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Old 05-14-2004, 05:58 PM   #1
Zuffy
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Default Suggested air pressure for Victoracers

I was wondering what people are running for air pressures on their WRX sedans and running Victoracers?
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Old 05-14-2004, 08:13 PM   #2
jmott
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Default Re: Suggested air pressure for Victoracers

Quote:
Originally posted by Zuffy
I was wondering what people are running for air pressures on their WRX sedans and running Victoracers?
how much does your car weigh?
how big are the tires?


the lighter the car, or bigger the tire, the less air you need
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Old 05-14-2004, 10:39 PM   #3
Zuffy
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Currently my Azenis are 205/55/16, but the Victoracers will be 225/50/16.
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Old 05-14-2004, 11:44 PM   #4
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Start at 38F 36R, let them heat up to 40F 38R and see how you like it.

Jay Storm
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Old 05-15-2004, 03:02 AM   #5
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What class are you in?

D stock - This is my class. I use 40F/52R to cancel out the push and get the rear end to come around. On tighter courses, I raise the rear pressure to free it up more. On more open courses, I lower the pressure for some stability at speed (don't want a loose rear with high speed transitions). Most courses are a mix, so I use this as a base. I tried going lower on pressures in the rear to loosen it up. Got down to 25 or so and couldn't get any balance. Much better going high.

Street Mod or E Street Prepared - Not my classes. Presumably, you'd be running a bigger rear bar to take some of the push out. If that's true, you'd be using pressures like Storm quoted.

STX? - Not with Victo's! But a rear sway bar here would put you in the range of Storm's pressures.

Good luck! Enjoy!
Bill
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Old 05-15-2004, 08:52 PM   #6
Zuffy
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Thanks for the replies guys. Looks like everyone runs about 38-40 psi up front, and the backs are adjusted above and below the front tires, depending on how the driver likes their car balanced. I guess it's time for me to get some chalk for the tires!
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Old 05-16-2004, 01:00 PM   #7
mav1c
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Is for autocrossing or track driving?
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Old 05-17-2004, 12:36 PM   #8
Zuffy
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Auto-x in d-stock.
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Old 05-19-2004, 11:55 AM   #9
DetroitWRX
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I ran 40/38 with KYBs full stiff in the rear. Some people run more pressure in the rear to get rid of the oversteer but struts are a beetter fit they do not compromise grip. Start at 40 all around and then adjust to the lowest without getting rollover.
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Old 05-19-2004, 12:03 PM   #10
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DetroitWRX - You're running DS right? I think you mean that you're dialing out UNDERSTEER, not oversteer, right? Out of the box, WRX's tend to push in the front, that's understeer.

I run my Koni SA's at full stiff all around and adjust balance with tire pressures. Shocks only affect things in transition and won't do much to help with steady state balance, like skidpad features. Do you see that at all with your setup?

Bill
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Old 05-19-2004, 01:31 PM   #11
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Quote:
Originally posted by Zuffy
Auto-x in d-stock.
40-42 psi in front/46 psi in rear for a little rotation

2 of the top 3 DS guys here (Gotsol and Arubus) run WRX sedans and this is what they use. It also works well for me in SM as a starting point, although I tend to use less pressure in the rear than they do, due to my suspension setup.

The 3rd of the 3 DS guys runs a WRX wagon and Victos -- send Smiley a PM and he'll tell you what he runs.

Scott
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Old 05-19-2004, 01:33 PM   #12
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I run mine at 40frt warm 36-37 rear warm.

Shocks are AGX's set at 2 frt and 4 rear.

springs are 280 front and 250 rear.

22mm sways all the way around.
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Old 05-19-2004, 08:16 PM   #13
DetroitWRX
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Quote:
dialing out UNDERSTEER, not oversteer, right?
Ya sorry brain fart. The Victos loose grip if they are to hard and I don't like to turn the rears into rocks to dial out understeer.

You can also use bushings to stiffen up the rear. No swaybar endlinks or change of rear bars but polly bushings in the right place work good. You can adjust more than just pressure to get the car to do what you want.
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Old 05-20-2004, 09:09 AM   #14
wrrrx
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Quote:
Originally posted by sdecker
40-42 psi in front/46 psi in rear for a little rotation
Yeah, the pressures I run are closer to what Scott quotes- 42 psi front/44 psi in rear.
Your pressures might not be as high- I'm running an STi in SM, w/ a fairly large rear sway.
I was running higher in back and less in front, but tire chalk doesn't lie!

Russ R

BTW- thanks again for the Victo rec, Scott (and others)- they've been working great!
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