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S4 8 clutch blade fan vs. s5 10 blade

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Old May 31, 2003 | 09:27 PM
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S4 8 clutch blade fan vs. s5 10 blade
Can someone verify that I can mount a 10 blade S5 clutch fan on my 87 Turbo II?
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Stew Ingalls
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Old May 31, 2003 | 09:36 PM
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Old Jun 1, 2003 | 02:45 AM
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Old Jul 3, 2006 | 05:07 PM
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yes ,but can I put an s4 8 blade fan with a s5 fan clutch???????
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Old Jul 3, 2006 | 07:27 PM
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yes you can
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Old Jul 4, 2006 | 12:11 AM
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We talking about the late 80's S-10's and ****?
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Old Jul 4, 2006 | 12:18 AM
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is there any advantage to the s5 fan?
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Old Jul 4, 2006 | 06:02 AM
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Originally Posted by Jager
We talking about the late 80's S-10's and ****?
We're talking about RX-7's, in case you missed the name at the top...

Originally Posted by Alex6969
is there any advantage to the s5 fan?
There are no cooling advantages since the S4 fan works fine. But Mazda wouldn't have changed it if there wasn't some advantage, and the most likely reason is to reduce fan noise.
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Old Jul 4, 2006 | 09:05 AM
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Originally Posted by NZConvertible
We're talking about RX-7's, in case you missed the name at the top...

There are no cooling advantages since the S4 fan works fine. But Mazda wouldn't have changed it if there wasn't some advantage, and the most likely reason is to reduce fan noise.
I can't confirm this but I think the S5 fan has less pitch to the blades.
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Old Jul 5, 2006 | 03:18 AM
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That would make sense. More blades at a shallower pitch would be quieter for the same airflow.
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Old Jul 6, 2006 | 12:34 AM
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Originally Posted by NZConvertible
We're talking about RX-7's, in case you missed the name at the top...
Wow...I need to learn to read.

Me fail English! That impossible!
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