Tire pressure for new non runflats

J

Jeff_Seymour

Member
I know this is a stupid question but do I go off of the tire says regarding how much tire pressure or what the car manufacture says. I bought Goodyear Eagle F1 All Season
255/35R-18 94Y XL B
 
Search Falkan threads-I think most have settled on a bit lower pressures for non-runflats.
 
The tire usually give *max* pressure allowed. Depends on the application whether you run the max or not. Usually not.
 
No, I'm saying search the threads for those who have replaced their run flats with non-runflats for their suggestions. I still have the OEM Bridgestones on mine and plan to replace with Michelin PS2-ZPs.
 
You NEVER inflate tyres to the figure it states on it. That is the pressure that matches the maximum weight the tyre can carry which is likely way above the weight of a Zed. The manufacturer pressure will be some calculated % below that.

Next stop is the door jamb for the OEM pressure which is what BMW think a runflat needs

As Smokin points out search the Falken threads for a detailed list of what we're all running.

For a starter consider Front 30 rear 31 as in the right region, but each of us vary a psi or 2 around those
 
I've fitted F1s to mine and have found the original pressures to be about right. It's not quite so flat in fast bends, but another 2 psi and you get all the jarring of a rft, so the best compromise.

FWIW when I fitted Contactsport2s to my 120, they needed an extra 0.2 bar to feel right.
 
Yeah non-runflat PSI is more or less in debate right now. The general rule of thumb is like others have said and go off your plate on the drivers door jam.
 
31/33 here on Falken FK452's... will check wear after another 1000 miles (that'll be about 3000 then), and report back :)

Dave
 
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