LS - 4th Gen (2007-2017) Discussion topics related to the current flagship models LS460, LS460L and LS600H

Super Charge for LS460

Old 11-21-14, 07:58 AM
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Nat
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Default Super Charge for LS460

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Old 11-21-14, 05:38 PM
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Originally Posted by roadfrog
From the HKS site:

•ECU must be the factory ECU and data should no be modified.
•Replace the spark plugs with higher heat range spark plugs. (e.g. HKS SUPER FIRE RACING M40iL・45iL)
•If the VAC was already installed, remove it before installation.
•The factory CAT must be replaced with HKS Metal Catalyzer. Contact your dealer for replacement.
•Vehicle body modification is required.
•Average installation time is approximately 22 hours.

Also, wasn't there a company doing these for our cars at a cost of about 5-7g?? (Parts only no install)
I think there is more to this story. If this is all that is necessary the car is going to go kaboom.
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Old 11-22-14, 09:07 AM
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greg3852
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I'd be happy with a simple method to remove the top speed limiter
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Old 11-23-14, 06:17 AM
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i'm with you on that greg3852!! i mean at least sell us the Euro computer which allows the car to go 155mph!
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Old 11-23-14, 08:04 AM
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What is the LS460 limited to ... 130mph?
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Old 11-23-14, 08:13 AM
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Originally Posted by Johnny Rad
What is the LS460 limited to ... 130mph?
110. Found out on a trip to Los Angeles
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Old 11-23-14, 09:32 AM
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Originally Posted by lbintab
110. Found out on a trip to Los Angeles
Seriously? There must be a way around that limit if they allow 155 in Europe I will admit to driving cruise control at 110 in good open roads with no traffic around in north eastern NM, in a 1994 Q45.
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Old 11-23-14, 10:33 AM
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North American models are governed at 133 mph. The EU model will do 155 mph. This is also true of the LS430.
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Old 11-23-14, 11:34 AM
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Originally Posted by Lavrishevo
North American models are governed at 133 mph. The EU model will do 155 mph. This is also true of the LS430.
On the paper the EU models (all V-8 except ISF -> 270 km/h) are governed at 155, in reality precisely gauge at 160 mph. You only have to make sure displayed 160 is 160 real speed. With 265/30 R22 wheels this is the case.

Same with LS430, but with 245/30 R22 the engine is not strong enough to hit 160 mph.
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Old 11-23-14, 11:38 AM
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Originally Posted by whitetooth
On the paper the EU models (all V-8 except ISF -> 270 km/h) are governed at 155, in reality precisely gauge at 160 mph. You only have to make sure displayed 160 is 160 real speed. With 265/30 R22 wheels this is the case.

Same with LS430, but with 245/30 R22 the engine is not strong enough to hit 160 mph.
Maybe it's limited by its arrow dynamics then it's engine power.
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Old 11-23-14, 11:41 AM
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It's definitely 133. But it has way more in it. Youtube videos show it doing around 170-175. I would be more than happy with 155.
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Old 11-23-14, 12:39 PM
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i have hit the 131-134 mph several times unknowingly... i think i'm doing 100 and look down! the car doesn't really get much louder after 70-80.

in a flat-out test, i normally hit this speed in 5 gear and still have 1000-2000 rpm's left on the tach which leads me to believe that a higher speed is easily attainable.
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Old 11-23-14, 02:48 PM
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I wouldn't mind have the limiter removed... top end at 135 sucks....
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Old 11-23-14, 05:26 PM
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Originally Posted by lbintab
110. Found out on a trip to Los Angeles
That can't be right. I though our cars were governed at 133?
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Old 11-23-14, 06:13 PM
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Only 110mph? Ugh. Double ugh.

Seems earlier Lexus were good for 130-150mph.

Wonder what changed, assuming any of this is even true?

...and pretty please spare me the lecture on safe speed limits.
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