the LS3 engine.