IS F (2008-2014) Discussion topics related to the IS F model

IS-F top speed

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Old 11-10-09, 06:49 AM
  #1  
Juanca
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Default IS-F top speed

Check out this video, very nice! How did they remove the speed limiter? They hit 186+ mph (300 kph) in 7th, so somehow they bypassed the speed limiter that should have been reached in 6th.

Enjoy:

http://www.youtube.com/watch?v=MSlSK9tUUMA
Old 11-10-09, 07:58 AM
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Splat
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i didnt watch but the Japanese ecu has a few products out that remove its speed limiter.
Old 11-10-09, 08:45 AM
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In a tunnel, on a two lane road with oncoming traffic

Lou
Old 11-10-09, 10:39 AM
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Joe Z
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Originally Posted by Splat
i didnt watch but the Japanese ecu has a few products out that remove its speed limiter.
This one comes to mind....


Here is my prior post on it.

Originally Posted by Joe Z

In JAPAN.......

They offer the HKS Velocity Advanced Computer for the Japan Spec IS-F

VAC Type ISF - 45002-AT010 - ¥157,500 MSRP (approx $1,755 USD)



Originally Posted by HKS Japan

● VAC Type ISF has developed for the things you enjoy high-speed circuit driving without stress ISF is the only device speed limiter removed.

● HKS governs the movement of the entire vehicle with its own method for the control of the CAN communication signals, and to cancel the speed limiter can be safely and reliably.


Features

● Remove speed limiter function

● Speed signal output function options

● Akira Makoto doing so well and Adoontaipu ECU upgrade VAC Type ISF data that does not feature is disabled.

● CAN connect to the things Sakittoatakkukaunta lines and turbo timer option to output an analog signal output on the communication speed, allowing the display speed. (Vehicle speed pulse number "4")

● Akira Makoto meters (340km / h) speed of the thing is Maruchiinfomeshonmeta and to display the actual vehicle speed.


Mounting

● ECU in the engine room harness, connect the harness coupler ON, VAC Type ISF ON coupler body to the connection.

● VAC Type ISF body to secure the passenger's feet.


Other

● Acrylic windows VAC body "ISF" logo, the Power LED is inside the body when illuminated by a light thing.
"ISF" If the logo does not appear, the power ground wire could be bad.
Also, immediately after power-up, this "ISF" logo is flashing at a constant frequency, and then lit. This is no such error code.


There has been NO confirmation if this product will work on a US Spec IS-F...

Time for one of you guys to research this some more..

Joe Z

Regards..

Joe Z

Last edited by Joe Z; 11-10-09 at 10:55 AM.
Old 11-10-09, 10:47 AM
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Audriuss
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HKS is too expensive for just a speed delimiter function...
Old 11-10-09, 11:05 AM
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F BOMB
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Originally Posted by lowrideraz
In a tunnel, on a two lane road with oncoming traffic

Lou
I'm guessing an up and coming Middle East country like Dubai or something. Only in places like that can you find such suicidal drivers.
Old 11-10-09, 11:14 AM
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Joe Z
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Originally Posted by F BOMB
I'm guessing an up and coming Middle East country like Dubai or something. Only in places like that can you find such suicidal drivers.
For what its worth, the video username location shows "Japan"
Old 11-10-09, 11:55 AM
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Hmm interesting. We can get most HKS items, if that would indeed work for the US spec ECU's.
Old 04-12-10, 02:22 PM
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IS350atWOT
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Default Rev Limiter

I noticed that my F really started slacking off around 160mph (sport mode in M). I decided to hit the brakes at 163. I was concerned that I wasn't able to hit 170 like I thought I would. I did have the AC on though. Does the AC really pull down the F at top speed like that? Maybe the limiter is more like 163 rather than 170 exactly? I don't know. What do you guys think?
Old 04-12-10, 02:33 PM
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The video was taken down. WTH!!!
Old 04-12-10, 03:22 PM
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Originally Posted by OneSiCkF
The video was taken down. WTH!!!

Video was rmvd. That sucks I wanted to see 186.
Old 04-12-10, 03:28 PM
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We have topped the IS-F off at 170mph on the Dyno......... many times....

Anything more and it must have had the speed limiter by-pass.

Joe Z
Old 04-12-10, 06:39 PM
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CDNROCKIES
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Originally Posted by IS350atWOT
I noticed that my F really started slacking off around 160mph (sport mode in M). I decided to hit the brakes at 163. I was concerned that I wasn't able to hit 170 like I thought I would. I did have the AC on though. Does the AC really pull down the F at top speed like that? Maybe the limiter is more like 163 rather than 170 exactly? I don't know. What do you guys think?
I disagree with this statement. I thought that it actually felt like there was a lot left in that 163-165 mph range. I didn't think getting to the 170 mph limit was going to be much longer and wondered how much was actually left....but unfortunately I ran out of safe road to find out.
Old 04-12-10, 07:30 PM
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Your right. The car starts picking up at 160 really hard. Its starting to get hard to stop hitting my speed limiter on N20. Ill post a vid when i get home of my 70-170 so you guys can see that i mean. I really wish the car was unlimited so i could run for 15seconcs on N20
Originally Posted by CDNROCKIES
I disagree with this statement. I thought that it actually felt like there was a lot left in that 163-165 mph range. I didn't think getting to the 170 mph limit was going to be much longer and wondered how much was actually left....but unfortunately I ran out of safe road to find out.
Old 04-13-10, 12:03 PM
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ISF BPU RUN 180 - 285 MP4/H264/ACC

regards
marcus


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