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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 reports $1.9 billion profit in first quarter despite sales lag at home

Ford, General Motors and Chrysler have been living in a world of sunshine and buttercups after their April-through-June financials hit the newswire, and Toyota is doing pretty good as well. Honda? Not so much.
While Japan's third-largest manufacturer saw $1.9 billion in profits, the 5.1-percent jump was lower than expected thanks to a drop in its home-market sales. US sales also took a sting, as Honda hasn't been able to match the SUV and truck demand that are currently permeating the American market, despite an uptick in Accord sales.
Honda's initial forecasts targeted a take of 209.3 billion yen ($2.1 billion at today's rates), and while a $200 million shortfall is nothing to sniff at, we'd hardly take this as Honda being in trouble. And even with the dip, Honda hasn't adjusted its forecast for the fiscal year, which remains at 780 billion yen ($7.9 billion).

Acura TLX Luggage Test | Perfectly reasonable trunk space

The Acura TLX has a 13.5-cubic-foot trunk according to the spec sheet. That would be comparable to a typical compact mainstream sedan despite the TLX's exterior dimensions being more akin to a midsize sedan (its 194.6-inch length is right smack between a Toyota Camry and Honda Accord). Luxury cars usually sacrifice utility for style, and by adapting cab-rearward proportions for this latest generation, it shouldn't be surprising that the TLX follows the trend.  However, how much utility does the new TLX sacrifice and is the trunk still useful? Let's find out. It's a fairly deep space, but the amount of width and space behind the wheel wells is also reasonably generous and seemingly useful. As with every luggage test, I use two midsize roller suitcases that would need to be checked in at the airport (26 inches long, 16 wide, 11 deep), two roll-aboard suitcases that just barely fit in the overhead (24L x 15W x 10D), and one smaller roll-aboard that fits easily (23L x 15W x 10D). I also include my wife's fancy overnight bag just to spruce things up a bit (21L x 12W x 12D).  To start off, I lined the biggest bags on their sides to demonstrate the difference in the trunk's width relative other sedans. Only three can fit, whereas you can fit four in the majority of midsize sedans. Nevertheless, all the bags fit. That's not the case with the Cadillac CT4 or CT5, or the big fibber, the BMW 3 Series and its "17-cubic-foot" trunk.  Basically, the numbers make sense here. While it can hold all the bags, there really isn't any leftover space as there is in a midsize sedan. That said, I should note that there are plenty of compact crossovers that can't fit all these bags below their cargo covers, including the Mercedes GLC and Alfa Stelvio.  OK, one more trunk-related note. While there is a spare-tire-shaped hole under the trunk floor, there is no spare tire. Instead, you get a compressor encased in foam covering the car's battery. Putting the battery in the trunk is totally normal, but there's something a tad bootleg about this placement. It seems like an afterthought. It almost certainly has to do with engine compartment packaging and/or weight distribution, but it does mean you do without a spare tire. Or, I suppose as BMW is apt to do, extra under-floor cargo space.  Related Content