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Search: Posts Made By: DFGeneer
Forum: LFA Model (2012) 10-30-15, 06:10 PM
Replies: 2
Views: 1,575
Posted By DFGeneer
AE: Why Is Lamborghini Doing Sound Tests on a Lexus LFA?

Apparently, Lamborghini has been caught doing some "soundchecks" with professional equipment on an LFA, as reported by Autoevolution.
This particular LFA is with an Ingolstadt (Audi hometown)...
Forum: Car Chat 10-28-15, 02:53 AM
Replies: 822
Views: 91,277
Posted By DFGeneer
Blew my mind, literally! Didn't expect it to be...

Blew my mind, literally!
Didn't expect it to be THAT good. Lexus just took the automotive design to another lever.
Forum: Car Chat 10-18-15, 06:46 AM
Replies: 822
Views: 91,277
Posted By DFGeneer
Agreed! I would add that FWD with its more...

Agreed!

I would add that FWD with its more pronounced front-biased center of mass gives inherent high-speed strait-line stability, which is another attribute to luxurious drive.
Forum: IS - 3rd Gen (2014-present) 09-26-15, 09:09 AM
Replies: 61
Views: 7,731
Posted By DFGeneer
Currently BMW is going from (Bore x Stroke)...

Currently BMW is going from (Bore x Stroke) 84x90.1 N20 to even more undersquare 82x94.6 in the new B48. MB's M274 is 83x92 and Audi's EA888 is 82.5x92.8.
It seems undersquare goes well with...
Forum: IS - 3rd Gen (2014-present) 09-26-15, 04:40 AM
Replies: 61
Views: 7,731
Posted By DFGeneer
I didn't think there are any oversquare german...

I didn't think there are any oversquare german engine in series production. Which one are you referring to here?
Forum: Car Chat 09-01-15, 03:10 AM
Replies: 404
Views: 40,997
Posted By DFGeneer
That is a very good example. It brings the nasty...

That is a very good example. It brings the nasty question "If the Cd of the CLA is that better, must be the drive train efficiency of the CLA that is that worse than the A3 sedan's?" I am sure MB...
Forum: Car Chat 08-31-15, 07:15 AM
Replies: 404
Views: 40,997
Posted By DFGeneer
Well, allow me to doubt that "trickeries" can...

Well, allow me to doubt that "trickeries" can reduce Cd by whole 30%.
Besides, the only trickery festured in CLA180BE, but not in CLA250 is the adjustable radiator shutter. Tyres might be thinner...
Forum: Car Chat 08-30-15, 04:38 PM
Replies: 404
Views: 40,997
Posted By DFGeneer
I like the look of the new Prius. However, it...

I like the look of the new Prius. However, it looks a bit too aggressive for what it is.


I think this 0.22 claim is a bit of a marketing stretch.
C&D had a very good article on aerodynamics of...
Forum: Car Chat 05-08-15, 07:36 PM
Replies: 23
Views: 1,038
Posted By DFGeneer
Audi most probably uses a hydraulicaly actuated...

Audi most probably uses a hydraulicaly actuated camshaft profile with an offset to achieve Miller cycle, just like the Prius. Hence, the relatively low variable valve timing range of 30 degrees (from...
Forum: Car Chat 04-24-15, 04:02 PM
Replies: 151
Views: 10,880
Posted By DFGeneer
Sure. But to me the fact that Toyota are "behind"...

Sure. But to me the fact that Toyota are "behind" in the FI game simply confirms that they do not care all that much about horsepower.
Forum: Car Chat 04-23-15, 02:24 AM
Replies: 151
Views: 10,880
Posted By DFGeneer
It is very obvious that they do their own thing....

It is very obvious that they do their own thing. Lexus could have easily fitted a TRD supercharger to the 5 liter V8 if their primary target was to beat the germans on power. Or even that TMG...
Forum: RC F (2015-present) 03-19-15, 07:42 AM
Replies: 1,405
Views: 255,122
Posted By DFGeneer
I have to say I agree with ISF001 on that...

I have to say I agree with ISF001 on that statement based on the one (to my knowledge) published recorded track performance by Motortrend.
If you look at the top speed and acceleration - the M4 is...
Forum: RC F (2015-present) 12-09-14, 02:41 PM
Replies: 1,405
Views: 255,122
Posted By DFGeneer
I think it's a typo. Check the still image...

I think it's a typo.

Check the still image of the blue RC-F that Randy Pobst used on the track in the video at 17:37.
It clearly shows Michelin tires.
Forum: Car Chat 09-24-14, 08:23 AM
Replies: 69
Views: 4,378
Posted By DFGeneer
Well, since you obviously cannot drive a US-spec...

Well, since you obviously cannot drive a US-spec Passat TDI at a highway speeds in the stop-and-go traffic of London or Paris, this info is a bit irrelevant, don't you think?
The best TDI you can...
Forum: Car Chat 09-24-14, 01:44 AM
Replies: 69
Views: 4,378
Posted By DFGeneer
The Euro6 limits for NOx for diesels are 80...

The Euro6 limits for NOx for diesels are 80 mg/km. And "clean" Euro 6 diesels just barely make it.
To put that in perspective, my 1999 IS200 makes 30 mg/km, i.e. about 3 times cleaner than modern...
Forum: Car Chat 09-16-14, 04:09 PM
Replies: 53
Views: 3,514
Posted By DFGeneer
If you think about it, the sound of the LFA alone...

If you think about it, the sound of the LFA alone is worth the 400k.
No production car come ever close to it. No matter at what price.
Forum: Car Chat 08-21-14, 01:43 AM
Replies: 29
Views: 1,934
Posted By DFGeneer
No way Lexus had 46773 global sales for the whole...

No way Lexus had 46773 global sales for the whole 2013!
IIRC, Lexus expected about 520 000. About one third of the volume of each of the germans.
Forum: Car Chat 03-16-14, 04:44 PM
Replies: 17
Views: 1,236
Posted By DFGeneer
Don't forget that Porsche was the first premium...

Don't forget that Porsche was the first premium brand who adopted the Toyota Production System (at least in a legal way). I think this still has very much to do with their exceptionally high...
Forum: RC - 1st Gen (2015-present) 02-12-14, 03:01 PM
Replies: 34
Views: 8,496
Posted By DFGeneer
First (?) real-world pics

Just saw these on Facebook.

As usual - much nicer look than the press photos.

https://fbcdn-sphotos-c-a.akamaihd.net/hphotos-ak-ash3/t1/1606964_10202577413612842_237130869_n.jpg

...
Forum: Car Chat 01-17-14, 05:40 PM
Replies: 21
Views: 1,677
Posted By DFGeneer
spwolf is right, at least according to Toyota...

spwolf is right, at least according to Toyota estimations.

Have a look at the table about well-to-wheel efficiencies on page 3 here:
http://www.toyota.com/esq/pdf/Toyota_NHA_keynote_2010.pdf
Forum: Car Chat 01-04-14, 06:36 AM
Replies: 275
Views: 15,986
Posted By DFGeneer
IMO, Lexus (and Toyota) made excellent choice to...

IMO, Lexus (and Toyota) made excellent choice to develop their hybrid power trains.

They have absolutely no match in terms of refinement, efficiency and low emissions.

Of course, such "halo"...
Forum: Car Chat 11-25-13, 05:15 PM
Replies: 73
Views: 7,171
Posted By DFGeneer
I never got it why the pumping losses would be...

I never got it why the pumping losses would be gone? The piston still has to work against low pressure during the intake stroke at partial throttle, even though it is created by restricted opening of...
Forum: Car Chat 11-25-13, 02:37 AM
Replies: 23
Views: 1,724
Posted By DFGeneer
Wow! That's a lot of crap put together... ...

Wow! That's a lot of crap put together...
Especially liked that one: "Driving a diesel car on daily basis is equivalent to doing a favor to mother earth."
Priceless!
Too bad, I have witnessed...
Forum: Lexus Prototypes and Next-Gen Technology 11-20-13, 04:31 PM
Replies: 20
Views: 7,779
Posted By DFGeneer
True, diesel is more efficient in a steady load...

True, diesel is more efficient in a steady load operation - ships, trains, trucks, with typical thermodynamic efficiency of up to 43% at full load.
But when it comes to real world street traffic,...
Forum: Car Chat 10-08-13, 01:21 AM
Replies: 8
Views: 1,061
Posted By DFGeneer
They still have a lot of work to refine that. It...

They still have a lot of work to refine that. It obviously blinds the incoming driver for a good second before switching off the corresponding section of the headlights.
..And this was in very very...
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