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- Plano, Texas, USA
I kind of agree with you that inflating the mini spare to its maximum inflation pressure (60 psi) is a bit scary. I’ve been putting 62 psi to compensate cold weather coming. And the tire companies design the mini spare which can held 60 psi should have some build-in safety margin for a bit higher tire pressure.Inflating the donut to 60psi scares me.