2.3 front/1.9 back
15 November 2008, 12:32 PM
#1
2.3 front/1.9 back
These are recommended pressures for MY06 STI (RE070 standard).
This is a difference of 6psi front to back.
Seems a lot to me, anybody out there have any comments on this?
This is a difference of 6psi front to back.
Seems a lot to me, anybody out there have any comments on this?
15 November 2008, 01:04 PM
#2
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Fronts have to steer and put down the power, so take more hammer, mine always wear faster on the front than the rear. Raising the rear pressure will stiffen the sidewall and may induce oversteer 
imho
DunxC
imho
DunxC
15 November 2008, 05:24 PM
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i run mine at 35fr/31rr (psi
). Some run even higher on track and probably road. Not heard of anyone running 6psi difference though but i'm sure someone will correct me if i'm wrong.
Aaron
). Some run even higher on track and probably road. Not heard of anyone running 6psi difference though but i'm sure someone will correct me if i'm wrong.Aaron
17 November 2008, 09:53 AM
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I use about the same as Dunx, anything less seems to tear the outside shoulder off the NSF particularly on abrasive surfaces. Possibly use less pressure with 888s (and/or on smooth tracks) as they have very stiff sidewalls. Also note the front of the car is a lot heavier as another reason for higher pressure. Toyo website has a guide on 888 pressures which I can't find at present, I keep a paper copy of this in my track day spares box.
17 November 2008, 11:12 AM
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I learnt from you oh wise one
I use about the same as Dunx, anything less seems to tear the outside shoulder off the NSF particularly on abrasive surfaces. Possibly use less pressure with 888s (and/or on smooth tracks) as they have very stiff sidewalls. Also note the front of the car is a lot heavier as another reason for higher pressure. Toyo website has a guide on 888 pressures which I can't find at present, I keep a paper copy of this in my track day spares box.
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