So after having the Front-end Suspension TSB done back in Jan and having a couple months to experiment with various pressure amounts, I believe I have settled on what for me feels like the best cold tire pressure matched to the suspension to get the best possible comfort and "confidence" in the overall ride feel of the car.
Cold Tire Pressure:
35F/34R
I have tried the following as well:
35F/33R (manf specs, however flat, brittle, harsh ride)
36F/35R (too bouncy)
36F/34R (too much drag, and also flat, brittle, harsh)
What I have found to be very interesting is how the ride settles once the tires warm up across these various settings. The car's overall suspension, acceleration, and performance handling seems to be optimal once the tires hit around 37F/35R.
At the 35F/34R cold tire pressure settings, my tires eventually max out at around 38F/36R or sometimes 39F/37R depending on weather conditions once they've warmed up a bit from driving around. I've never owned or driven a car whereby the handling, performance, and confidence of the suspension was so sensitive to the tire pressure. MY TL was far more forgiving than the RLX. My only guess is this is attributed to the design flaws that are now being corrected in the 2016 model. It was also interesting to see how the slightest changes or offset across Left and Right tires (particularly in the front) would cause a noticeable difference in how smooth general handling was even on smooth road surfaces. A small .5 PSI off and I'd loose that laser smooth response that the RLX is really good at (again, on smooth road surfaces).
Curious to see what others are currently using for their cold tire pressure settings.
Cold Tire Pressure:
35F/34R
I have tried the following as well:
35F/33R (manf specs, however flat, brittle, harsh ride)
36F/35R (too bouncy)
36F/34R (too much drag, and also flat, brittle, harsh)
What I have found to be very interesting is how the ride settles once the tires warm up across these various settings. The car's overall suspension, acceleration, and performance handling seems to be optimal once the tires hit around 37F/35R.
At the 35F/34R cold tire pressure settings, my tires eventually max out at around 38F/36R or sometimes 39F/37R depending on weather conditions once they've warmed up a bit from driving around. I've never owned or driven a car whereby the handling, performance, and confidence of the suspension was so sensitive to the tire pressure. MY TL was far more forgiving than the RLX. My only guess is this is attributed to the design flaws that are now being corrected in the 2016 model. It was also interesting to see how the slightest changes or offset across Left and Right tires (particularly in the front) would cause a noticeable difference in how smooth general handling was even on smooth road surfaces. A small .5 PSI off and I'd loose that laser smooth response that the RLX is really good at (again, on smooth road surfaces).
Curious to see what others are currently using for their cold tire pressure settings.