Did any cars have EGR in 1950? Would this be a factory version for California, or a retro-fit?
https://en.wikipedia.org/wiki/Exhaust_gas_recirculation
Edit: sorry, you said "crankcase" and I jumped to EGR.
https://www.doityourself.com/stry/ho...breather-works
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Old TV literature, New York World's Fair, and other miscellany
Last edited by old_tv_nut; 06-09-2020 at 10:30 AM.
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