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Tire pressure for Toyo Tr1's

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Old Jun 8, 2007 | 05:55 AM
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Default Tire pressure for Toyo Tr1's

My new wheels and tires are being delivered today and I was wondering what tire pressure you guys are running in this setup if you have it.

19" wheels
Toyo Tr1's 245/35/19 and 275/35/19

Daily Driver
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Old Jun 8, 2007 | 06:37 AM
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You will have to call Toyo directly to get the right answer. Everyone's setup is different and if they are running a wrong PSI even for their setup, you wouldn't want to repeat their mistake would you?

I called Toyo about my T1Rs when I got them. They are very helpful people. A lady took down the info on wheels, tire size, car model/year and then an engineer called within the hour with the correct PSI based on my car's weight etc.
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Old Jun 8, 2007 | 06:51 AM
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Originally Posted by usmanasif
You will have to call Toyo directly to get the right answer. Everyone's setup is different and if they are running a wrong PSI even for their setup, you wouldn't want to repeat their mistake would you?

I called Toyo about my T1Rs when I got them. They are very helpful people. A lady took down the info on wheels, tire size, car model/year and then an engineer called within the hour with the correct PSI based on my car's weight etc.
Thanks for the advice. I called them and you are right they are very helpful. Explained to me I need 33 in front and 32 in rear. Good service...
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Old Jun 8, 2007 | 07:12 AM
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That's odd. I called them when I got my first Toyos (T1S). They told me 36 front and 38 rear minimum to match the load capacity to stock. I got almost 35,000 miles on those tires, before buying the T1Rs. I put 37 front and 39 rear in my 19s (8.5" front and 10" rear).

I'm no expert, but the numbers they gave you just seem low, as your aspect ratio results in a "shorter" sidewall than stock, but they're telling you to put less air pressure in than stock.

If I were you, I'd call them back and see if they give you the same numbers they gave you the first time. I'd be curious what they told usmanasif.

Mike (just my .02)
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Old Jun 8, 2007 | 07:19 AM
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Weird. Alright I'll call them back again. Stay posted
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Old Jun 8, 2007 | 07:34 AM
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Originally Posted by MSOsr
I'd be curious what they told usmanasif.
36/35 r/f for the staggered setup with my larger-than-OEM tires. 7,500 miles later, I've experienced no wear-related issues.
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Old Jun 8, 2007 | 07:55 AM
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Ok I called the westcoast # 1st and they gave me 33 f and 32 r. Then I called the eastcoast #. The girl that answered the phone did not immediately know the correct pressure for the rear but said the front should be 33. She put me on hold and a tech got the call. He had me give him the OE tire pressure recommendation and tire specs. After his calculations he said that Toyo really didn't have a recommended pressure for this size tire because it was oversized.

After a while he did some more calculations and said to run 30 psi in the rear. I then told him that some had mentioned 32 and all the way up to 36 psi for the rear. He then said that it would be ok to run 33 or even a little higher based on how I wanted the feel. He was a very nice guy and seemed to knwo his stuff. I just dont think he had a definite answer to give me right in front of him.
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