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Maybe you would like to experiment with 40 psi, instead of 36? It's the MAX minus 10% rule.
With taller sidewalls you are still absorbing morethan with the previous, lower tires.
Plus, as a few tire specialists have told me - A bit more pressure better protects the rim from potholes.
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I was running 36psi on my old tires before the blowout. With that tire pressure the 155/65/14 were hard as a rock.
On the other hand 36psi is plenty comfortable on the new 155/80/13s. Its also recommended by the door labels for fully loaded configuration.I did try 40psi but it seemed a bit harder now (closer to the 14s in feeling) so went back to 36. I would love to do max psi but I have to balance it out with the terrible roads and potholes I have here.
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Originally Posted by cRiPpLe_rOoStEr
Anything other than Chinese nowadays has been either 165/70 or 175/70 while 145/80 and 155/80 which used to be quite common in my country have been a PITA to find. Odd enough, it's still easier to find those measures in neighboring countries where Asian cars used to be more common than here prior to the '90s. Uruguay and Paraguay for instance have been the way to go for 13" and even 12" tires.
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Even in the Philippines 155/80 is now very hard to find. 175/70/13s are more common. 175/65/14 is the most common sedan tire here since it's used mostly by taxis and the most popular sedan around--Toyota Vios.