OUT OF SEQUENCE IMAGE
this should be at the end in post #17 but the
vBulletin limits to 10 images.
The 1975 49-state and California air pump:
© 1974 Dr. ing. h.c.F. Porsche A.G.
Note the 1:1 ratio is between the fan and the drive pulley ('2' in the image) to the air pump.
EDIT
Interesting discussion about California CARB rules.
http://www.arb.ca.gov/homepage.htm
Are there published instructions for the ‘referee’?
How is he supposed to make a ruling is he can’t determine what is supposed to be there?
Can someone post a link to the information a referee uses.
Clearly, you can apply for an ‘exemption’. Some require inspection, others not:
http://www.arb.ca.gov/msprog/aftermkt/forms/forms.htm
Best,
Grady