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Tracking / Autocross / HPDE / Drifting What these cars were built for!


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Old 06-03-2012, 02:20 AM   #1
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1/4 Mile times

We took our new FR-S to the track today. It was pretty hot most of the day, but we wound up with some decent times.

Here is the best of the night with our FR-S full interior full vehicle weight (including spare/jack) With a 10-15mph headwind and a humid 84*F, Car # 592;



Here is the best of the night with minor weight reduction (spare & jack removed, rear seats removed) & intake filter removed with a 10-15 mph headwind and a humid 80*F Car #592;



Both of these were with Jason (My shop manager) at the wheel. My best for the night was a 15.10.

All in all I am pleased and unsurprised by these numbers - they are exactly what we expected from the dyno and articles already published.
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Old 06-03-2012, 04:18 PM   #2
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Broke into the 14s there, stock I see. Very nice job!
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Old 06-03-2012, 04:45 PM   #3
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Here is the video of the 14.7 run:

[ame="http://www.youtube.com/watch?v=8Cy3vh7LKb4"]DD Performance Research's 2013 FR-S minor Weight Reduction 14.7 1/4 mile at 92.2 mph - YouTube[/ame]
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Old 06-05-2012, 06:51 PM   #4
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What rpms were you launching at?

That 60' is very good for a stock RWD car on stock tires, better than some cars with stickier tires and much better torque. That G37 only managed a 2.1 and that is about right too.

I am surprised removing the intake filter made that much difference. This could mean good possibilities of power improvement with a good intake mod. Lets be honest the 30lbs of spare stuff probably had little effect on the 1/4mi time and certainly is not likely to be responsible for gaining 1mph in the entire range.
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Old 06-06-2012, 12:17 PM   #5
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What rpms were you launching at?

That 60' is very good for a stock RWD car on stock tires, better than some cars with stickier tires and much better torque. That G37 only managed a 2.1 and that is about right too.

I am surprised removing the intake filter made that much difference. This could mean good possibilities of power improvement with a good intake mod. Lets be honest the 30lbs of spare stuff probably had little effect on the 1/4mi time and certainly is not likely to be responsible for gaining 1mph in the entire range.
Thats actually a 50%-75% dump from redline.

And it was 70 pounds of stuff, not 30. But yeah, you would expect 1/10th at best from that much weight drop normally.

When we were practicing launches at the shop we found that a 5500-6K frop with slight clutch slip followed by throttle modulation gave the best results for a street type surface. (our lot is concrete)
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Old 06-07-2012, 09:03 PM   #6
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I like seeing real world numbers rather than speculation.

We now know for sure that the manual runs 14.9 stock with a redline launch.

We also know through another thread that the auto runs 16.5 stock.
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Old 06-07-2012, 09:45 PM   #7
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I like seeing real world numbers rather than speculation.

We now know for sure that the manual runs 14.9 stock with a redline launch.

We also know through another thread that the auto runs 16.5 stock.
It should run quicker than a 16.5 stock...
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Old 06-08-2012, 04:33 PM   #8
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Given the autos cannot launch at redline, losing 1.5 second does not seem out of line. Here is the other page where an auto was run with a best of 16.5. http://www.ft86club.com/forums/showthread.php?t=7796
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Old 06-08-2012, 04:40 PM   #9
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Originally Posted by Max Schnell View Post
I like seeing real world numbers rather than speculation.

We now know for sure that the manual runs 14.9 stock with a redline launch.

We also know through another thread that the auto runs 16.5 stock.
I think it has a 14.7 in it (stock) with slightly cooler ambient temps.
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Old 06-11-2012, 07:10 PM   #10
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I managed a 15.697 last week. It was my first time at the drag strip, and this is my first RWD car. I can obviously do better

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Old 06-12-2012, 08:26 AM   #11
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I managed a 15.697 last week. It was my first time at the drag strip, and this is my first RWD car. I can obviously do better

Brett
I just hit 1,000 miles yesterday, so I'll be running this thursday also. We can see who can run the top times then

I think you may have a slight weight advantage on me though haha
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Old 06-12-2012, 09:33 AM   #12
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I just hit 1,000 miles yesterday, so I'll be running this thursday also. We can see who can run the top times then

I think you may have a slight weight advantage on me though haha
Hehe. If I keep missing 3rd it won't matter
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Old 06-12-2012, 09:40 AM   #13
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Hehe. If I keep missing 3rd it won't matter
have you done any mods yet? I'm going to be stock this week, then when they offer a tuning solution, will probably do intake/exhaust/tune.
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Old 06-12-2012, 11:11 AM   #14
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Hey post your slips when you are done. The information on there can tell us alot about what is going on.

I'd like to see more auto numbers from those that figured out how to launch it too. Would be interesing to see if the auto can hit 14.9.
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