colt Posted March 27, 2012 Report Share Posted March 27, 2012 I need to know what is the correct PSI for 20 rim with 255/35/20 (f) and 285/30/20 ®. The PSI for 18 on GT500 on 2007 is 35PSI front & Rear. Link to comment Share on other sites More sharing options...
mark.barton Posted March 27, 2012 Report Share Posted March 27, 2012 I need to know what is the correct PSI for 20 rim with 255/35/20 (f) and 285/30/20 ®. The PSI for 18 on GT500 on 2007 is 35PSI front & Rear. On my car with 19" front and rear, the recommended air pressure is still 35 PSI. That is where I would start. Mark Link to comment Share on other sites More sharing options...
colt Posted March 30, 2012 Author Report Share Posted March 30, 2012 On my car with 19" front and rear, the recommended air pressure is still 35 PSI. That is where I would start. Mark OK, I will stick with 35 also for 20'. See how she does on the cruz tomorrow. Link to comment Share on other sites More sharing options...
CSX4833 Posted March 30, 2012 Report Share Posted March 30, 2012 I have always found Tire Rack's customer service very helpful in these matters. They have helped me several times. Link to comment Share on other sites More sharing options...
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