TMG Lexus LS (650hp) spied at the Ring
09-19-11 | 06:00 PM
#78
Instructor
Joined: Oct 2003
Posts: 794
Likes: 1
From: North Carolina
09-21-11 | 11:34 AM
#79
Specs...unofficially official.
Lexus fans are abuzz over the sight of a potential new LS-based super sedan, and details about the mystery machine are leaking out across the intertubes. The folks at AutoGuide have somehow managed to get shots of the Nürburgring-running prototype parked in a garage along witha a conveniently displayed spec sheet which gives us a lot more information about the sporty four door shown testing on the 'Ring.
According to their information it's called the Lexus LS TMG Edition, and the TMG stands for Toyota Motorsport GmbH. That would be the European motorsports branch for the Japanese automaker, which helps to explain the Cologne plates spotted on the car. According to the spied spec sheet, the LS TMG boasts a 5.0-liter V8 engine that produces 641 horsepower and 524 pound-feet of torque. That should be enough to push the large luxo rocket from 0-62 miles per hour in 4.2 seconds and on to a top speed that's a hair under 200 miles per hour.
While we have no idea whether this is a production prototype, a one-off exercise or something else entirely, the very existence of a 641-horsepower, 200 mile-per-hour Lexus LS suggests that the crew behind the LFA are holding increasing sway over the Toyota luxury asylum. Needless to say, we're okay with that.
According to their information it's called the Lexus LS TMG Edition, and the TMG stands for Toyota Motorsport GmbH. That would be the European motorsports branch for the Japanese automaker, which helps to explain the Cologne plates spotted on the car. According to the spied spec sheet, the LS TMG boasts a 5.0-liter V8 engine that produces 641 horsepower and 524 pound-feet of torque. That should be enough to push the large luxo rocket from 0-62 miles per hour in 4.2 seconds and on to a top speed that's a hair under 200 miles per hour.
While we have no idea whether this is a production prototype, a one-off exercise or something else entirely, the very existence of a 641-horsepower, 200 mile-per-hour Lexus LS suggests that the crew behind the LFA are holding increasing sway over the Toyota luxury asylum. Needless to say, we're okay with that.
09-21-11 | 12:21 PM
#84
another thing to look at is the weight. it says 2070kg, which is about 4550lb. that's much lighter than ls600hl. heavier than rwd ls460 but lighter than awd version. of course it's probably gutted out, but the weight is really good for its size.
09-21-11 | 12:39 PM
#86
Lexus Fanatic
Joined: Sep 2007
Posts: 22,608
Likes: 102
From: Waiting for next track day
295's in the front. That wider than a 599GTO or even a ZR1!!!!!!!!!!!!! Insanity. God I hope they produce this thing, but how did it get this far and we never heard of it. We all knew the LFA was in the pipeline for years
09-21-11 | 12:43 PM
#87
LS TMG: 5.0L, 9k rpm redline, 640 hp, 524 lb-ft.
458: NA 4.5L V8, 9k rpm redline, 570 hp, 398 lbs-ft
LFA: NA 4.8L V10, 9k rpm redline, 552 hp, 354 lbs-ft
MP4-12C: Twin Turbo 3.8L V8, 8.5k rpm redline, 592 hp, 443 lbs-ft
F10 M5: Twin Turbo 4.4L V8, 7.2k rpm redline, 560 hp, 501 lbs-ft
Let's look at 2 cars with similar output:
Murciélago LP 640: NA 6.5L V12, 8k rpm redline, 641 hp, 487 lbs-ft (no direct injection)
Ferrari FF: NA 6.3L V12, 8k rpm redline, 651 hp, 504 lbs-ft
The contradiction here is, for a 5.0L street motor, only NA rev that high to 9k rpm, but NA high revving motor have weak torque. Even the much bigger displacement LP640 and FF that make the same HP don't make as much torque as the TMG LS. And torque is generated by displacement, boost or electric assist. Without boost or electric assist, there is no way a NA 5.0L can make 524 lbs-ft. All above cars I listed have direct injection except the LP640. I would assumed the TMG LS have direct injection. Direct injection generally increase hp and torque by 10%.
The high torque output of the TMG LS suggest it is not purely NA.
Even the really high revving MP4-12C twin turbo motor with a flat plane crank only rev to 8.5k rpm.
My guess for the TMG LS is a high revving NA motor with electric assist to get the high torque output.
I looked up the specs for the LS600 and GS450, funny they don't list a total system torque output.
Last edited by BNR34; 09-21-11 at 01:31 PM.
09-21-11 | 01:06 PM
#89
Guest
Posts: n/a
There is no single method to list peak torque when hybrids are the vehicle tested b/c the torque is instantanous and needs to be measured differently than from the petrol engine. We can't just add say 250 lbs torque from the engine to 300lbs torque from the battery 
Good analysis.
Good analysis.
