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  • SN95 4.6L Mustang Tech

Tire Pressure?

  • Thread starter Thread starter scstanger
  • Start date Start date Jun 9, 2006
S

scstanger

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Dec 3, 2003
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Jun 9, 2006
#1
  • Jun 9, 2006
  • #1
Sorry to just post a question on tire pressure, but do you guys recommend keeping tires at the psi recommended by the tire company or by Ford? I got some Fuzion ZR1's and they recommend the tire psi to be 40, but the recommendation by Ford for my 01 GT is 30psi.
Thanks in advance.
 

Firemanz

Only you can prevent Forest Fires!
Founding Member
Dec 13, 2001
4,105
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0
San Antonio, TX
Jun 9, 2006
#2
  • Jun 9, 2006
  • #2
scstanger said:
Sorry to just post a question on tire pressure, but do you guys recommend keeping tires at the psi recommended by the tire company or by Ford? I got some Fuzion ZR1's and they recommend the tire psi to be 40, but the recommendation by Ford for my 01 GT is 30psi.
Thanks in advance.
Click to expand...
The recommended psi is for the stock goodyears that come with the car. If you replace or switch tires, go with the new manufacturer recommendations.
 

Superhereaux

chicks make me feel inadequate
Founding Member
Jul 30, 2002
538
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South Texas
Jun 9, 2006
#3
  • Jun 9, 2006
  • #3
i've got the same tires you have and i run 30psi

i ran 40 for a while and after a few spirited runs on a back road i found the contact patch is about 3 in. each tire

after 30 psi the contact patch is now the whole tread
 

Seraphitia102

will post boobie pics for a supercharger
Oct 11, 2004
737
1
16
California
Jun 9, 2006
#4
  • Jun 9, 2006
  • #4
I run 35psi in the front and 32psi in the rears just to have more of the rubber touch the ground for traction purposes.
 

sgarlic

Founding Member
Apr 21, 2001
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Jun 9, 2006
#5
  • Jun 9, 2006
  • #5
Whatever the tire manufacturer recommends should be done over what Ford says to do.

1) Ford doesn't make your tires. They wouldn't know the correct pressure for any tires other than stock ones.

2) The label on your door with pressure of 30psi is for the stock tires.

That seems pretty obvious right? But a lot of people, for some retarded reason, fill other brand tires with only what the door label says. Come on people, use your heads!
 

Cobra Jay

Member
Apr 7, 2004
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Motor City
Jun 10, 2006
#6
  • Jun 10, 2006
  • #6
sgarlic said:
Whatever the tire manufacturer recommends should be done over what Ford says to do.

1) Ford doesn't make your tires. They wouldn't know the correct pressure for any tires other than stock ones.

2) The label on your door with pressure of 30psi is for the stock tires.

That seems pretty obvious right? But a lot of people, for some retarded reason, fill other brand tires with only what the door label says. Come on people, use your heads!
Click to expand...


:Word:
 

Mustangless

Member
Jun 27, 2003
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Jun 10, 2006
#7
  • Jun 10, 2006
  • #7
What your tires say is probably max psi. They also probably say something like max lbs. IMO, that means if you have the max weight on each tire, then you should have the tires filled to the max psi. If the tires are the same size as stock, I would run the same psi. You can put a little paint, or marker on the tire to see if it wearing on the outsides (to little air) or in the middle (too much air)
 

mustangkid05

New Member
Mar 10, 2006
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Jun 10, 2006
#8
  • Jun 10, 2006
  • #8
im running 35 in all 4 tires
 

jstreet0204

Active Member
Jun 26, 2003
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Winston Salem, NC
Jun 10, 2006
#9
  • Jun 10, 2006
  • #9
sgarlic said:
Whatever the tire manufacturer recommends should be done over what Ford says to do.

1) Ford doesn't make your tires. They wouldn't know the correct pressure for any tires other than stock ones.

2) The label on your door with pressure of 30psi is for the stock tires.

That seems pretty obvious right? But a lot of people, for some retarded reason, fill other brand tires with only what the door label says. Come on people, use your heads!
Click to expand...

I dissagree. Brand of tire makes no difference. The size of the tire does though. If you are using the same size tire as stock, go by the ford pressure.
 
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