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Volvo Polestar reveals new V8 Supercars engine

Volvo may be better known for turbo fives and inline fours, but in 2005 it launched the XC90 with a new eight-cylinder engine built for it by Yamaha. Fast forward to this past June when Volvo announced its intention to enter Australia's V8 Supercars series, where it would compete with the likes of Ford, Holden, Nissan and Mercedes-AMG. This is the engine with which it intends to do so.
Revealed this weekend at the Sydney 500, this competition-spec powerplant is based on the same B8444S that powered the XC90 and S80 (not to mention the Noble M600), but tuned for racing duty to be shoehorned into the new S60 touring car. The 60-degree aluminum block has been bored out from 4.4 liters to 5.0, its compression ratio boosted to 10:1, modified to run on E85 bio-ethanol and its redline increased to 7500 rpm. Volvo also promises a unique engine note from its new racers.
While Volvo and its racing partner Polestar haven't released official output numbers, regulations call for outputs between 620 and 650 horsepower - in any event, a whole lot more than the 311 hp it produces in stock form. (Noble managed to squeeze that much out of the same block, but that required twin turbochargers while this unit remains naturally aspirated.) Scope out the details in the press release below and the photos from the reveal in the gallery above.

IIHS updates overlap test: 2 SUVs get good marks, 9 fare poorly

Vehicles in crashes keep occupants safe by deforming around the cabin in a way that maintains cabin integrity. The Insurance Institute for Highway Safety's moderate overlap test, introduced in 1995, has been a huge contributor to improved safety for front-row passengers in a crash. IIHS President David Harkey said, "Thanks to automakers’ improvements, drivers in most vehicles are nearly 50% less likely to be killed in a frontal crash today than they were 25 years ago." In the 'unintentional side effects' column, crash safety has gotten worse for passengers in the back seats. When carmakers reengineered the front crash structure to protect the driver, more crash forces got distributed throughout the rear. IIHS research claims rear passengers have a 46% greater risk of fatal injury than front-row passengers, but back-seaters haven't benefited from the same upgrades in safety as the front row. The IIHS updated its moderate overlap test to address the issue, putting 15 vehicles through the new regime. Two earned good ratings — the 2023 Ford Escape and the 2021-2023 Volvo XC40 — one was acceptable, three were marginal and nine were rated poor. Every one of the crossovers sampled got good marks for all passengers in the original test. That test sees 40% of vehicle's width on the driver's side impacting an aluminum honeycomb barrier at 40 miles per hour. The updated test puts a crash dummy representing small woman or 12-year-old child in the seat behind the driver, the dummy's sensors and grease paint measuring the effectiveness of the restraints and the forces a human body would need to endure. To achieve a good rating, the "measurements must not exceed limits indicating excessive risk of injury to the head, neck, chest, abdomen or thigh." An institute engineer said, "In real-world crashes, chest injuries are the most common serious rear-seat injuries for adults." The sensors and video evidence showed back seat dummies in the Escape and XC40 endured minimal risk of injuries from excessive crash forces, from submarining under the seat belt, or from unwanted interaction with the side curtain airbag.   The Toyota RAV4 scored acceptable. The second-row dummy also endured minimal risk of injury to the chest and lower extremities. However, the lap belt slipped upward in a way that could increase abdominal injuries, and after the dummy's head dipped during crash impact, the head came back up between the rear curtain airbag and rear window.

Euro-market Volvo C40 Recharge and XC40 Recharge add efficiency, range

Volvo's tweaked the powertrain specs for the C40 Recharge and XC40 Recharge in Europe in both front- and all-wheel-drive trims. (We don't get the FWD versions here, only the AWD models.) First reported by CarsUK as a rumor, Autocar dug into the details after the new models hit some EU configurators. The big change there is that the front-drivers are now rear-drivers, engineers moving the single motor to the rear axle in the name of efficiency. The battery in the single-motor cars stays the same size at 67 kWh, but motor output rises from 228 horsepower to 235 hp. Even better, the C40 Recharge goes from an estimated 270 miles on a charge to 296 miles, the XC40 Recharge goes from an estimated 260 miles on a charge to 286 miles on the WLTP cycle. The AWD Recharge Twin trims get a larger battery, swapping the 78-kWh unit (75 kWh usable) for a 82-kWh unit (78 kWh usable). Their motors put out the same combined 402 hp as before, but do so with a rear bias. Instead of each motor making 201 hp, the front motor makes 161 hp, the rear 241 hp. Their ranges climb even more, the C40 gaining 37 miles of range to go an estimated 315 miles on a charge, the XC40 adding 42 miles to go an estimated 311 miles on the WLTP cycle. Volvo also upped the fast charging capability for the Recharge from 150 kW to 200 kW. The upgrade cuts the charge time from 10% to 80% by 10 minutes, to 27 minutes, matching the time required for the single-motor trims with the smaller battery to refill the same amount. The revised models can be ordered in Europe now but won't go into production until next year, the Recharge versions in May, the single-motor versions in autumn. Prices are up about 10%. It's thought the Polestar 2 will be in line for the same changes. We asked Volvo USA about the revisions coming to the U.S., aand  spokesperson responded, "We will have more details to share on the U.S. offer at a later date."