Quote:
Originally posted by immortal_suby
For the record, 225/45/17 falken azenis - 42psi with car on ground measured with digital tire pressure gauge in 60 degree garage air -41.5 psi with car jacked up. Repeated test and results repeated again.
...I just had to know 
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Just to confirm - I got about a third PSI difference at 33PSI. Same reason