Go Back   986 Forum - The Community for Porsche Boxster & Cayman Owners > Porsche Boxster & Cayman Forums > Boxster Racing Forum

 
 
LinkBack Thread Tools Display Modes
Prev Previous Post   Next Post Next
Old 07-01-2013, 04:46 PM   #5
Registered User
 
jb92563's Avatar
 
Join Date: Apr 2012
Location: Riverside, CA
Posts: 1,666
With different tire makes and supposedly different stickiness of the rubber it will probably be a bit difficult to predict how the pressure needs to be adjusted.


I'll give it a shot at explaining and then the experienced racers can correct and fill in the gaps. (I'm still very new to AX, under 10 racing days)


It may be a case of trial an error, but from what I recall was told to me at an AX you start with the tires recommended pressure and then + or - a pound or two of pressure at a time depending on what the tires/car do when cornering hard.

The goal is max tire contact with the pavement and equalizing the front and back adhesion so that you have the best grip possible and equal break away of the front and back under higher G's. To reduce under and over steer.
__________________
"It broke because it wants to be Upgraded "
2012 Porsche Performance Driving School - SanDiego region
2001 Boxster S, Top Speed muffler, (Fred's) Mini Morimotto Projectors, Tarret UDP,
Short Shifter, Touch Screen Dual Din Radio, 03 4 Bow glass Top (DD & Auto-X since May 17,2012)
jb92563 is offline   Reply With Quote
 


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On




All times are GMT -8. The time now is 01:04 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2025, vBulletin Solutions, Inc.
Content Relevant URLs by vBSEO 3.6.0
Copyright 2025 Pelican Parts, LLC - Posts may be archived for display on the Pelican Parts Website -    DMCA Registered Agent Contact Page