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Old 07-02-2015, 11:06 PM   #1
65 Fastback
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Thermos or Fan & Clutch?

Hi there,

I'm installing the GM serpentine pulley kit on a rebuilt 400 SBC going into my 72 C10
http://www.gmpartsdirect.com/results...umber=12497698

Can any one advise whether i'm better off installing a thermo fan or installing a new suitable fan and clutch assembly.

The kit comes with a reverse rotation long pump where as the motor in the truck now is set up with a standard short pump with the large stock shroud with a fan.

I guess the long pump with a fan is going to be an inch or 2 closer to the radiator.

If I go for a thermo bolted to the radiator do I need a different shroud?

Thanks for your help...
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Old 07-03-2015, 05:12 AM   #2
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Re: Thermos or Fan & Clutch?

I was actually looking at this fan. I thought I could keep the shroud installed and attach this to the radiator

http://www.ebay.com.au/itm/High-Perf...item3ce2244472
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Old 07-03-2015, 05:46 AM   #3
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Re: Thermos or Fan & Clutch?

Name:  rad shroud.jpg
Views: 48
Size:  88.2 KB

Here's the shroud and fan set up in the truck now
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Old 07-03-2015, 06:47 AM   #4
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Re: Thermos or Fan & Clutch?

How about this setup?

http://67-72chevytrucks.com/vboard/s...d.php?t=675454
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Old 07-03-2015, 07:33 AM   #5
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Re: Thermos or Fan & Clutch?

Quote:
Originally Posted by cadillac_al View Post
Very clever!
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