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Old 09-02-2012, 11:34 AM   #1
John W
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Tire Pressure Question

I am curious about what kinds of tire pressures 2012-13 Focus owners are running. Interested in both street and autocross F/R tire pressure.

If this needs to be moved the suspension/brake/tire forum, mods are welcome to relocate it. I just figured this would be a more appropriate place to ask since I'm looking for third gen answers to this question only. It might also be helpful for other third gen owners.


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Old 09-02-2012, 11:41 AM   #2
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I run what is on the inside of the door. Sometimes a bit more around the time of year when theres a large temp difference between day and night.
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Old 09-02-2012, 11:51 AM   #3
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Quote:
Originally Posted by BlueIce View Post
I run what is on the inside of the door. Sometimes a bit more around the time of year when theres a large temp difference between day and night.
Same here, @39 psig. F/R
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Old 09-02-2012, 02:57 PM   #4
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Quote:
Originally Posted by John W View Post
I am curious about what kinds of tire pressures 2012-13 Focus owners are running.
Keep in mind that the recommended tire pressure is not same for all wheel/tire combos. For example, 39 PSI might be the recommended tire pressure or 4 PSI greater than the recommended tire pressure.
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Old 09-02-2012, 03:11 PM   #5
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I run 40 all around
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Old 09-02-2012, 04:57 PM   #6
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My 2012 Titanium with the suspension package and 18" wheels suggest 39 PSI inside the door for front and rear. I have a digital air pressure gauge that is accurate to .1 PSI, so it's easy to keep there.
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Old 09-02-2012, 05:12 PM   #7
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My 2012 SE with sport package 17" wheels I run 46psi front, 40psi rear.
Year round, forthe street.

I learned the value of higher pressures front from my former ride. SVT Contour.
So right offi started on higher pressures with the difference front rear.
On my SVT the difference was best at 8psi less rear.
On my Focus, 6 differential is great.
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Old 09-02-2012, 05:14 PM   #8
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Quote:
Originally Posted by Elizabeth View Post
My 2012 SE with sport package 17" wheels I run 46psi front, 40psi rear.
Year round, forthe street.

I learned the value of higher pressures front from my former ride. SVT Contour.
So right offi started on higher pressures with the difference front rear.
On my SVT the difference was best at 8psi less rear.
On my Focus, 6 differential is great.
More pressure for fuel mileage or improved cornering?
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Old 09-02-2012, 05:39 PM   #9
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I run 40-42psi...best of both worlds...anything below 40 too me is too mushy
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Old 09-02-2012, 06:14 PM   #10
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Quote:
Originally Posted by John W View Post
I am curious about what kinds of tire pressures 2012-13 Focus owners are running. Interested in both street and autocross F/R tire pressure.

If this needs to be moved the suspension/brake/tire forum, mods are welcome to relocate it. I just figured this would be a more appropriate place to ask since I'm looking for third gen answers to this question only. It might also be helpful for other third gen owners.
The reccommended tire pressure by the manufacturer is usually for ride comfort. Whatever tire pressure you choose, make sure you look at the maximum cold tire pressure stamped into the side of your tires. If you go over that pressure when the tires are cold, once they heat up the pressure goes up and could cause tire failure. I buy tires that have a maximum tore pressure fo 45-50 psi since I tend to run 40 psi in my tires in all my cars during the summer. During the winter I back it off for better pothole ride comfort and traction in snow.
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