Category: Engines

By on January 31, 2017

2017 Ram 1500 Laramie Limited Crew Cab 4x4

Spy shots are circulating that show a current-generation Ram 1500 pickup with something missing under the hood.

The picture on the side of the milk carton contains at least two cylinders, as this unusual Ram variant has dispensed with Fiat Chrysler Automobiles’ familiar V6 and V8 engines. Yup, this Ram packs an inline-four. Read More >

By on January 17, 2017

2018 Ford Mustang

After luring journalists away from last week’s Detroit auto show for a sneak peak, Ford is ready to show the world its new 2018 Mustang.

That face. Online backlash was moderate to severe when leaked b-roll footage of the new ‘Stang appeared online last night, with some wags claiming the updated model must be unhappy. Beneath the downturned face, however, there’s a host of upgrades designed to satisfy performance-minded enthusiasts.

On that front, ‘Stang purists can breathe a sigh of relief. The 5.0-liter Coyote V8, rumored to be replaced by a 4.8-liter unit, won’t disappear after all. But one long-running engine choice had to skip this party to attend its own funeral. Read More >

By on January 16, 2017

mazda skyactiv

While it wasn’t the only car company to make use of a rotary engine, it was certainly the only one to be competitive with them when pistons and pushrods would easily have sufficed. However, those days are gone. Mazda’s SkyActiv technology is well suited for squeezing out an engine’s true potential, but it doesn’t feel particularly quirky or unique.

That could change with the company’s second generation of SkyActiv engines. Mazda is one of only two automakers planning to introduce a motor with homogenous charge compression ignition (HCCI) sometime next year. If you’re unfamiliar, that’s a direct-injection gasoline-powered motor that uses compression, not spark, to ignite fuel — something typically reserved for diesel powerplants. Read More >

By on January 12, 2017

2015 Ram 1500 EcoDiesel HFE

The Environmental Protection Agency calls the emissions control devices found on diesel Jeep and Ram vehicles a “clear and serious violation of the Clean Air Act” — something the CEO of Fiat Chrysler Automobiles isn’t very happy about.

In their morning announcement, EPA officials claimed the automaker hasn’t done anything to prove the devices found on 2014-2016 EcoDiesel models aren’t regulator-tricking “defeat devices.” According to Brent Snavely of the Detroit Free Press, Sergio Marchionne is mighty steamed, calling the insinuation of cheating “unadulterated hogwash.”

So, what are these eight auxiliary devices, and what penalty could the automaker face if found in violation of the law? Read More >

By on January 8, 2017

2018 ford f-150

Being on top doesn’t mean a company can take its customer base for granted. Not satisfied with basking in the goodwill generated by the F-150’s best-selling status, Ford Motor Company has unveiled a refreshed 2018 model and a host of new hardware upgrades.

While the upcoming F-150 sports an evolutionary facelift, it’s what’s under the hood that stands to tempt a new range of buyers. Read More >

By on December 30, 2016

infiniti-qx50-concept-jpg

Infiniti has had enough of the QX50’s voluptuous curves.

An edgier future awaits the brand’s midsize crossover, as shown by photos of the QX50 “Concept” released ahead of the North American International Auto Show. If this concept looks almost production-ready, that’s because it is.

Borrowing heavily from the earlier QX Sport Inspiration concept, the QX50 Concept’s updated design language isn’t the only way Infiniti plans to lure prospective buyers. Underneath the newly creased sheetmetal beats a very different kind of heart — one two decades in the making. Read More >

By on December 27, 2016

2017 Chevrolet Corvette Grand-Sport overhead view (Image: General Motors)

It appears the Chevrolet Corvette is in line to receive a new dual-overhead cam V8.

An internal GM document detailing 2018 model year VIN codes was posted to the GM Inside News forum, and down on page five is buried treasure: “Passenger Car Engines for GMNA.”

The very last entry is a unicorn — the long rumored LT5 small block. General Motors lists the engine as “GAS 8 CYL, 6.2L, SIDI, DOHC, VVT, ALUM, GM” under code “Y”, which denotes the Corvette family. Read More >

By on December 21, 2016

2016 Ford Mustang GT

Prepare to kiss a famous displacement goodbye.

Ford’s 5.0-liter “Coyote” V8 has dutifully powered variants of the automaker’s Mustang and F-150 since 2011, instilling the brand’s pony car with the kind of heritage that can only be squeezed from 302 cubic inches.

Well, time (and technology) marches on, and Ford’s lower-shelf V8 is due for a replacement. According to a recent report, the Blue Oval folks aren’t choosing sides when it comes to the best way to squirt gas into the new mill. Read More >

By on December 14, 2016

2015 Volkswagen Golf TDI

Volkswagen and Audi have begun buying back the thousands of 2.0-liter diesel cars sold involved in its emissions cheating scandal. The deal requires the company to offer buybacks to the 475,000 affected owners. However, the settlement does not carefully outline what condition those returned vehicles have to be in.

Some owners are taking that inch for the full mile and stripping their VWs down before returning them to the company to get their big fat check.

Read More >

By on December 13, 2016

Toyota Yaris Gazoo WRC

As it prepares to return to the World Rally Championship after a 17-year absence, Toyota and its Gazoo racing division just revealed a piece of brain candy for hot hatch lovers.

Making sky-high horsepower from its diminutive four-cylinder, the Toyota Yaris WRC hits the pavement — and dirt and snow — in Monte Carlo next month, but the vehicle itself could spell a less buttoned-down future for the brand. Read More >

By on December 10, 2016

Toyota Dynamic Force engine

(Update: Specifications for the 2.5-liter engine have been added.)

Dynamic Force. It sounds like the name of a military offensive from the early 2000s, but it’s also the name of Toyota’s next-generation gasoline powerplants.

The automaker has revealed the first of a slew of new engines that should power 60 percent of its vehicles within five years. Oh, and there’s new transmissions and hybrid components to go with them. Read More >

By on December 7, 2016

2016 Nissan Titan XD PRO-4X Grille, Image: © 2015 Mark Stevenson/The Truth About Cars

Nissan and Renault consummated their marriage in 1999, but some family members still aren’t happy living under the same roof.

In an effort to put a lid on infighting, Renault-Nissan has asked its head of powertrain engineering to take a walk, replacing him with a company veteran who — the company hopes — can bring both sides together.

The alliance needs a hug-filled happy ending in a hurry, as regulators are gunning for the automaker’s not-so-clean engines. Read More >

By on November 28, 2016

Jaguar straight 6 engine

As a parent of two young children, I watch a lot of movies at home. Most of the blockbuster movies I’ve watched this year are remakes. This month alone, I watched Ghostbusters, Star Trek Beyond, and Star Wars: The Force Awakens. All three are part of franchises that died a decade (or more) ago and have been reborn successfully in 2016.

In the same way, inline-six engines have returned to Mercedes-Benz after nearly a 20 year hiatus in North America.

Why are straight six engines making a comeback?

Read More >

By on November 26, 2016

FreeValve engine (Image: Koenigsegg Automotive AB)

A Swedish company with close ties to a hard-to-spell supercar maker has thrown a wrench into the automotive world, unveiling a production-ready piston engine that doesn’t use a camshaft.

Developed by FreeValve AB, which isn’t a Nordic Lynyrd Skynyrd cover band, the new engine technology ditches a camshaft for other modes of valve actuation, gaining power and efficiency in the process. Unlike some other touted internal combustion engine advancements, this technology already has a customer. Read More >

By on November 22, 2016

2016 Ford Mustang GT Convertible

The Ford Mustang entered the world with a 170 cubic inch inline six, but heritage alone likely won’t be enough to keep the six-cylinder ‘Stang alive.

Product information from Ford’s ordering system has appeared online, and a 3.7-liter V6-powered version of the 2018 Mustang is nowhere to be seen.  Read More >

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