Why higher pressures at high speed in tyres?

Why higher pressures at high speed in tyres?

Author
Discussion

Steviesam

Original Poster:

1,244 posts

135 months

Wednesday 20th August 2014
quotequote all
Just wondering why my car manual states higher tyre pressures for hight speed driving?

On track days etc when the tyres work hard, you usually start a bit lower to compensate
for when the tyres warm up and pressure rises.

I would have thought the same applied to long haul motorway work, but my car asks for much higher
pressures when going fast. Do they not get over pressured after a while?

Steviesam

Original Poster:

1,244 posts

135 months

Wednesday 20th August 2014
quotequote all
Makes sense...thanks