Tyre Pressures

C

cerbera

Member
 Preston, Lancs
When I bought my car it was wearing non standard alloys with non run flat tyres.
The the fronts are 235/35R19 and rears are 265/30R19 .

According to the tyre pressure label, the factory standard 19's (225/35 Front, 255/30 Rear) should be 2.3 bar and 2.8 bar respectively.
Am I safe to use these RFT pressures on none runflats.

 
We have different sizes to you (18s) but have just stuck to the standard pressures and the car feels fine and not had any problems
 
Cerbera, I'm no tyre specialist but I think RFT use higher pressures than non RFT.

I do not run my 3.0si at RFT pressures - 32ftlbs front and 34 ftlbs rear is what I use with my GoodYear F1s (non RFT 18in).
 
We're running Michelin Pilot SS, set at the same PSI as the RFTs, no issues with uneven wear, 3+ years.

Front Michelin Pilot Super Sports 235/35R19 91Y
Rear Michelin Pilot Super Sports 265/30R19 93Y
 
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