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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.

Honda to recall 1.1 million U.S. vehicles to re-replace Takata airbags

Honda said on Tuesday it would recall about 1.1 million Honda and Acura vehicles in the United States to re-replace defective Takata airbags on the driver's side. The company said it was aware of one injury linked to the defect that may have caused the airbag to rupture when it was deployed in a crash. The vehicles involved in the recall were previously repaired using specific Takata desiccated replacement inflators (PSDI-5D) or entire replacement airbag modules containing these inflators. "Those replacement inflators," Honda said in a statement, "are now deemed defective." Free repairs of the recalled cars would begin immediately in the United States with replacement parts made by alternate suppliers, Honda said. Honda became aware of the issue after a Honda Odyssey crash, where the front airbag deployed and injured the driver's arm. An investigation later showed that manufacturing issues at Takata's Mexico facility introduced excessive moisture into the inflator during assembly, leading to the problem. The total number of recalled inflators is now about 21 million in about 12.9 million Honda and Acura vehicles that have been subject to recall for replacing Takata front airbag inflators in the United States, the company said. Automakers in the United States repaired more than 7.2 million defective Takata air bag inflators in 2018, as companies have ramped up efforts to track down parts in need of replacement. Recalls Acura Honda

Acura Integra is reborn, so here's a look at its past

The Acura Integra is officially making its return in 2022. No joke! We’re stoked, too. ItÂ’s a return to the nameplate for Acura — we havenÂ’t seen it grace any cars in the U.S. since 2001. Although the Acura RSX (that was sold here) built 2002-2006 was named the Integra everywhere else but America. Now that we know “Integra” is coming back after 20 years off, though, itÂ’s time to take a stroll through Acura Integra history. That history begins with the launch of Acura as a brand, because the Integra was one of the first two models that Acura came to America with — the Legend was the other. 1986-1989 — First generation The first Integra didnÂ’t see a long model run, as it lasted for just four model years. It was too early to incorporate HondaÂ’s soon-to-come VTEC engine technology, but that doesnÂ’t mean it didnÂ’t come packed with awesome features and tech. Acura actually offered two hatchback options — a three-door and a five-door — and a traditional four-door sedan. The only engine option was a 1.6-liter four-cylinder with a DOHC design that revved out to an impressive 7,000 rpm. It made 113 horsepower and just 99 pound-feet of torque for the first two model years, but a mid-cycle refresh saw output increase to 118 horsepower and 103 pound-feet of torque for the 1988-89 model years. Both a five-speed manual and four-speed automatic were available. It was a sportier car than the Civic at the time, and since Acura is the luxury arm of Honda, it featured a slightly nicer interior. ItÂ’s a rare sight to see first-generation Integras on the roads these days, as rust and time have slowly removed them from AmericaÂ’s highways. No matter, as this Integra kickstarted the sporting and fun-to-drive spirit that would be found in those to come. It was a lightweight, high-revving compact car that helped Acura get off the ground. 1990-1993 — Second Generation Just like the first generation, the second-gen Integra saw just four model years of production. Acura dropped the five-door hatchback offering, instead opting to limit the car to a three-door hatchback and four-door sedan. The styling saw some fairly big changes, as the pop-up headlights were dropped, and the hatchback looked more like a two-door coupe in its silhouette. Performance got a big boost, as Acura upgraded to a 1.8-liter four-cylinder that made 130 horsepower and 121 pound-feet of torque.