Pressurized radiators-what year

Displayman

Displayman

Senior Member
Can anybody tell me what year Ford first had pressurized radiators?
Topic came up the other day and thought I could find out on the Barn.

Thanks,
Bob-Hampshire, Illinois:confused:
 
I think 1937 was when they first started widespread use of the low pressure caps. The P/Ns 41A-8100-A & 91A-8100 caps were used for Fords with pressure system radiators at least through 1948. I believe they were 4 PSI rated. The 41A P/N indicates a 1934 change but I don't know what models used them. Trucks maybe?

Kerby
 
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