Staggered set up at the track - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

CSG Mike · 06-07-2015, 11:14 PM

Quote:

Originally Posted by JS + BRZ

Can you enlighten us why they are doing it? Thanks.

For most people? "because the fast guys do it". Why do the fast guys do it? So they can rotate tires.

The proven formula is high end coilovers, unbalanced front/rear aero, and square tires.

AyJay · 06-07-2015, 11:53 PM

I've seen s2ks w/o aero be successful using a squared setup on track and especially on autoX courses. U just need the right mix of suspension tuning (spring rates, shock tuning, and front sway bar) to counter the increase in front end traction. Like Mike said tho, most track guys do achieve that balance thru rear aero.

Sammakko · 06-08-2015, 01:52 AM

no reason to stagger a non mid/rear engine'd car with stockish power levels.

JS + BRZ · 06-08-2015, 02:28 AM

Quote:

Originally Posted by CSG Mike

For most people? "because the fast guys do it". Why do the fast guys do it? So they can rotate tires.

The proven formula is high end coilovers, unbalanced front/rear aero, and square tires.

Lol thx

brn12345 · 06-09-2015, 07:46 AM

Quote:

Originally Posted by CSG Mike

For most people? "because the fast guys do it". Why do the fast guys do it? So they can rotate tires.

The proven formula is high end coilovers, unbalanced front/rear aero, and square tires.

What do you mean by "unbalanced front/rear aero".

wparsons · 06-09-2015, 10:45 AM

Quote:

Originally Posted by brn12345

What do you mean by "unbalanced front/rear aero".

Unbalanced aero would be more aero grip at one end than the other. I would imagine in an S2K on square tire sizes you'd shift the aero balance rearward so you have good rotation at low speeds without it trying to kill you at high speeds.

Racecomp Engineering · 06-09-2015, 10:59 AM

Quote:

Originally Posted by wparsons

Unbalanced aero would be more aero grip at one end than the other. I would imagine in an S2K on square tire sizes you'd shift the aero balance rearward so you have good rotation at low speeds without it trying to kill you at high speeds.

That's usually the proper way to do aero for any car (though rarely is aero done properly).

- Andrew

CSG Mike · 06-09-2015, 12:38 PM

Quote:

Originally Posted by brn12345

What do you mean by "unbalanced front/rear aero".

A disproportionate amount of rear aero is added to the point where the car heavily understeers at speed. The rear aero is adjusted to each track, so that the terminal understeer doesn't hinder the car.

brn12345 · 06-10-2015, 04:51 PM

Quote:

Originally Posted by wparsons

.... so you have good rotation at low speeds without it trying to kill you at high speeds.

Exactly what happens to me last April. Had a nice bump in the barrier due to high speed rear looseness.

CSG Mike · 06-10-2015, 05:10 PM

Quote:

Originally Posted by brn12345

Exactly what happens to me last April. Had a nice bump in the barrier due to high speed rear looseness.

Ouch...

wparsons · 06-10-2015, 06:53 PM

Ouch is right, that's a solid hit!

swarb · 06-10-2015, 07:04 PM

You could blame the accident on the looseness. Or you can blame the over correction.

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06-07-2015, 11:53 PM	#16
AyJay Senior Member Join Date: Apr 2013 Drives: 22 GR86, 13 FR-S, AP2 S2000 Location: Sac, NorCal Posts: 407 Thanks: 208 Thanked 220 Times in 118 Posts Mentioned: 14 Post(s) Tagged: 0 Thread(s)	I've seen s2ks w/o aero be successful using a squared setup on track and especially on autoX courses. U just need the right mix of suspension tuning (spring rates, shock tuning, and front sway bar) to counter the increase in front end traction. Like Mike said tho, most track guys do achieve that balance thru rear aero.

06-08-2015, 01:52 AM	#17
Sammakko Bilge monkey Join Date: Feb 2010 Drives: '13 BRZ, 82 starlet Location: South King County Posts: 370 Thanks: 74 Thanked 216 Times in 113 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	no reason to stagger a non mid/rear engine'd car with stockish power levels.

06-10-2015, 07:04 PM	#26
swarb Senior Member Join Date: Sep 2014 Drives: BRZ Location: Los Angeles Posts: 3,053 Thanks: 1,773 Thanked 2,451 Times in 1,271 Posts Mentioned: 79 Post(s) Tagged: 0 Thread(s)	You could blame the accident on the looseness. Or you can blame the over correction.

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