JohnUKVetteNut Posted April 4, 2014 Share Posted April 4, 2014 Anyone any idea on pressures in PSI for import running 17" tyres? book does not give pressure in PSi only kg/cm or KPa which when converted are not the same!! JohnUKVetteNut Quote Link to comment Share on other sites More sharing options...
GMballistic Posted April 4, 2014 Share Posted April 4, 2014 What size are they? 225/45/17 and 245/45/17? I'd say probably 33 PSI all round at a guess for the 17". I run my 18's that have 225/45 & 245/45 at 35 PSI all round so going by the old rule of +2 PSI per inch that would make your's 33 PSI. Quote Link to comment Share on other sites More sharing options...
JohnUKVetteNut Posted April 4, 2014 Author Share Posted April 4, 2014 That sounds right to me Thanks, the handbook I have does not relate to the Fairlady Z I have not been able to get a Fairlady Z specific manual. I would assume that a japanese one is available but I can read it!1 Thanks again Quote Link to comment Share on other sites More sharing options...
samsniss350z Posted June 5, 2014 Share Posted June 5, 2014 I know its a totally different car and a totally different weight so is probably irrelevant but my mothers Fiesta runs on 17"s and the pressure for those tyres is 33PSI. Quote Link to comment Share on other sites More sharing options...
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