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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.

The original Acura NSX: Development history and driving the icon

The original NSX, introduced in production form in 1990 by Honda and to the United States market under the Acura brand in 1991, is now officially 25 plus years old. Generations of car enthusiasts grew to love the original NSX over the 15 years it was in production and beyond, but as an fan and owner, I think it's important to fully realize just how monumental a shift the introduction of the NSX was in the art of making cars. So, retold 25 years later, this is the abridged story of the NSX, Honda's supercar. The Idea The NSX was an extremely risky project for Honda, a company that in the late 1980's was nowhere near the corporate juggernaut that it is today. Honda's eponymous founder, Soichiro Honda, was still involved in decision-making at the company during this time under the role of "Supreme Advisor," and it is debatable whether the NSX project in its infancy would have gone forward at all had he not still been pushing the company towards the spirit of technical achievement it had been known for in the prior decades. Mr. Honda was still so involved during this period, in fact, that when the first batch of 300 production NSXs were made with a version of the Acura badge he didn't like, he ordered all of the cars stopped at port in the USA, the new badges applied, and the offending incorrect badges sent back to Japan to be systematically destroyed. This was clearly a man who paid attention to the details, but I digress. Honda as a company devoted $140 million dollars to the NSX project ($250 million in today's money), half of which would go to developing the car, and the remainder of which would go to building a new state-of-the-art factory to assemble it. Honda's own goals for the NSX were actually exactly as most media stories portray the car today: to build a bona-fide exotic supercar, but one without the ergonomic and reliability penalties associated with that type of car. They didn't want to sacrifice the needs of the driver to the supposed demands of performance, demands that they felt didn't have to be there in making a truly top-level performance machine. The R&D team wanted a car that could hang with heavyweight exotics in a straight line, play with smaller and more lightweight sports cars in the curves, and cruise in serenity on the freeway. Essentially, they wanted it all, and the brief was to have a car that could do everything without compromise.

Acura NSX GT3 to make public debut this week at Mid-Ohio

The new Acura NSX had a very long and very public gestation period. The car went through a number of redesigns and revisions, all while enthusiasts watched and waited. With the production version just now ramping up for customer deliveries, Acura revealed that it was working on a race car for FIA GT3 homologation. While the car was shown in New York, no one outside of Honda has seen it testing on track. This week, the NSX GT3 will make its public testing debut at Mid-Ohio Sports Car Course ahead of the Pirelli World Challenge and IndyCar races. View 13 Photos While the car will be on track during testing and practice sessions, it won't actually be competing with the rest of the field. The car is still in the testing phase and won't be fully FIA approved until at least September. Acura is confident that the car will make its racing debut in 2017. The company also made it clear that this is not the final version of the car and that things like aero and engine tuning are still being worked out. Until now, the NSX GT3 has only tested at private events in Europe, Japan and the US. This week, the NSX GT3 will be piloted by Dutch racing driver Peter Kox. Kox drives for RealTime Racing, a team that currently campaigns an Acura TLX GT. This week's car will be the primary tester, though if something goes sideways there are multiple backup cars. The NSX GT3 differs in a number of ways from the road car, most notably its lack of hybrid all-wheel drive system. The NSX GT3 uses the same twin-turbocharged V6 as the road car, but sends all the power through the rear wheels. It also uses the same space frame as the road car. While the road going version receives final assembly in Honda's Ohio factory, final touches to the GT3 car are done elsewhere. Although the car will only be testing on Thursday and Friday, it will be on display all weekend in the paddock. For more info on this weekend's Mid-Ohio race, check out the Pirelli World Challenge page here. Related Video: Motorsports Acura Honda honda nsx acura nsx gt3