[Chrysler300] 1957 300C waterpumps.

["L.Andrew Jugle" <lajugle@xxxxxxxxxxx>]

Between George Berg and I we had 3 57's, all in 100,000 to 200,000 mile 
range on  each car.  We went thru several water pumps.  They are NOT 
all the same.  The ORIGINAL water pump had fewer vanes at different 
angles. Since the cars revved higher than normal, the original 300C 
pumps SLOWED the flow of water to absorb more heat (I got 3N572063 with 
47,000 original miles and original pump.)   TOO fast a flow caused 
overheating.

Somewhere in my notes I have original impeller photos and data. The 
secret is DO NOT PART with your original pump; have it re-built with 
same impeller.  Other pumps fit because the housing works, but that 
impeller is unique, I believe, to 300C.  The 300D I have no idea. As I 
remember George's 300D had a different pump, but his had an after 
market air conditioner, too. Chrysler part numbers blur this. I seem to 
remember there was a service bulletin on them.

L. Andrew Jugle, Elmhurst,IL








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