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Dealer Loves 40/44 PSI

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Old May 29, 2013 | 11:09 AM
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Dealer Loves 40/44 PSI
Just had my car in for an oil change...sure enough it came back with the tires filled up to 40/44 I wonder why they make it so high and above what it says in the manual?

I typically keep it at 34/38.
 
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Old May 29, 2013 | 12:19 PM
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if i recall correctly, the door sticker says 36F, 44R.
 
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Old May 29, 2013 | 12:26 PM
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It depends on wheel size, but 40/44 sounds high still.


I run 37/41 on 20"s.
 
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Old May 29, 2013 | 02:54 PM
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Yep...but from what I've read on this board it seems like 34/39 is the sweet spot.

Running 19's
 
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Old May 29, 2013 | 06:56 PM
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37/44 is what is recommended for a C2S. I don't run anything but I have 19" wheels with 295 rears.
 
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Old May 29, 2013 | 07:15 PM
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I run 33/37 psi on 19" mpss.
 
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Old May 29, 2013 | 07:52 PM
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That's with a full load which is 2 people plus luggage. 1 or 2 people no luggage mine says 36/40
 
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Old May 30, 2013 | 09:09 AM
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What he said. Those are max pressures with a fully loaded car
 
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Old Jun 1, 2013 | 06:16 PM
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I usually go 36 front 38 rear for a more comfortable ride.
 
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Old Jun 2, 2013 | 07:43 AM
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34/37 on my c4S. If you have PSS you'll see the psi go up with driving esp in summer
 
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Old Jun 2, 2013 | 09:22 AM
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I've noticed that on my PSS's. What is the typical outside temp when you set to 34/37?
 
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Old Jun 2, 2013 | 09:28 AM
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Originally Posted by jsimon77
I've noticed that on my PSS's. What is the typical outside temp when you set to 34/37?
68 degrees amb temp and 0 ft elevation.

There's a chart floating around in an older post that
Displays adjustments for amb temp and elevation.
I'll see if I can dig it up.
 
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Old Jun 2, 2013 | 10:30 AM
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In Seattle so 50-60s
 
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Old Jun 2, 2013 | 11:58 AM
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First, I'd ask the dealer........my best guess is that either his gauge or yours is off.
 
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