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Old 12-31-2013, 02:31 PM   #801
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Update!

Paul Walker talks about the Lexus LFA
Quote:
An interview with Walker, in a previously unaired video from Lexus

Our friends at Lexus, spurred by our reminiscing, sent us this interview conducted with Paul Walker when he drove the Lexus LFA at Willow Springs earlier this year. It hasn't yet been released on Lexus' official channels, and we would be remiss not to share it.

He loved the car. There had been an LFA on the set of "Fast & Furious 5." "That was the baby. We had the security detail," he joked, "but nobody was driving it. I'm just trying to figure out how to manipulate Lexus into letting me borrow one for, like, two years."

"Yeah, I'd buy one," he said about the LFA. "You feel like you're getting away with something by driving it on the street."


Does this mark the apogee of Paul Walker reminiscence? Our celebrity-obsessed news seems to have finally gained self-awareness -- until "Fast & Furious 7" comes out, anyway, as a bookend to his life. Fortunately, his charity, Reach Out WorldWide, continues forth unabated with relief efforts in Illinois and Oklahoma and following the recent typhoon in the Philippines.

At one point in the clip, Walker says, "I usually kill traction control. But in this car, it definitely feels faster with the traction control on. … I like that feeling of walking that line, getting into that edge."

Walker, you could say, walked that line.
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Old 01-07-2014, 12:43 PM   #802
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from Jim Gleason on Vimeo.

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Old 01-31-2014, 10:19 AM   #803
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Old 02-05-2014, 10:16 AM   #804
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Welcome to horsepower heaven! Taking place at NOLA Motorsport Park, the Lexus LFA owner's event last October not only featured the largest gathering of LFA's at any one time (20) but also a surprise visit by Akio Toyoda himself.
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Old 03-28-2014, 09:29 AM   #805
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Many things are wrong with it, but it's still the best car I've ever driven..." Jeremy Clarkson on the Lexus LFA. The V10 engine in a Lexus LFA revs from idle to the red line in just 0.6 of a second.That's so fast, the engineers had to fit a digital rev-counter because a conventional needle couldn't keep up.

Clarkson says The Stig said the Ferrari F12 is the only car in the world that can hold a candle to the Lexus LFA. High praise from everyone's favourite tame racing racing driver.
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Old 04-05-2014, 02:52 PM   #806
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Autobytel had the chance at the #WhatsTheF event to get some inside info on the Lexus LFA Supercar. Professional Racecar Driver Scott Pruett was on hand to not only dish out some interesting details about the LFA but also to give us a great Track Ride-Along at the Las Vegas Motor Speedway.
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Old 04-11-2014, 10:14 AM   #807
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Update!

WHY THE LEXUS LFA IS A SPECIAL SUPERCAR – PART 1
http://youwheel.com/2014/03/28/why-t...percar-part-1/
Quote:
When the Lexus LFA went on sale in late 2010 and early 2011, some of its specifications seem to be outdated: for example its V10 engine still uses traditional port injection for the fuels, while the 10-times-cheaper IS 250 has already incorporated fuel direct injection for 4 years; and also the LFA is using a single clutch 6 speed automated sequential transmission, while there are plenty of sports cars using a more advanced double clutch transmission.

These indeed are shortcomings of the LFA, caused by the lengthy development cycle for 10 years. The root cause of this delay is mainly due to the R&D management changed their mind to switch from an aluminum body to a carbon fiber material car frame design, in the middle of those 10 years (LFA project starts in 2000 and the decision to use carbon fiber happened in 2005).

Had the LFA went in production 5 years earlier, its specification sheet will look more pleasant to those who criticize the above mentioned shortcomings.

Even with the long development cycle, a lot of LFA’s design and manufacturing technologies are still the most advanced, unique and state-of-the-art, from today’s point of view.

Let’s look at the carbon fiber body first. Historically speaking some of other exotic cars are also using carbon fiber to construct their bodies. Before LFA there is the Mercedes-Benz SLR McLaren, after LFA there is the Aston Martin One-77. But they are still not advanced and well designed as the LFA.

For the SLR McLaren, despite its use of carbon fiber material, it is still very heavy (near 3,900lbs). Had it made of other metals such as aluminum or high strength steels, it is possible that it still would not weight much heavier than this number. The other part is its design of layout – both engine and transmission in front, makes the car nose extremely long. While some folks may like such visually long-nose cars, this design does no good to the handling and performance.

For the One-77, it has similar layout as the LFA. Its engine is placed in the front, and transaxle is in the back. This requires a solid torque tube to connect the engine to the rear transmission. For this layout, the torque tube need to deal with forces in multiple directions. For example, when the driver launches the car, the tube takes the stress of trying to pick up the nose by the engine; If the engine is outputing large amount of torque, there will be a torsional stress along the longitude axis. So the torque tube must be made of something really strong.

One-77’s torque tube is made of magnesium alloy. However, the LFA engineers managed to design and manufacture a carbon fiber torque tube, which is lighter and stronger. As a side note, the 2015 Corvette Stingray Z06′s torque tube is also made with carbonfiber, but it is outsourced to an Australian firm. Please see the below photo, what the red arrow points to is the unique carbon fiber torque tube in LFA’s powertrain.

The layout of LFA is also first-class. Even though it has a V10 engine, looking at its side profile you will see the length ratios among the engine compartment, occupant compartment and the rear body, are in harmonic and suitable scale. It looks quite naturally, no super-long nose, no cramped cabin.

Also for a stronger connection between different carbon fiber parts in LFA, aluminum threads (they call it aluminum collars) are embedded into the carbon fiber parts during forming. So you won’t crack the carbon fiber parts, or weakened its strength when you are tightening up the screws to join them. Each bolt is not torqued with the the normal pneumatic wrench we usually see in shops; instead they use a digital reading and manual torque wrench to do the job. After each bolt, the worker will make corresponding notation on a fact sheet. This means, every bolt on the LFA is documented with detailed data. As far as I know this procedure is still the only one in the automotive industry.

In part 2, we will examine some interesting facts about LFA’s V10 engine, code named 1LR-GUE.
WHY THE LEXUS LFA IS A SPECIAL SUPERCAR – PART 2
http://youwheel.com/2014/03/28/why-t...percar-part-2/
Quote:
In part 1, we reviewed the body construction of the LFA. Now let us take a look at its heart – the 1LR-GUE 4.8L V10 engine.

Some may criticize it does not has fuel direct injection. However let’s see what is the benefit of using direct injection.

By using direct injection, the internally sprayed liquid fuel can lower the cylinder’s temperature, therefore lower the possibility that the fuel to be ignited by the high engine temperature. Therefore, a higher cylinder compression ratio can be utilized, and the higher compression ratio can thus raises the output and lower fuel consumption. So we see, the main purpose of using direct injection is for raising the cylinder compression ratio.

Even though lacking direct injection, 1LR-GUE’s compression ratio is already reaching 12.0:1, this number is higher than some of the latest direct injection engines. For example the 2GR-FSE (used in 2014 IS 350, GS 350) compression ratio is 11.8:1, lower than 1LR-GUE. So not using direct injection is not an critical issue for the V10 engine.

Anyway, we can still say: had the 1LR-GUE utilized fuel direct injection, it could achieve higher output. For this matter we must not forget, this engine is designed 10 years ago.

Besides this, 1LR-GUE has some very unique and advanced features. For example, its rocker arms are made with titanium; its intake valves are made with titanium too. Of course some other competitor’s engine also has these features. But 1LR-GUE has one unique thing that nobody has at this time – its exhaust valves are also made with titanium.

Next pay attention to its 9000rpm redline (fuel cut-off is 9500rpm), this is absolutely not a trivial thing. To achieve this, its intake valve train has a very unique design. For most DOHC engine, its valve is usually controlled by the roller finger follower mechanism, the benefit for this is the fuel efficiency. But on the other hand, roller finger follower is not suitable for high revving engines, so most high-redline DOHC engines will use the direct-acting tappet system. However, what 1LR-GUE uses is: the finger follower WITHOUT the roller. This design makes it possible that the size of the finger follower be smaller, much lighter, much stronger, and much more suitable for high rpm redline. To decrease friction, Lexus also apply a DLC coating on the finger follower.

The 1LR-GUE does not have cylinder sleeve, instead the cylinder walls are applied with a thermal spray layer, which significantly lower the friction between the piston heads and the cylinder walls.

This engine also has individual throttle bodies for each cylinder (a total of 10 independent throttle bodies). The whole exhaust system is made of titanium, which cost equals to a Toyota Corolla (yes, the money you can buy a Corolla can only buy a set of exhaust manifolds and muffler for the LFA). From the following photo you can see the titanium made exhaust pipes.

The 1LR-GUE uses a 72-degree V bank angle, which means it has even firing order (balanced firing forces), so it does not require the use of a split-journal crankshaft. The 72-degree V bank design contributes to the special sound signature of this V10 engine (Yamaha contributes help too).

Because of using so many advanced technologies and design, the 1LR-GUE’s size is similar to a V8 engine, and its weight is so light that it is comparable to a V6 engine. With such small size and extremely light weight, it churns out 552hp and 354lb-ft of torque.

Generally speaking even with today’s latest standard, the LFA V10 is still one of the most advanced and uniquely designed engines, which provides top-notched performance.
.
Quote:
One of our favorite moments during our 36 hour test of the Lexus LFA came during a driving stint on a dry lake bed as Kelley Blue Book's Micah Muzio performed a long, high-speed drift.

Last edited by Motor; 07-14-2017 at 09:25 PM..
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Old 04-16-2014, 01:46 AM   #808
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Old 04-26-2014, 05:32 PM   #809
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Quote:
#LexusF tachometers embrace the other side of Lexus. Turn up your volume to experience performance in the cockpit.

#SoundOn
#LexusF
#LexusLFA

Quote:
This is what dominating a winding road sounds like, courtesy of #LexusF.

#SoundOn
#LexusF
#LexusLFA
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Old 05-09-2014, 12:58 PM   #810
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Old 05-12-2014, 11:59 PM   #811
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Old 05-28-2014, 10:49 AM   #812
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Old 06-01-2014, 08:34 PM   #813
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The Lexus Screamer
http://www.speedhunters.com/2014/05/the-lexus-screamer/
Quote:
I’m sure you’ve heard the saying, ‘Good things come to those who wait?’ It’s something that I’ve always believed in, as it’s always proven to come true in a lot of the cool things I get up to as a hunter of speed. The other weekend, on the way down to the Wekfest Japan event in Nagoya, it once again came into context.

I’m very happy that I can now say I’ve at least sat shotgun in an LFA, but truth be told I’m not done quite yet. I’m not tired of waiting. I will continue to be patient – right up until that day when a chance to drive this all-carbon supercar will present itself. Until then, I’ll just give a big thumbs up to Takemi and the Lexon guys for showing me what the LFA is all about.
.

Last edited by Motor; 07-14-2017 at 09:25 PM..
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Old 06-01-2014, 09:51 PM   #814
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Gawd dammit, I cream every time I see that beast...

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Old 06-01-2014, 10:07 PM   #815
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Originally Posted by Omnious View Post
I cream every time I see that beast...
Damn right.
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Old 06-02-2014, 09:08 AM   #816
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I’m not tired of waiting. I will continue to be patient – right up until that day when a chance to drive this all-carbon supercar will present itself.
Sounds like me.

The closest I have been to the car is at the LA auto show...but I too will wait patiently. I like the wheels on this one, not the standard garden variety, if you can say so.
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Old 06-17-2014, 12:23 AM   #817
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This video goes with my post #813 of this thread:



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Old 06-18-2014, 09:51 AM   #818
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Old 06-20-2014, 09:40 AM   #819
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Old 07-02-2014, 10:50 AM   #820
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Old 08-03-2014, 01:36 PM   #821
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Quote:
The Lexus LFA supercar gets a run out at CarFest North 2014. We grab our Google Glass and make the most of a passenger ride as the car does a lap of the Oulton Park Circuit in Cheshire.
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Old 08-07-2014, 11:06 AM   #822
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Last edited by Motor; 07-14-2017 at 09:25 PM..
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Old 11-09-2014, 09:24 PM   #823
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Old 02-28-2015, 10:21 AM   #824
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I inspect a Lexus LFA with 82 miles on it. Does it check out? Would you buy it, and how much would you pay? -L
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Old 03-23-2015, 09:50 AM   #825
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Old 03-26-2015, 10:14 AM   #826
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Old 04-08-2015, 09:10 PM   #827
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Old 04-19-2015, 10:28 PM   #828
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Old 04-21-2015, 07:45 PM   #829
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Not sure if I like a dorifto LFA.
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Old 04-21-2015, 09:36 PM   #830
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Not sure if I like a dorifto LFA.
Ha!
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Old 08-13-2015, 07:49 PM   #831
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Old 12-02-2015, 07:23 PM   #832
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Old 01-21-2016, 07:02 PM   #833
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Old 02-12-2016, 09:55 PM   #834
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Old 06-01-2016, 05:54 PM   #835
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Old 06-04-2016, 06:37 PM   #836
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That sound never gets old.
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Old 07-14-2017, 09:26 PM   #837
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Old 12-15-2018, 07:30 AM   #838
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Old 04-30-2019, 06:17 PM   #839
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Old 05-01-2019, 06:25 PM   #840
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Old 08-20-2019, 12:28 PM   #841
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Old 09-04-2019, 06:51 PM   #842
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