1/4 Mile times - Page 14 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Dipstik-sportech · 11-17-2014, 05:50 PM

You want the compression as soft as possible and the rebound stiff so the car squats on launch and stays down the front you want the opposite, you want it to lift so it transfers weight and stays up to keep it on the rear.

M23 · 11-18-2014, 05:13 PM

Bone stock 200whp... E85 bro
[ame]http://m.youtube.com/watch?v=0lnEjOuQGBc[/ame]

SubiePig · 11-19-2014, 08:40 AM

If the rear end squats that means that the rear springs/shocks are not pushing the rear tires into the ground. They are just compressing. For the most part you don't want the rear to squat because you want some resistance from the springs/shocks to transfer the force/weight to the tires. Look at really quick drag cars, the rear doesn't move, the front lifts and settles.

00vsmcoupe · 11-19-2014, 09:22 AM

14.7 @ 95.33 mph with a 2.3 60'

I definitely need to work on my launch...

toeout · 11-19-2014, 09:25 AM

Quote:

Originally Posted by SubiePig

For the most part you don't want the rear to squat because you want some resistance from the springs/shocks to transfer the force/weight to the tires.

This.

You want load to transfer to the rear tires up as quickly as possible. Rear shocks resisting compression achieve exactly that.

I've also had similar experience at autocross. Looseness at corner exit was improved by going up in rear compression.

M23 · 11-20-2014, 07:36 PM

Fastest 86?
[ame="https://www.youtube.com/watch?v=3Yt_1UGC5NU&list=UUzATULZgzL0wzLAk0N4sfNA"]EKanooRacing GT86-2JZ Runs 6.85@325 KM/H During BDRC Round 1 Semi Final - YouTube[/ame]

And an SUV that eats stock 86's for bfast:
[ame="https://www.youtube.com/watch?v=bPTpj3CjxCA&list=UUzATULZgzL0wzLAk0N4sfNA"]EKanooRacing's Supercharged Lexus LX570 runs 13.7@160KM/H (100MPH ) - YouTube[/ame]

Dipstik-sportech · 11-20-2014, 07:49 PM

Quote:

Originally Posted by toeout

This.

You want load to transfer to the rear tires up as quickly as possible. Rear shocks resisting compression achieve exactly that.

I've also had similar experience at autocross. Looseness at corner exit was improved by going up in rear compression.

I mean I went from a 1.9 to a 1.77 60ft by doing exactly what I said so...... Most shocks even set to full soft won't compress with zero resistance. It also depends if you're running slicks or radials, slicks have a really soft sidewall so that helps in aiding weight transfer which would explain why full drag cars can run stiffer shock settings.

autobot84 · 12-31-2014, 02:56 AM

Quote:

Originally Posted by Dipstik-sportech

I mean I went from a 1.9 to a 1.77 60ft by doing exactly what I said so...... Most shocks even set to full soft won't compress with zero resistance. It also depends if you're running slicks or radials, slicks have a really soft sidewall so that helps in aiding weight transfer which would explain why full drag cars can run stiffer shock settings.

I saw your Sig, was wondering if you had or have any gearbox issues?

Dipstik-sportech · 12-31-2014, 10:45 AM

Quote:

Originally Posted by autobot84

I saw your Sig, was wondering if you had or have any gearbox issues?

None that have been power related yet.

Mike Brz · 01-25-2015, 07:22 AM

What tire size do u guys run in the rear? I was thinking of going with 16x8 rims and a smaller rolling diameter than stock for better gearing

Amaya · 01-31-2015, 10:33 PM

Best e/t, it's only a 1/8 mile but hopefully I will get out to a 1/4 mile track soon. Stock frs, stock wheels/tires, no weight reduction in fact probably an additional 10lbs of stuff was in it.
This was my first time out to a drag strip. I'm not sure how well I did but looking around it seems like this is pretty decent for stock.

DrewsBRZ · 02-01-2015, 04:01 AM

First run ever with my SBD Turbo BRZ. Mods include SBD turbo, Nameless 2.5" FP/OP combo, Tomei 3" cat-back, 18X9.5" with 265/35/18 Michelin PSS, Fortune Auto 510's.

I had some big problems with launching and need to learn some things about how to launch. I would spin all the way through first but grab good in second.

First run of the night
2.8800 60'
14.8699 1/4 mile
100.94 MPH

Second run of the night
2.5521 60'
15.0118 1/4 mile
98.04 MPH

Third run of the night
2.6830 60'
14.8930 1/4 mile
97.88 MPH

Last run of the night
2.6980 60'
14.6920 1/4 mile
98.69 MPH

Drags were in Guam on a most likely not perfect track in about 85* weather.

Fiebruz Motorsports · 03-05-2015, 11:07 AM

We have a few problems with our account and all our post were deleted.

So, We're going to repost the video

[ame="http://youtu.be/Jq1yq9n9V9I"]http://youtu.be/Jq1yq9n9V9I[/ame]

Also, we are glad to be in the 2014 Ecutek Highlights

Cockatoo · 03-05-2015, 11:45 AM

Awesome time!

11-17-2014, 05:50 PM	#183
Dipstik-sportech Senior Member Join Date: Oct 2012 Drives: 2013 BRZ satin white pearl sportech Location: Thunder Bay Ontario Canada Posts: 1,813 Thanks: 842 Thanked 911 Times in 576 Posts Mentioned: 43 Post(s) Tagged: 0 Thread(s)	You want the compression as soft as possible and the rebound stiff so the car squats on launch and stays down the front you want the opposite, you want it to lift so it transfers weight and stays up to keep it on the rear. __________________ 2013 SWP BRZ sportech. 11.11sec@129.01mph, 511whp on e70. FullBlown base kit, FullBlown built 9.5:1 engine, GTX3076R GEN2 turbo, 1700cc Bosch injectors, FullBlown flex fuel kit, FullBlown radiator and oil cooler, FullBlown custom 3" dual exit exhaust, act xtreme clutch, whiteline diff and subframe inserts, BC Racing coilovers, hotchkiss 18mm rear sway, is300 3.73 differential ... Never finished

11-19-2014, 08:40 AM	#185
SubiePig Senior Member Join Date: Apr 2013 Drives: -'02 PSM WRX, '94 Miata, '13 BRZ Location: Lafayette, Louisiana Posts: 438 Thanks: 188 Thanked 155 Times in 112 Posts Mentioned: 13 Post(s) Tagged: 0 Thread(s)	If the rear end squats that means that the rear springs/shocks are not pushing the rear tires into the ground. They are just compressing. For the most part you don't want the rear to squat because you want some resistance from the springs/shocks to transfer the force/weight to the tires. Look at really quick drag cars, the rear doesn't move, the front lifts and settles. __________________ Sponsered by:Chasebays/Corr Performance Tuning/KartBoy/Bad Panda Motorsports/Racer-X Fabrication STX Build thread 14th/67 SCCA Nationals (2014)

03-05-2015, 11:07 AM	#195
Fiebruz Motorsports Member Join Date: Sep 2013 Drives: 2013 RB Turbo FRS, 2013 N/A FRS Location: Caguas, PR Posts: 45 Thanks: 20 Thanked 134 Times in 38 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Repost We have a few problems with our account and all our post were deleted. So, We're going to repost the video [ame="http://youtu.be/Jq1yq9n9V9I"]http://youtu.be/Jq1yq9n9V9I[/ame] Also, we are glad to be in the 2014 Ecutek Highlights

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11-18-2014, 05:13 PM	#184
M23 Banned Join Date: Sep 2014 Drives: 86 Location: Penisville SoCal Posts: 344 Thanks: 197 Thanked 88 Times in 58 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Bone stock 200whp... E85 bro [ame]http://m.youtube.com/watch?v=0lnEjOuQGBc[/ame]

11-19-2014, 09:22 AM	#186
00vsmcoupe Senior Member Join Date: Jan 2013 Drives: FRS Location: PA Posts: 200 Thanks: 29 Thanked 73 Times in 23 Posts Mentioned: 0 Post(s) Tagged: 2 Thread(s)	14.7 @ 95.33 mph with a 2.3 60' I definitely need to work on my launch...

11-20-2014, 07:36 PM	#188
M23 Banned Join Date: Sep 2014 Drives: 86 Location: Penisville SoCal Posts: 344 Thanks: 197 Thanked 88 Times in 58 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Fastest 86? [ame="https://www.youtube.com/watch?v=3Yt_1UGC5NU&list=UUzATULZgzL0wzLAk0N4sfNA"]EKanooRacing GT86-2JZ Runs 6.85@325 KM/H During BDRC Round 1 Semi Final - YouTube[/ame] And an SUV that eats stock 86's for bfast: [ame="https://www.youtube.com/watch?v=bPTpj3CjxCA&list=UUzATULZgzL0wzLAk0N4sfNA"]EKanooRacing's Supercharged Lexus LX570 runs 13.7@160KM/H (100MPH ) - YouTube[/ame]

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03-05-2015, 11:45 AM	#196
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