And also:

Code
kPa = Engine vacuum in inches
  0 = 29.5
  5 = 28.1
 10 = 26.6
 15 = 25.1
 20 = 23.6
 25 = 22.1
 30 = 20.7   Idle
 35 = 19.2     "
 40 = 17.7     "
 45 = 16.2   Cruise
 50 = 14.8     "
 55 = 13.3     "
 60 = 11.8 Acceleration
 65 = 10.3     "
 70 =  8.9     "
 75 =  7.4 Firm acceleration
 80 =  5.9     "
 85 =  4.4     "
 90 =  3.0  Heavy acceleration
 95 =  1.5 (WOT)
100 =  0.0 (WOT)

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