Hi, what are you guys running in the 235/40/19 ??    I like to run high pressures.........is anyone running up around 40psi ?

Based on this site https://www.puretyre.co.uk/vehicle-placard-for-skoda-Superb-15-18-235/40R19/ 

then, 40psi is consider Eco.

 

Personally, I prefer a more compliant ride that will hold the road - but each to its own!

 

Cheers, exactly what I was looking for,

Normally 37 all round for me then up them to 42 (front)/46 (back) when towing.

Hi,

 

Personnally I rather the "ECO" Setting (2.8 bar / 40,6 PSI) on the 4 wheels.

Based on my ex- Superb Mk1 Estate and 2 Audi A3 Mk2, +0.2-0.3 bar added to normal inflation setting (Eco setting indeed) on rear tyres are a good mean to  procrastinating a 'ratched wheel" wear effect (which leeds to noisy behavior).

Edited 13 April, 20197 yr by Bap33

Maybe you diesel folk love the flagellation of a harder ride to go with your noisy tractor engines 

10 hours ago, k.young said:

Cheers, exactly what I was looking for,

 

You should have this sticker on inside of refuelling “door” behind small ice remover.

If ECO / high tyre pressures is to work and give better fuel consumption it needs there to be less tread on the road, so less friction / traction so grip, that is accelerating, braking and cornering.

Just why would you want to have a car less safe by pumping up the tyres to what someone someplace that knows nothing about you or your family thinks is a ECO tyre pressure?

Edited 14 April, 20197 yr by Skoffski

 

@Skoffski With respect, the ECO figure is one specified by Skoda for slightly improved economy/emissions. It's not a figure plucked out of the air, it will have science and safety behind it!

 

 

 

They loved pumping up tyres for EU Test results, (also putting diesel in engine oil in the not so old days) Now they just have the VW508/509 0w 20 FS LL to reduce friction..

i will put money on them doing high tyre pressures still for the WLTP and RDE.   

In Gods we trust, VW Group are proven liars and cheats.

 

With respect back, how does it assist in being ECO without reducing rolling resistance or friction?  

Maybe fine in the dry, maybe in other World Regions where people fit Winter Tyres in Winter.

 

But each to their own, ECO Fuel consumption, then extra edge tyre wear maybe and sooner tyre replacement.  Not Green or Economic for many.

Edited 14 April, 20197 yr by Skoffski

Higher tyre pressures wear the edges less, not more, Shirley?

Don't call me Shirley 

@Winoing, yes they should have down the middle wearing, and then there is how over inflated wide profile tyres on Superb or Octavia might be showing.

 

But then ECO will not be Over-inflating because Skoda will be Scientific and considering safety Shirley.

Edited 14 April, 20197 yr by Skoffski

I've no idea what you're talking about w.r.t Superb and Octavia.

 

in spring filled 36 psi easily become as 42 psi on hot summer highway
and decrease to 30 psi when negative by Celsius

recommending install Direct TPMS

https://www.briskoda.net/forums/topic/434028-tire-pressure-monitoring-system/?tab=comments#comment-4893182

 

1 hour ago, MartiniB said:

in spring filled 36 psi easily become as 42 psi on hot summer highway
and decrease to 30 psi when negative by Celsius

recommending install Direct TPMS

https://www.briskoda.net/forums/topic/434028-tire-pressure-monitoring-system/?tab=comments#comment-4893182

 

 

But isn’t manufacturer recommended pressure valid only for cold tyres (i.e. not recently driven) at whatever outside temp is in that season? How do you know if 42 PSI on hot highway is too much or expected?

Correct cold tyres only. 

 

Pressures when hot are largely a guess (unless you want to do the calculations) 

5 hours ago, Zid2000 said:

How do you know if 42 PSI on hot highway is too much or expected?

didn't say it's too much,

noticed huge pressure changes which depends on temperature, not always ambient,

as i reported in link above, also heat from engine boils right tire when speed is 1km3h

 

15 hours ago, Skoffski said:

If ECO / high tyre pressures is to work and give better fuel consumption it needs there to be less tread on the road, so less friction / traction so grip, that is accelerating, braking and cornering.

Just why would you want to have a car less safe by pumping up the tyres to what someone someplace that knows nothing about you or your family thinks is a ECO tyre pressure?

May be not that simple, I think...

Assuming that tyres pressure increase, effectively reduces the contact surface between tyres and road, It would also mean a higher Contact pressure on the road, since Contact pressure = Weight/Contact surface...

This being said, considering the high technology on tyres, I think it's much more complexe than that...

What is simple even without a test rig just a car and TC / ASR is raise your tyre pressures and on a greasy / wet day watch the light blink as the tyres try to get grip, brakes nipping to stop a wheel spin, or power cut.  XDS / XDS+ / TC / ASR etc.

Go drop the pressures a few PSI and see the difference, same car, same tyres, same drivers foot on the accelerator.

Edited 15 April, 20197 yr by Skoffski