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Question Of The Day: Most overlooked heroic engine?

All of us know that the small-block Chevrolet V8 was a masterpiece of engineering that made the high-performance overhead-valve V8 affordable to the masses, and that the Mercedes-Benz OM617 diesel is basically immortal, and that the Toyota R engine defined what it means for a vehicle to be considered Warlord Grade. The AMC straight-six. The Model T engine. The Volvo Redblock. Those engines get the respect they deserve. But what about the engines that we don't think much about, the ones that worked hard in their millions and somehow missed attaining legend status? The list of engines beloved by their aficionados but not thought of often by the rest of us goes on and on: the Renault Ventoux, Mitsubishi 4G1, MeMZ-968, and so on. But my vote goes to the Chrysler flathead straight-six. This engine was produced starting in 1929 and was still being made for stationary industrial use in the early 1970s. It powered just about every type of Chrysler vehicle made for decades, hauled supplies for all the major Allied armies in World War II, and was even developed into a five-bank, 30-cylinder tank engine. It was simple and reliable and outlived most of its competition, and you rarely hear much about it these days. What's your choice?

Stellantis aims to eliminate separate inverter, charger to improve EV efficiency

Stellantis has announced that, in collaboration with French battery company Saft and French National Center for Scientific Research, has made significant progress in eliminating two major components of an electric vehicle powertrain: the on-board charger and the power inverter for the motor. The company claims that doing this will allow for better space use in vehicles, as well as improvements in efficiency, cost and reliability of components. As a quick primer, also explained in the below video, the on-board charger and power inverter are sort of translators to get the right current to different parts of the electric powertrain. The on-board charger takes AC power from the grid and converts it to DC to charge the batteries. Then when power goes from the batteries to the electric motor, the power inverter converts that DC power back to AC. These components aren't exactly small. Frequently you'll find them packaged somewhere under the hood. What Stellantis and its cohorts have developed, and have been using on a test vehicle since last summer, are small power inverter boards that can be mounted very closely to the battery packs. They can handle both conversion needs, for charging and discharging, instead of needing two separate devices. The most obvious perk to this is that you can do away with those traditional components and free up more space, either for making smaller vehicles without losing interior volume, or adding space to a vehicle that wouldn't have had it otherwise. There's the additional benefit of reduced weight, something that EVs struggle with. Stellantis also claims improvements in efficiency, reliability, and cost, however, it didn't go into detail as to how this setup would do that exactly. We'll try to get in touch with representatives from Stellantis in order to get more information. We're still a ways out from seeing this technology in production Stellantis vehicles. The company said it aims to apply it to vehicles by the end of the decade. Saft is also looking at using it on stationary battery systems as well. So maybe we'll see it on a 2029 Ram 1500 REV, but for now, we'll be living with traditional chargers and inverters. Related Video: Green Alfa Romeo Chrysler Dodge Fiat RAM Technology Electric

Ram helps power Chrysler to 11% gain in May

Increasing consumer demand for Ram pickup trucks and big SUVs has helped to boost May sales for Chrysler. Ram sales were up a total of 24 percent year-over-year for the month of May. In addition, Dodge sales increased by 23 percent in May, with the standout Durango clocking a 24-percent year-over-year improvement (with an updated 2014 model in the wings, incentives are thick on the ground for 2013 inventory). Fiat and Jeep were up only a modest one percent, however, and Chrysler brand sales were down by two percent against last year's figures.
Chrysler is quite pleased overall with brand performance, saying that this May marks the company's strongest in the past six years. It was also the 38th consecutive month showing year-over-year sales gains.
Eight of the automaker's vehicles set sales records for May, as well: Jeep Wrangler and Compass, Dodge Avenger and Challenger, Fiat 500, Chrysler 200 and Ram pickups. Scroll down to read more detail in Chrysler's press release.