Just got my snow tires and wheels.

[sunwolf]

I will post a pic in a little bit but I have a question. I got 225/60/r18 snow tires and I was wondering how to figure out what pressure to put them at. I don't think it should be the same as my 20s should it?

[SHOdded]

I'd stick with OEM recommendation to start, as long as tire load range and overall height remain the same.  32 psi 2010-2012, 35 psi 2013+ I believe.
Http://www.firestonecompleteautocare.com/tires/inflation.jsp?method=vehicle&vehicle.baseVehId=155889&vehicle.year=2013&vehicle.make=Ford&vehicle.model=Taurus&vehicle.submodel=SHO

Best thing is to call tire mfr to figure out correct psi for your load range.  For example:
Http://www.yotatech.com/attachments/f177/7865d1136583373-proper-tire-inflation-pressure-tireair.jpg

[PokerMunkee]

I run 38-40 PSI on my winter setup.  Higher the better, helps with handling on those soft sidewalls.

[sunwolf]

The whole thing about 18s is there is more sidewall so I would think pressure should be higher.

[ZSHO]

Snow tires usually need 3-6 psi more than all season or summer tires,so if your owners manuel recommends 35psi,so 3-6 psi will do. http://www.tirerack.com/winter/tech/techpage.jsp?techid=168&currentpage=116 so basically around 40psi would be a good number.