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Performance Chips - The Mother Thread

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Old 11-05-06, 08:55 PM
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brodman
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Default Performance Chips - The Mother Thread

Are there any chips yet for the IS350? A chip that gives it more horsepower and improves the gas mileage? Will they screw the car up at all?

Code:
Moderator Note - there are NO chips for ISx50 that do anything
useful - this thread is here to bring all these threads into ONE place
 - any new threads will be merged into this one as well.

Last edited by lobuxracer; 03-25-09 at 02:45 PM.
Old 11-05-06, 09:13 PM
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9520G
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There are on ebay, but I wouldn't trust it, there are no legit companies that make one yet.
Old 11-06-06, 07:01 AM
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mtnduc
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Chips on normally aspirated engines really tend to do very little for the money. If you want to chip a turbo you can get big gains. The cheapest gains offering measurable increases for a normally aspirated engines are generally intake and exahust. After that you get into hard parts which equal big $$$$$.
Old 11-06-06, 07:05 AM
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NovaIS350
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Originally Posted by mtnduc
Chips on normally aspirated engines really tend to do very little for the money. If you want to chip a turbo you can get big gains. The cheapest gains offering measurable increases for a normally aspirated engines are generally intake and exahust. After that you get into hard parts which equal big $$$$$.
What are you basing this assumption on?

And no there are no replacement ECU's for the IS. Toyota/ Lexus usually hardcodes their ECU's, the only available reflashing available right now that I know of is done by TOM'S of Japan. If you can decipher Japanese kanji then visit their site. I was told that you send them your ECU and in 8 weeks you get it back- reflashed w/ different fuel curves and optimizations.
Old 11-06-06, 07:10 AM
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IS_250
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Originally Posted by 9520G
There are on ebay, but I wouldn't trust it, there are no legit companies that make one yet.
those black boxes on ebay dont work.. from what i recall its just a couple resistors that you're supposed to splice into the MAF sensor. i wouldnt touch it..
Old 11-06-06, 07:56 AM
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Originally Posted by NovaIS350
What are you basing this assumption on?

And no there are no replacement ECU's for the IS. Toyota/ Lexus usually hardcodes their ECU's, the only available reflashing available right now that I know of is done by TOM'S of Japan. If you can decipher Japanese kanji then visit their site. I was told that you send them your ECU and in 8 weeks you get it back- reflashed w/ different fuel curves and optimizations.
This is correct. There is no chip for ANY Lexus. When guys go F/I they go separate engine management....

Sorry, no chip.
Old 11-06-06, 10:04 AM
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RocketGuy3
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Hopefully there will be soon, from some reputable companies... I'd like a few more options to up the get-up of this car.
Old 11-06-06, 10:09 AM
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NovaIS350
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Originally Posted by 1SICKLEX
This is correct. There is no chip for ANY Lexus. When guys go F/I they go separate engine management....

Sorry, no chip.
There will be no chip.
Old 11-06-06, 10:13 AM
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IS_Mine
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This is my question...


Can you tune an IS350?

Like a friend of mine went and turned his Mustang GT after he did some upgrades and he is getting 30mpg on the interstate, and he does a far bit of hard romping.

Or is that what the chip is?? I really have no idea.
Old 11-06-06, 10:32 AM
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Originally Posted by NovaIS350
There will be no chip.
Are you saying there will never be a chip for the IS?

If so, I sure hope you're wrong about that. Or at least that there will be a more practical option to get the ECU re-flashed.
Old 11-06-06, 10:37 AM
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It won't be practical getting a chip for your n/a IS350.
Trust me, it'll be massive money, no one will do it cheaply
Old 11-06-06, 10:40 AM
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Weren't there chips available for the IS300 that could provide significant HP gains?
Old 11-06-06, 10:43 AM
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Originally Posted by RocketGuy3
Weren't there chips available for the IS300 that could provide significant HP gains?
Perhaps a piggyback? But even then nothing big. Where are you going to extract the power from?
Old 11-06-06, 10:48 AM
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306HP isn't enough for you?
Old 11-06-06, 10:49 AM
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Originally Posted by trant01
306HP isn't enough for you?
Never, and never ever think it is!!!!

As an enthusiast you can never have enough of ANYTHING


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