Official IS-F Drag Time/Dyno Time/Performance Thread
#61
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Yeah, those times are very similar to mine. I finally cleaned up my MAS sensor (from using the K&N air filter) and the car is back to normal now, it feels much stronger. I'll need new tires soon, so I'll go back to the track after I get them, right now I keep spining the tires all the way into mid 2nd gear. What tires should I get? The new Nitto Invo?
#62
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Went to the track last night and was able to pull an 12.797 ET at 112.13
![Name: IMG_0666.jpg
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Thing is just like the first night i ran the car i wasnt able to launch above 1500rpm without spinning tires So 60'=
Oh and keep in mind the car was hot lapped around 4 times before this run.
Here is an example. Here i launched around 1800rpm. Didnt do much of a burnout because i had just ran the 12.79 the run before. No wait![Woot](https://www.clublexus.com/forums/images/smilies/woot.gif)
http://videos.streetfire.net/video/I...ile_646897.htm
![Name: IMG_0666.jpg
Views: 1157
Size: 40.0 KB](https://www.clublexus.com/forums/attachments/is-f-2008-2014/438586d1501404191-official-is-f-drag-time-dyno-time-performance-thread-img_0666.jpg)
Thing is just like the first night i ran the car i wasnt able to launch above 1500rpm without spinning tires So 60'=
![Frown](https://www.clublexus.com/forums/images/smilies/frown.gif)
Oh and keep in mind the car was hot lapped around 4 times before this run.
Here is an example. Here i launched around 1800rpm. Didnt do much of a burnout because i had just ran the 12.79 the run before. No wait
![Woot](https://www.clublexus.com/forums/images/smilies/woot.gif)
http://videos.streetfire.net/video/I...ile_646897.htm
#63
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Went to the track last night and was able to pull an 12.797 ET at 112.13
![](http://i231.photobucket.com/albums/ee312/mrxslayx/IMG_0666.jpg)
Thing is just like the first night i ran the car i wasnt able to launch above 1500rpm without spinning tires So 60'=
Oh and keep in mind the car was hot lapped around 4 times before this run.
Here is an example. Here i launched around 1800rpm. Didnt do much of a burnout because i had just ran the 12.79 the run before. No wait![Woot](https://www.clublexus.com/forums/images/smilies/woot.gif)
http://videos.streetfire.net/video/I...ile_646897.htm
![](http://i231.photobucket.com/albums/ee312/mrxslayx/IMG_0666.jpg)
Thing is just like the first night i ran the car i wasnt able to launch above 1500rpm without spinning tires So 60'=
![Frown](https://www.clublexus.com/forums/images/smilies/frown.gif)
Oh and keep in mind the car was hot lapped around 4 times before this run.
Here is an example. Here i launched around 1800rpm. Didnt do much of a burnout because i had just ran the 12.79 the run before. No wait
![Woot](https://www.clublexus.com/forums/images/smilies/woot.gif)
http://videos.streetfire.net/video/I...ile_646897.htm
Good job
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#65
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How much fuel did you have in the tank this time around? The last time you had 3/4. Reason I ask is that last night your DA was +1278ft as opposed to a more optimum DA of 127ft on your previous run and you still managed to both shorten your time and increase the mph. The only thing I can think of is a weight difference.
Good job![Thumb Up](https://www.clublexus.com/forums/images/smilies/thumbsup.gif)
Good job
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#66
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**EDIT** Just realized your car isn't stock right? You removed your mufflers and secondary cats right?
Last edited by caymandive; 04-16-09 at 09:18 AM.
#67
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My best run from last night (same track as MRx..) - this was about my 11th run for the evening, with the previous runs being at 9:56, 9:59
(Left = Ford Lightning, Right = Me)
![](http://www.carfaq.org/gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=12413)
Two runs against Mr.:
(Me = left)
![](http://www.carfaq.org/gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=12417)
(Me = right)
![](http://www.carfaq.org/gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=12421)
I had about 2/3rd's of a tank of gas at this point (was an unplanned night at the track) and approximately 50 lbs of stuff in the trunk + spare, etc.
(Left = Ford Lightning, Right = Me)
Two runs against Mr.:
(Me = left)
(Me = right)
I had about 2/3rd's of a tank of gas at this point (was an unplanned night at the track) and approximately 50 lbs of stuff in the trunk + spare, etc.
#68
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Thanks bro. I just want to be faster though ![Big Grin](https://www.clublexus.com/forums/images/smilies/biggrin.gif)
Could be the case but i doubt a slight incline would make a 4-5mph difference.
Do you think it could be because im not launching the car had at all?
And yes ive got no mufflers and secondary cats
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The first thing that comes to mind is that the track may have a slight incline for the first 1/8th then a slight decline on the last 1/8th. It appears to equal itself out as your final times and mph are within the average.
**EDIT** Just realized your car isn't stock right? You removed your mufflers and secondary cats right?
**EDIT** Just realized your car isn't stock right? You removed your mufflers and secondary cats right?
Do you think it could be because im not launching the car had at all?
And yes ive got no mufflers and secondary cats
#70
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For some reason, both my IS350 and IS-F had the BEST runs hotlapping. It seems like the engine likes to remain hot while the air intake remains cool. When my car sits around too long, it seems like the car isn't as strong.
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And yes - I do have the SRT intake. It sucks.
#75
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