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109 Posts
Guys, when going from stock tire to larger tire with heavier load rating and your wondering what pressure to run here is a formula from a freind on crownvic.net
OT=Old Tire
NT=New tire
DS=Door sticker
OT max. load X (DS psi./OT max psi.) X (NT max psi/NT max load)= new tire pressures...
example: 1609 X (32/35) X (44/1709)=
1609 X (.9143) X (.0257)=
1609 X .0235 = 37.8 psi Front...
1609 X (35/35) X (44/1709)=
1609 X (1) X (.0257)=
1609 X .0257 = 41.3 psi Rear
...give it a try...PR...
OT=Old Tire
NT=New tire
DS=Door sticker
OT max. load X (DS psi./OT max psi.) X (NT max psi/NT max load)= new tire pressures...
example: 1609 X (32/35) X (44/1709)=
1609 X (.9143) X (.0257)=
1609 X .0235 = 37.8 psi Front...
1609 X (35/35) X (44/1709)=
1609 X (1) X (.0257)=
1609 X .0257 = 41.3 psi Rear
...give it a try...PR...