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Old 01-23-2021, 07:05 PM   #2
krzyss
Scooby Specialist
 
Member#: 8365
Join Date: Jul 2001
Location: Massachusetts
Vehicle:
2019 Mazda MX-5 RF
Machine Grey

Default

Mazda puts "use 3 PSI more in winter tires" but it may be more about ambient temperature.
Early morning temperature may be very different from mid day.

Myself I use sticker PSI + 10%.

Krzys
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