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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 sending two NSX racers and new EV concept to Pikes Peak

Honda is always good for a few interesting Pikes Peak entries. In 2015, Acura supplied a 2017 NSX prototype for pace-car duty. This time around, two NSXes will compete alongside a reconfigured version of the company's four-motor electric racecar. Those aren't the 2016 entries above. The one on the right is last year's pace car and the one on the left is a first-gen NSX that did the hillclimb the past few years. The 2016 cars haven't been unveiled yet, but we know that one will be in the Time Attack 2 Production class, which is mostly stock with the addition of items like a roll cage, and the other will be in Time Attack 1. TA 1 allows modifications to the powertrain, additional aero aids, suspension changes, and other tweaks, so expect to see a lot more power and a big wing on the back. The cars will be driven by James and Nick Robinson, brothers who work for Honda R&D in Ohio. Honda will use a version of the four-motor electric powertrain from its 2015 CR-Z Exhibition class entry in a new EV. (We got to drive a non-race tune of this setup in Japan last year.) The 2016 version, which will wear a different body, moves to the Electric - Electric Modified class of last year's frontrunners. We're told this car is aiming for an overall win at the 2016 race; the CR-Z took 11th place overall in 2015. The EV will again be driven by Tetsuya Yamano, a Japanese Super GT driver. Oh, and there will of course be a factory entry or two from Honda's Powersports division. Honda engineer Keith Steidl will ride a 2015 TRX1000 ATV in the Pikes Peak Challenge - Exhibition Powersport class. In the past, Honda has fielded plenty of other neat stuff in the Race to the Clouds. In 2012, it ran an NSX fitted with a twin-turbo V6 from an LMP2 car, and the 2013 race saw the very practical 532-horsepower turbocharged Odyssey minivan join the Exhibition class. The 2016 race marks the Pikes Peak hillclimb's 100th anniversary (but not the 101st running since competition took some breaks back in wartime). We're looking forward to June already. Related Video: Image Credit: Honda Green Motorsports Acura Honda Electric Hybrid Racing Vehicles pikes peak exclusive

2021 Acura TLX Type S Road Test Review | Golden and glorious

After spending an entire month with our long-term 2021 Acura TLX A-Spec, I had high hopes for the new TLX Type S. When you start from a good base, that means things can only get better, right? The chassis underneath the base TLX’s flashy sheetmetal is a thing of brilliance. This four-door is taut and responsive the way you expect a high-performance German sport sedan to be, and the SH-AWD system is one of the best in the business, hugely aiding its agility. But not everything about the TLX A-Spec with its 2.0-turbo four-cylinder is perfect in the fun-to-drive column. The 10-speed transmission is mediocre at best, and while the engine makes a good noise, an Accord with its 2.0-turbo can outrun it in a straight line. ThereÂ’s enough thrust to keep things lively, but itÂ’s not going to raise your pulse. Enter the TLX Type S. It marks AcuraÂ’s mighty return to performance cars (beyond the NSX), and itÂ’s a chance for Acura to address our issues with the standard TLX. LetÂ’s get into it. The Type S boots out the four-cylinder in favor of AcuraÂ’s totally new 3.0-liter turbocharged V6. This engine is exclusive to the Type S for the time being, and itÂ’s a winner. DonÂ’t expect a high-revving classic Honda experience, though. Instead, just like the new turbocharged Civic Type R, this V6 is a torque monster. The peak 354 pound-feet hits low in the rev band at 1,400 rpm then carries on up to 5,000. Its peak 355 horsepower is made at 5,500 rpm, and redline comes shortly thereafter at 6,200. Acura still found a way to make this relatively low-revving V6 sound more frenzied than it actually is. The trip up to redline in Sport and Sport+ (which opens the active exhaust valves) is music to the ears. ItÂ’s not punishingly loud, but the pitch increases with revs to a much higher note than you might suspect. Open the windows, and youÂ’ll also get some turbo-spooling noises for even more drama. The personality and character level of this engine is off the charts compared to the standard 2.0T. Only BMWÂ’s inline-six — in the M340i — offers up a similarly enticing noise. The pull from this engine matches the sound it makes, too. Good luck finding a dead spot or weak point anywhere, because it doesnÂ’t exist. ThereÂ’s no cliff of torque at the end of the meaty rev band, and while the Type S might not win every stoplight drag race — Acura estimates an approximately 5-second trip to 60 mph — itÂ’s plenty quick enough to have a hell of a good time in.