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Old 11-12-2004, 02:56 PM   #1
SolidSnake
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Member#: 74034
Join Date: Nov 2004
Chapter/Region: South East
Location: Okinawa, JP
Vehicle:
2004 426whp 403wtq
Top Speed Tuned STi!

Default What is the Best psi to run for a 1/4 mile race

Does anone know what the best psi it is to run at the 1/4 mile track on factory STi BBS 17" with the stock 070 bridgstone tires?
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Old 11-12-2004, 05:43 PM   #2
Gonz
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Join Date: May 2002
Chapter/Region: MAIC
Location: MAIC
Vehicle:
2005 Impreza WRX STi

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Run as much as the tires allow, maybe 50 PSI. This has the advantage of reducing rolling resistance as well as giving you a better chance of slightly spinning the tires at launch, rather than spinning the clutch, etc.

G
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Old 11-14-2004, 09:15 PM   #3
zmw
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Member#: 13181
Join Date: Dec 2001
Chapter/Region: TXIC
Location: The Schlit
Vehicle:
97 Supra
FAST

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uhhh, i disagree, if i air that up my tires that much I can completely smoke them, i have to lower mine to 20psi ish to even get good traction for a nice hard launch

-Z
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Old 11-14-2004, 10:05 PM   #4
unkadave
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Join Date: Feb 2004
Location: Careful with that Ax,.. Earl
Vehicle:
02 wrx wgn 2.5
Keep Right

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Good grip in second gear 278whp
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