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2020 Acura NSX Suspension Deep Dive

The Acura NSX has been a special car as long as I’ve been in the business. The first one came out in 1990, the same year I started my career in automotive engineering. I vividly remember driving one briefly back then when we brought one in for benchmarking. I'd drive it again 22 years later when my previous employer bought a used 1991 example for a long-term test. Reader interest was sky-high and the car was still gorgeous, but the march of time and automotive engineering had clearly left it behind. Then, in 2016, a second-generation NSX emerged, and it was packed with bleeding-edge thinking. It has a 3.5-liter twin-turbo V6, but this new NSX is a hybrid with an electric motor-generator sandwiched between the engine and its nine-speed DCT transmission. Two more electric motors – one for each wheel – power the front axle. There they can add traction, regenerate electricity under braking and dole out hyper-accurate levels of torque vectoring. The carÂ’s tire package was changed from Continental SportContact 5 to SportContact 6 tires in 2019, and numerous suspension re-tuning tweaks came along with them. The result is a lively and well-balanced car that is relentless when driven hard and a pussycat around town. LetÂ’s see what theyÂ’ve got going on under there.   At first glance the 2020 Acura NSX appears to have dual wishbone front suspension. But we canÂ’t tell for sure because that big two-piece brake rotor is in the way. The coil-over shock looks obvious, but a few odd details are apparent even from here.   This view also seems to indicate double wishbone suspension. But the pivot axis (green arrow) between the upper and lower ball joints looks wrong – itÂ’s far too vertical. WeÂ’re missing something. But I would be remiss if I failed to point out a few other things before we moved on. For one, the front drive axle confirms this to be an all-wheel-drive machine. Second, the forged aluminum damper mounting fork (yellow) that envelops the axle is mounted to the lower arm about 75% out from the armÂ’s inner pivot. The spring and damper motion ratio would be 0.75-to-1 relative to wheel movement, with a tiny reduction due to its lean angle. Lastly, just look at the huge cast aluminum upright (white). Beautiful. Normally these are called hub carriers or steering knuckles, and I use the terms interchangeably. But the motorsports-derived term upright is normally applied when the piece is tall and, well, upright like this one.   This explains everything.

Acura TLX GT racecar to make motorsports debut at Detroit Grand Prix

Acura debuted its TLX GT racecar at the 2014 Detroit Auto Show earlier this year, and it looks like the racer is set to get its first competitive outing in Motown as well. The RealTime Racing team is competing with a single car driven by Peter Cunningham for the Pirelli World Challenge rounds during the Detroit Grand Prix from May 30 through June 1.
Honda Performance Development is developing the TLX GT with a direct-injected, twin-turbocharged V6 engine, based on the production, naturally aspirated version, and all-wheel drive helps maintain traction. A second car is being added to the effort later.
The turbocharged Acura sedan will face competition in the series from vehicles like the Audi R8 LMS, Cadillac CTS-V, Dodge Viper, Nissan GT-R, Porsche 911 and more. With the Detroit Grand Prix hosting the sixth and seventh races in the Pirelli World Challenge GT class schedule, it doesn't seem that Acura is expecting to win the series in its debut season, but it will surely gain valuable experience.

Profit at Honda doubles on strong global sales of cars and motorcycles

TOKYO — Honda reported Wednesday that its April-June profit more than doubled on healthy sales of its motorcycles and cars, as the Japanese company also received a perk from favorable exchange rates. Honda Motor Co. said its fiscal first quarter profit totaled 363 billion yen ($2.5 billion), up from 149 billion yen. Quarterly sales jumped 21% to 4.6 trillion yen ($32 billion). HondaÂ’s financial service division also reported growing sales. Honda said its profitability improved, especially in North America, where production recovered. Automakers around the world were slammed by supply shortages because of production delays related to social restrictions caused by the COVID-19 pandemic. But such restrictions have eased, allowing production to pick up again. Auto sales were about the same in Japan in the latest quarter as in the previous year, while dropping significantly in China because of intense competition from makers of battery electric vehicles, Honda said. Honda is banking on growth in EVs in the U.S. market, where it recently announced it is joining six other companies in the creation of a high-powered charging network across North America. Worries about climate change have helped set off a dramatic shift in the auto industry toward battery electric vehicles, allowing for relative newcomers like Tesla and BYD to prosper, while catching some Japanese makers off guard with their hybrids and regular gasoline-powered models. Honda said a computer chip shortage crimped its motorcycle sales in India, while sales rebounded in Indonesia as production recovered. Honda said it sold 901,000 vehicles in the latest quarter, up from 815,000 a year earlier. It also sold more motorcycles worldwide at nearly 4.5 million, up from 4.2 million. Honda added 23 billion yen ($160 million) to its quarterly operating profit because of the impact of currency exchange rates. A weaker yen, trading lately at about 143 yen to the U.S. dollar, is a boon for Japanese exporters by boosting the amount of its overseas earnings when converted into yen. Honda stuck to its full year projection of an 800 billion yen ($5.6 billion) profit, up from 651 billion yen a year earlier. Honda shares slipped 0.9% on the Tokyo Stock Exchange. Related video: Earnings/Financials Acura Honda