Tire pressures run-flats
#1
Tire pressures run-flats
I just switched from the 16in. 5 spoke star rims to my set of 16in V-spoke rims for the first time and I have noticed how firm the car rides now. I have the Goodyear run-flats on the 5 stars and Dunlop run-flats on the V-spokes.
What is the REAL recommended tire pressures on these types of tires. Specifically the Dunlops. These tires are now running at 45psi. The max is 51psi. My Goodyears didn't ride as stiff as the Dunlops do.
Any input on these Dunlop run flats would be greatly appreciated. Cheers!
What is the REAL recommended tire pressures on these types of tires. Specifically the Dunlops. These tires are now running at 45psi. The max is 51psi. My Goodyears didn't ride as stiff as the Dunlops do.
Any input on these Dunlop run flats would be greatly appreciated. Cheers!
#3
#4
#5
Dealer had my presures set at 43.5 ???
Hi,
We just picked up our new 2005 MCS and the tire pressure was set at 43.5 psi. Inside the door jam it says set them to 38 psi. What gives? Do you think that the dealer messed up? I ordered the car with the mini lights 17 inch run flat tires.
Thanks
We just picked up our new 2005 MCS and the tire pressure was set at 43.5 psi. Inside the door jam it says set them to 38 psi. What gives? Do you think that the dealer messed up? I ordered the car with the mini lights 17 inch run flat tires.
Thanks
#6
Hah! Mine were 51 lbs. when I took delivery. I run 33-34 front & rear for street driving.
Originally Posted by iss49698
Hi,
We just picked up our new 2005 MCS and the tire pressure was set at 43.5 psi. Inside the door jam it says set them to 38 psi. What gives? Do you think that the dealer messed up? I ordered the car with the mini lights 17 inch run flat tires.
Thanks
We just picked up our new 2005 MCS and the tire pressure was set at 43.5 psi. Inside the door jam it says set them to 38 psi. What gives? Do you think that the dealer messed up? I ordered the car with the mini lights 17 inch run flat tires.
Thanks
#7
Originally Posted by iss49698
Hi,
We just picked up our new 2005 MCS and the tire pressure was set at 43.5 psi. Inside the door jam it says set them to 38 psi. What gives? Do you think that the dealer messed up? I ordered the car with the mini lights 17 inch run flat tires.
Thanks
We just picked up our new 2005 MCS and the tire pressure was set at 43.5 psi. Inside the door jam it says set them to 38 psi. What gives? Do you think that the dealer messed up? I ordered the car with the mini lights 17 inch run flat tires.
Thanks
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#8
Temp. can change tire pressure. For an ambient temp change of 10 degrees, tire pressure will increase or decrease 1 lb. This is for a tire that has not been run for couple hours and is not in direct sunlight. ie: If pressure at 70 degrees was 34 lbs., you will see 33 lbs. if temp drops to 60 degrees. Usually, temps are stated at 70 degrees F. so, if it is 50 and I want 34 lbs, I set tire pressure to 32 lbs.
#9
Originally Posted by apexer
Temp. can change tire pressure. For an ambient temp change of 10 degrees, tire pressure will increase or decrease 1 lb. This is for a tire that has not been run for couple hours and is not in direct sunlight. ie: If pressure at 70 degrees was 34 lbs., you will see 33 lbs. if temp drops to 60 degrees. Usually, temps are stated at 70 degrees F. so, if it is 50 and I want 34 lbs, I set tire pressure to 32 lbs.
Alex
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