Vehicle stabilty

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for sure this is true, but hard to find?
the exact tire!, has a data sheet, the car engineer has that, he reads it
and sees the chart is matrix

air pressure , and weight on each tire, (mine is 500lbs per tire,2 door)
it shows, best pressure per exact tire you have and no others. side all flex and tread flex, are complex.(and work together)

[/u]I tried the 2 PSI extra in the rear tires. Roads were damp not freezing rain and temps in upper 30s. Subjectively, I seemed to notice the back of the vehicle more. Bumps seemed sharper. I am not sure I had more control. Hard to be sure if the tire or just me being more observant.

is tire P205, LT205,???????
see? there are many 205 class tires,
and each has a perfect pressure to stop cupping and crowning.

good question. I verified with TireRack that the General Grabber AT2 tires are a light truck tires. The sidewalls say 205/75-15. I purchased these tires over others as this tire in this size does have the snowflake symbol. I work in home nursing and need to drive in all weather and have historically been pleased when I spent the money for a true snow rated tire. Subjective observation is this tire has softer rubber than I have seen before plus the sidewalls deflect when I push them and my others tires in life have not presented this way. Not saying right or wrong, but just noting. I noted yesterday that this tire has no longitudinal grooves but instead has a block pattern. My other snow tires did have grooves that went around circumference in the direction of travel. The tire is described as a combination on road-off road tire. Maybe a block pattern is less stable?

the makers, love to hide this chart, and angers me, ....

the other way is in the shop , you chock bottom of tire, roll aways and see how the chock wears off.
try to get chock to wear off even across the width,, tedious to extreme this.

the other wAY , Start at 30 psi .
find a church parking lot, (empty,) and iced over,
drive slow (5mph?), and brake, and see how hard the brake cause a skid , stop and inflate down, repeat until you find best skid short.

[u]yes, I see that one needs to do their own research in the absence of manufacturer supplied data. This is interesting and I look forward to learning what works or not.

this is how the ice tires, are rated, on real ice, and no other tires do this.

i think they go 20mph and slam on brakes,ABS off) and see the skid distance. i forget. (google finds it)
some ICE tires beat studs, even on a perfect stud road, (studs like super cold ice,not wet)
hope that helps.


wet ice, best stay home, and ICE dams, hind under bed.

You bet.