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#646
hmm... I am not sure. They can correct for temperature and elevation, but I dont know if they correct for gearing. Lower gearing has a higher torque multiplier, I'm guessing it would be way more work to correct for gearing when you can just put the car in the right gear.
#647
Intermediate
I think the IS 500 is actually somewhat underrated when it comes to torque. Both the RC F and IS 500 have dyno results above their claimed numbers.
DSport Mag got 350 ft-lbs at 5,000 RPM at the wheels. I'd imagine this to be 400-410 ft-lbs at the crank.
https://dsportmag.com/the-cars/first...-lexus-is-500/
This slightly-healthier RC F got over 410 WHP and 377 ft-lbs of wheel torque!
https://www.clublexus.com/forums/rc-...line-dyno.html
I know dynos are different, but still, I think we can conclude it's making AT LEAST the stock torque number. I mean, this engine makes 85% of its peak torque down at 3,000 RPM. It's not like it doesn't have torque - but it also noticeably "takes off" once you hit about 5,000 RPM.
An anecdote, my friend who drove it said it had "torque for days" at low RPM. He owns an F30 335i and an E46 M3, so those are what he is used to. The 335i has some torque, too...
What is likely hampering the IS 500 is the gearing - 2nd and third gear seem a little too tall IMO.
DSport Mag got 350 ft-lbs at 5,000 RPM at the wheels. I'd imagine this to be 400-410 ft-lbs at the crank.
https://dsportmag.com/the-cars/first...-lexus-is-500/
This slightly-healthier RC F got over 410 WHP and 377 ft-lbs of wheel torque!
https://www.clublexus.com/forums/rc-...line-dyno.html
I know dynos are different, but still, I think we can conclude it's making AT LEAST the stock torque number. I mean, this engine makes 85% of its peak torque down at 3,000 RPM. It's not like it doesn't have torque - but it also noticeably "takes off" once you hit about 5,000 RPM.
An anecdote, my friend who drove it said it had "torque for days" at low RPM. He owns an F30 335i and an E46 M3, so those are what he is used to. The 335i has some torque, too...
What is likely hampering the IS 500 is the gearing - 2nd and third gear seem a little too tall IMO.
#648
I agree with you. When your friend said it had torque for days in the lower gears I agree. I watch these youtube races, which do not have professional drivers and I see the IS 500 holding its own on the hole shot. I want to see what it does win or lose with a real driver along with speeds and times throughout the run.
I think our car does really well in the real world. I've even ran a Tesla (slower one lol) and stayed really close with their instant torque. BUUUUUT.... many cars in the segment or even other segments comparable in price have the potential to run faster. I think we especially keep up with the turbo cars that are faster on paper because of launch control. In a real life race where both people smash the gas on a green light we are a lot more competitive. The larger NA motors and PD blower cars will deliver the real torque though.
#649
Pole Position
With the right tires and in the correct mode, our cars are freaking rockets! I’ve said it earlier and some folks here didn’t believe me. Now that a few more have picked up the cars, they’re posting the same experiences.
Now there are some instances where I’m like: “Dayum!” I was in the right gear at peak torque, but this older S550 got up on its toes and that big ole a$$ was GONE! 😳🤣
#650
drives cars
Oh my God, all of this. 👏🏽👏🏽
With the right tires and in the correct mode, our cars are freaking rockets! I’ve said it earlier and some folks here didn’t believe me. Now that a few more have picked up the cars, they’re posting the same experiences.
Now there are some instances where I’m like: “Dayum!” I was in the right gear at peak torque, but this older S550 got up on its toes and that big ole a$$ was GONE! 😳🤣
With the right tires and in the correct mode, our cars are freaking rockets! I’ve said it earlier and some folks here didn’t believe me. Now that a few more have picked up the cars, they’re posting the same experiences.
Now there are some instances where I’m like: “Dayum!” I was in the right gear at peak torque, but this older S550 got up on its toes and that big ole a$$ was GONE! 😳🤣
#651
Pole Position
The following users liked this post:
Bechtold (09-30-23)
#653
Pole Position
Huge points for doing his homework! I didn’t hear anything egregiously incorrect.
#654
Instructor
He sound so funny by trying so hard
#655
Advanced
Here's the gear ratios between the IS500 and the M340i. The bimmer has higher torque multiplication in gears 1 through 4 (especially 2nd, 3rd, and 4th). Out of curiosity, I've also shown the gearing for the 10-speed in the LC500. Look at the torque multiplication in 2nd, 3rd, 4th and 5th gears ! If the IS500 had the 10-speed transmission, it would be an absolute missile. So it definitely seems the 8-speed in the IS500 has tall gearing which is affecting performance. Sure , putting better tires will help, but it just seems the IS500 is not fully utilizing well all that 472 horsepower. This is alot of power for a car of this size /weight. And yes, the M340i has launch control which the IS500 does not. So that for sure it also helping its performance figures.
IS500:
1st: 4.60
2nd: 2.72
3rd: 1.86
4th: 1.46
5th: 1.23
6th: 1.00
7th: 0.82
8th: 0.69
Final drive axle: 3.13
M340i:
1st: 5.25
2nd: 3.36
3rd: 2.17
4th: 1.72
5th: 1.32
6th: 1.00
7th: 0.82
8th: 0.64
Final drive axle: 2.81
LC500:
1st: 4.92
2nd: 3.15
3rd: 2.35
4th: 1.88
5th: 1.46
6th: 1.19
7th: 1.0
8th: 0.79
9th: n/a
10th n/a
Final drive axle: 2.94
Last edited by TGPCanada; 10-02-23 at 06:53 PM.
#657
Instructor
Last edited by 604GSE21; 10-18-23 at 09:10 PM.
#659
Pole Position
https://www.youtube.com/watch?v=C4-N_rggOP4
just realized something after watching this video, you guys in the states don't have headlight washer for the 500?
just realized something after watching this video, you guys in the states don't have headlight washer for the 500?
Side note, did the passenger headrest have a stain?! I almost pulled the trigger on a USB/White many moons ago, but felt I’d be insane with the interior upkeep.
Last edited by DLPTony; 10-20-23 at 04:48 AM.
The following users liked this post:
604GSE21 (10-20-23)
#660
drives cars
This one was a little frustrating to watch because he gave up on the paddles quickly and said not to use them. Bruh... you clearly filmed this first thing in the morning and didn't warm up the transmission at all. The paddle delay is less than half of what you showed in the video when the car is warmed up. Otherwise, pretty solid review; he seemed to really like the car overall and got all the facts right.