Tire pressure 2020

John8

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What tire pressure are you running with stock tires? With the balance of the Supra, are you running anything different front to rear?
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38/38 as per door jam.

Right now 45/45 as she is in hibernation.
 
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John8

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38/38 as per door jam.

Right now 45/45 as she is in hibernation.
I assume you like the results of that tire pressure?
 

romanLegion9574

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37/37 cold for regular driving. It usually warms up to 39 or 40 in the northwest. If I'm running it harder, like track days, I'll be looking for not more than 35 hot.

You have to remember that your tires will gain pressure as they warm up, and outside temperatures also affect it. What sort of driving you intend to do also matters. What works for us may not work for you.
 
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John8

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37/37 cold for regular driving. It usually warms up to 39 or 40 in the northwest. If I'm running it harder, like track days or spirited driving, I'll be looking for not more than 36 hot.

You have to remember that your tires will gain pressure as they warm up, and outside temperatures also affect it. What works for us may not work for you.
Yes, I know they gain pressure and cold is pounds different from hot but wondering what most are running. Thank you.
 

romanLegion9574

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Yes, I know they gain pressure and cold is pounds different from hot but wondering what most are running. Thank you.
As mentioned before, I run 37/37 cold for regular driving and it warms up to near 40 when its about 65-75 outside. I think I was running closer to 33-34 when it was about 90 during the heatwave in June (this is Seattle, 80 is considered hot). Helps save a little bit on gas if I'm just running errands or whatnot.
 

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What tire pressure are you running with stock tires? With the balance of the Supra, are you running anything different front to rear?
Track use or street driving? What tires?

For me:
Track with A052 tires, hot pressure:
F: 34
R: 33

Track with RT660 tires, hot pressure
F: 34
R: 32-33

Slightly higher PSI in front helps balance the car in my opinion. Keeps the rear in check under power when coming out of corners on track.

Street driving with stock PSS, 38 PSI all around per door jam.
 

puzzled

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I assume you like the results of that tire pressure?
Honestly I don't know the car well enough so just went by what the manufacturer recommended. Knowing that is usually bias towards comfort, I use closer to 39/39.

Why is she in hibernation? It's only September.
I know, right? I have 2 other cars I need to hibernate before it gets too cold and villages starts spraying that icemelt crap. My Golf-R is next.
 

gcmak

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Track use or street driving? What tires?

For me:
Track with A052 tires, hot pressure:
F: 34
R: 33

Track with RT660 tires, hot pressure
F: 34
R: 32-33

Slightly higher PSI in front helps balance the car in my opinion. Keeps the rear in check under power when coming out of corners on track.

Street driving with stock PSS, 38 PSI all around per door jam.
Are you on a square setup now?
Read the a052 likes ~35psi hot for heavier cars and more camber.
 

Vimugsy011

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I am wondering the same thing for my R888R, trying to improve launch times. I went with 285 and probably should have gone with 305, running Stage 2 e30. Anyone running those tires that dialed in the pressure for the best traction?
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