Fan blades - GM

[miclinmopar@xxxxxxxxxxxxx]

I was having a high temp issue with the S6, 65 Belvedere wagon (manual trans)...its all stock.
I changed out the waterpump and all hoses, prof. cleaned the radiator and swapped out to a 180deg. thermostat.  The last part was the stock 16" 4 blade fixed fan.
I went of the junk yard, but 99.9% of the cars had clutch fans.  I only have ~ 3" between the rad and the waterpump flange, and mopar clutch fans are exacty 3" deep.  I needed a fixed blade fan.
I looked over to an early 70 Caddy with a V8.  Fixed 17", 5 blade fan.  Riveted construction, similar to the typical flex fan, but it was an OEM one.  I pulled it off and matched the bolt pattern to the spacer I brought for test fits.
The center was perfect, the 4 bolt pattern looked ever-so-slightly off.   It turns out the darn thing bolts right on as-is!!!  No mods needed.
I started it up and it must pull 3xs the amount of air.  Tomorrows going to be in the 90 deg. range,  I'll let everyone know how I made out.  If its still running hot....the rad.s going to get a new core.  The shop that cleaned this one said it was on its last legs.  We'll see.....

Mike

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