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post #1 of 6 (permalink) Old 05-04-2012, 12:10 PM Thread Starter
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Air pressure

got my new 17" Oe Mazda 6 rims, design 121.
what tire pressure should i use for my tires ?
215/50 91h bridgestoen potenza
2,2 front and 2,4 back ? it's a 2004 Wagon and got 2 heavy 12" woofers and 3 amps in the back. with a big subenclosure.
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post #2 of 6 (permalink) Old 05-04-2012, 12:18 PM
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probably 35 front and if you have alot of weight in the back...dont go above 40. i do 35 all around.


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post #3 of 6 (permalink) Old 05-04-2012, 12:19 PM Thread Starter
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Originally Posted by corey6 View Post
probably 35 front and if you have alot of weight in the back...dont go above 40. i do 35 all around.

Thanks for the quick answer
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post #4 of 6 (permalink) Old 05-04-2012, 02:08 PM
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+1 to 35 psi.


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post #5 of 6 (permalink) Old 05-04-2012, 03:24 PM
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I run my 215/50s at 35 all around.

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post #6 of 6 (permalink) Old 05-06-2012, 11:53 AM
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Quote:
Originally Posted by vang1 View Post
got my new 17" Oe Mazda 6 rims, design 121.
what tire pressure should i use for my tires ?
215/50 91h bridgestoen potenza
2,2 front and 2,4 back ? it's a 2004 Wagon and got 2 heavy 12" woofers and 3 amps in the back. with a big subenclosure.
These are eurometric 17" tires with a 91-SL load series, not usually available in the US. They take just 1 more psi vs our 17" 93-XL (32 psi @ door B-piller), for the same max car load capacity. These 17" tires only have a 36 psi max running pessure with 1356 lbs on the tire, vs the 41 psi max for the US 93-XL tires with
1433 lbs on the tire.

Bottom line, your 17" tires are not as strong as the 17" 93-XL's that are oem in the US.

I suggest trying 34 psi all around, and check if the rears "squish out" more than fronts, due to the stereo load + friends & stuff inside. If they do bulge out more than fronts, up the rears to 36 psi.

.

04 6S atx hatch
93 RX-7, 75 Trident

Last edited by KevinK2; 05-15-2012 at 11:13 AM.
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