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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.

J.D. Power study sees new car dependability problems increase for first time since 1998

For the first time since 1998, J.D. Power and Associates says its data shows that the average number of problems per 100 cars has increased. The finding is the result of the firm's much-touted annual Vehicle Dependability Study, which charts incidents of problems in new vehicle purchases over three years from 41,000 respondents.
Looking at first-owner cars from the 2011 model year, the study found an average of 133 problems per 100 cars (PP100, for short), up 6 percent from 126 PP100 in last year's study, which covered 2010 model-year vehicles. Disturbingly, the bulk of the increase is being attributed to engine and transmission problems, with a 6 PP100 boost.
Interestingly, JDP notes that "the decline in quality is particularly acute for vehicles with four-cylinder engines, where problem levels increase by nearly 10 PP100." Its findings also noticed that large diesel engines also tended to be more problematic than most five- and six-cylinder engines.

2017 Acura NSX No. 1 just rolled off the line in Ohio

The 2017 Acura NSX is officially in production. NASCAR titan Rick Hendrick, who paid $1.2 million at auction for the first one, drove it off the line Tuesday at the NSX factory in Marysville, OH. VIN No. 1 wears Valencia red pearl paint. It is equipped with carbon-ceramic brake rotors, leather and Alcantara trim, and uses carbon fiber for the engine cover, roof, and rear spoiler. Top that off with upgraded wheels, and it has every available option. The NSX is powered by a 3.5-liter twin-turbo V6 that teams with three electric motors for a system output of 573 hp and 476 pound-feet of torque. It has a nine-speed dual-clutch transmission and all-wheel drive. The NSX will start at $157,800 and maxes out north of $205,000 for a fully loaded model like this one. Hendrick's heady price came from his winning bid at the Barrett-Jackson auction in Arizona in January, with proceeds going to the Pediatric Brain Tumor Foundation and Camp Southern Ground. Hendrick, owner of Hendrick Motor Sports and the Hendrick Automotive Group, has also paid hefty prices for the first 2015 Chevy Corvette Z06 and 2014 Chevy Camaro Z/28 in support of charities. The NSX launch is a milestone for American Honda, which has built cars in Ohio for more than 30 years. The NSX is assembled at the company's Performance Manufacturing Center, and the engines are hand-built at a nearby facility in Ohio. "Today marks the realization of a big dream here at the PMC and the culmination of more than 30 years of manufacturing experience and expertise here in Ohio," Clement D'Souza, engineering large project leader for the NSX, said in a statement. "Our world class team of expert technicians, through their passion, has realized major innovations in the design and manufacturing of a next-generation Acura supercar that truly delivers incredible precision-crafted performance." Related Video: Image Credit: Acura Design/Style Green Plants/Manufacturing Acura Coupe Hybrid Performance Supercars rick hendrick