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Old 11-03-2009, 08:06 PM   #1
YGOAMG
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Tyre Pressure ... what's yours?



when pumping up ur tyres what tyre pressures do u guys use?

ive also heard of using different pressures on the front than on the back to promote understeer/oversteer ... anyone doing this?


thanks

-Peter
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who da F done that?
prestige warehouse or who?
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Old 11-03-2009, 08:27 PM   #2
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Originally Posted by YGOAMG View Post


when pumping up ur tyres what tyre pressures do u guys use?

ive also heard of using different pressures on the front than on the back to promote understeer/oversteer ... anyone doing this?


thanks

-Peter
I run 34psi at the front & 36psi at the back.

As an aside i've found that a some complaints about understeer & tramlining are actually due to worn FCAB's.
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Old 11-03-2009, 08:29 PM   #3
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I just ran the same all around on the M3 and M Coupe when I had them. I don't reckon you push the car enough on the street to really worry about it too much in a F/RWD setup.

My M3 was corner weighted though.
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Old 11-03-2009, 08:32 PM   #4
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ive got 34 all around..

i might to what uve got Brad..
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who da F done that?
prestige warehouse or who?
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Old 11-03-2009, 09:39 PM   #5
Beamer_Boi_83
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220 front / 260 rear for standard load as per the placard inside the driver's door, checked when tyres cold
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Old 11-03-2009, 09:42 PM   #6
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My tyre Placard reads 260kpa (38psi) Front and 310kpa (44psi) rear. For the standard staggered 18's

Have found this to be ok for long distance cruising (giving slightly better fuel economy).

But for day to day running I use 36psi front and 38psi rear .

If I run my front at 34psi with the 19's it tramlines....... and the rear at anything over 40psi it skips a bit in bumpy twisty sections....

Hope this helps..........
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Old 11-03-2009, 09:45 PM   #7
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As an aside i've found that a some complaints about understeer & tramlining are actually due to worn FCAB's.
Had my FCABs done just before I put on my 19's and find the tramlining to be a pressure related thing........
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Old 11-03-2009, 09:51 PM   #8
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I run 38 cold all around on the 19's, doesn't seem too harsh.
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Old 11-03-2009, 10:40 PM   #9
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40 PSI all round.
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Old 11-03-2009, 11:37 PM   #10
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Like Brad, 34 front, 36 rear. However, I dropped down from 37F / 39R just to try the lower pressure and prefer the feel with the higher pressure, so I will go 36F / 38R. I only have 17s though.


+1 for FCAB change fixes a lot of direction stability issues, and also to Wilawok's comment about tyre pressure playing a part in that.
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Old 11-03-2009, 11:55 PM   #11
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40 PSI all round.
Damn! Why so high?

I run 32psi all around in mine.
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Old 11-04-2009, 12:31 AM   #12
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32psi cold F and 34psi cold rear.
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Old 11-04-2009, 12:40 AM   #13
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Old 11-04-2009, 12:41 AM   #14
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what are FCAB's?
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who da F done that?
prestige warehouse or who?
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Old 11-04-2009, 12:47 AM   #15
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what are FCAB's?
front control arm bushing(s)
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Old 11-04-2009, 12:49 AM   #16
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^^ oh k ye i need mine replaced
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who da F done that?
prestige warehouse or who?
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Old 11-04-2009, 01:01 AM   #17
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40 psi all round too.
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Old 11-04-2009, 01:10 AM   #18
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Old 11-04-2009, 01:56 AM   #19
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Damn! Why so high?

I run 32psi all around in mine.
Because that is what I was advised to put in them by Continental
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Old 11-04-2009, 02:07 AM   #20
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40 f, 44 r.
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