Tire pressure
Instructor
Joined: Nov 2015
Posts: 218
Likes: 19
From: Port Vue PA
Maintaining pressure is a "moving" target!
My target us 30-32 when "Hot"... So I set them between 26-28 when "Ice Cold"...
The problem is I can get all four set right and then after a week or so, one or more will change (get lower)... Hence the "Moving Target" comment...
Good Luck!
My target us 30-32 when "Hot"... So I set them between 26-28 when "Ice Cold"...
The problem is I can get all four set right and then after a week or so, one or more will change (get lower)... Hence the "Moving Target" comment...
Good Luck!
Pro
Joined: Aug 2015
Posts: 595
Likes: 141
From: Virginia
Generally 30-35 is acceptable. Lots of people do 32 "to be safe."
When the dealership realigned my Z51 for street driving, I asked them to changed it to 32 cold in preparation for the upcoming colder weather. My goal is to aim for 30-32 cold. My theory is this is the best average between comfortable ride and MPG.
When the dealership realigned my Z51 for street driving, I asked them to changed it to 32 cold in preparation for the upcoming colder weather. My goal is to aim for 30-32 cold. My theory is this is the best average between comfortable ride and MPG.
Burning Brakes
Joined: Aug 2016
Posts: 872
Likes: 80
From: Va Beach, VA
Also, reducing tire pressure by 4 lbs may allow for slightly better traction, but it will also increase wear and reduce fuel economy.
Last edited by ZMan64; Sep 28, 2016 at 10:26 AM.
Burning Brakes
Joined: Jul 2016
Posts: 818
Likes: 179
From: Los Angeles
35 Because run flats and pot holes are a terrible combination.
I use a digital inflator and I like to have all 4 tires to be exactly the same pressure. I think I have OCD.
I use a digital inflator and I like to have all 4 tires to be exactly the same pressure. I think I have OCD.
Last edited by Eff A Ford; Sep 28, 2016 at 11:14 AM.
Team Owner
Joined: Sep 2014
Posts: 26,430
Likes: 493
Sorry, I should have been more clear. I run 32 psi cold in my vehicles. My reference to the tire sidewall specs was meant to be understood as I would not exceed the psi indicated on the tire sidewall.
Also, reducing tire pressure by 4 lbs may allow for slightly better traction, but it will also increase wear and reduce fuel economy.
Also, reducing tire pressure by 4 lbs may allow for slightly better traction, but it will also increase wear and reduce fuel economy.
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Burning Brakes
Joined: Jun 2002
Posts: 771
Likes: 136
From: Vacaville Ca
My 2015 Z06 door pillar says 30psi cold front and rear. During hot days I have seen my tire pressure run as high 38psi .
My 2014 Impala 2LTZ the door piller says 33psi cold front and rear you would think chevrolet would stick to even tire pressures . So I run it at 35 psi
My 2014 Impala 2LTZ the door piller says 33psi cold front and rear you would think chevrolet would stick to even tire pressures . So I run it at 35 psi
Team Owner
Joined: Sep 2014
Posts: 26,430
Likes: 493
Advanced
Joined: May 2016
Posts: 95
Likes: 17
From: Bay Area
They're run flats so it doesn't matter what pressure you have in them <--- I intended this as a joke 
'16 Z51 package. Got from dealer w 35psi, local dealer that does my service sets them to 31. That's where i leave them now
<--- I intended this as a joke '16 Z51 package. Got from dealer w 35psi, local dealer that does my service sets them to 31. That's where i leave them now
Last edited by EPPPSB; Sep 28, 2016 at 10:05 PM.
Best handling at 26 psi cold. Higher than 30 puts increased stress on wheels when you hit potholes.