Here it is:
Number of class hours in the preclinical curriculum (including all mandatory lectures, labs, seminars, small class sessions, and clinical correlates but NOT exam hours):
Avg number among US medical schools: 1592 (from AAMC Curriculum Directory 2000. Average of 117 medical schools who provided data as hours)
UC Irvine: 1467
UCSF: 1475
UCSD: 1517
UCLA: 1520
Stanford: 1571
UC Davis: 1597
Hope this helps!