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Old 05-19-2015, 09:04 AM   #1
CA Victoria
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Default 8rt Fan Blade Options?

I have a stock 6 blade aluminum fan fitted to the stock 8 bolt hub assembly on my 8rt engine. Are/were there other fan blades offered for this configuration?
The exploded view in the F1 manual shows a 4 blade fan on the 8 bolt hub....
Or have other assemblies been adapted to fit this application with 3 or 4 blades?
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Old 05-19-2015, 09:07 AM   #2
JSeery
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Default Re: 8rt Fan Blade Options?

What are you wanting to do, change it? I would think the 6 blade would be the best option.
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Old 05-19-2015, 10:54 AM   #3
rotorwrench
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Default Re: 8rt Fan Blade Options?

The 6-blade may have been for larger trucks. Many of the fan parts are interchangeable between F series trucks. I know most of them used the same radiators & shrouds.
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Old 05-19-2015, 11:01 AM   #4
cobra5laddict
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Default Re: 8rt Fan Blade Options?

as i understand the 6 blade fans were used on F5 and larger trucks. My F1 project came with a 6 blade when i got it. i plan on running it once i am ready, it cant hurt to have the extra airflow.
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Old 05-19-2015, 11:44 AM   #5
Barry-ct
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Default Re: 8rt Fan Blade Options?

4 blade was standard. I opted for the 6 blade for better airflow. THey are louder though....
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Old 05-19-2015, 11:52 AM   #6
CA Victoria
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Default Re: 8rt Fan Blade Options?

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Ok, will BOL for a 4 blade fan.
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Old 05-19-2015, 01:05 PM   #7
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Default Re: 8rt Fan Blade Options?

I have a 6 blade on my '36 and I do not notice it being louder. Man, it moves the air. I cannot get my 8ba with 180* thermostats to run over 178*.
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Old 05-19-2015, 01:09 PM   #8
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Default Re: 8rt Fan Blade Options?

Quote:
Originally Posted by 36tbird View Post
I have a 6 blade on my '36 and I do not notice it being louder. Man, it moves the air. I cannot get my 8ba with 180* thermostats to run over 178*.
Now there is a different problem!
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Old 05-19-2015, 05:11 PM   #9
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Default Re: 8rt Fan Blade Options?

I have a six blade unit on mine . Not loud at all .
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