 Impeller Cooling Fan Question, How many styles of fans were there? |
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| Highland |
 Nov 15 2018, 08:42 PM
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#1
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Senior Member  Group: Members Posts: 512 Joined: 8-August 11 From: San Diego, CA Member No.: 13,418 Region Association: Southern California  |
I went to install my cooling fan and found the bolts were not long enough.
Apparently the fan I decided to clean and balance wasn't the one that was last on the motor (don't know if it was original or not). Here are the differences. Does it matter which one I use? Is one a bus fan or do they just vary with year?   |
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| TheCabinetmaker |
Nov 15 2018, 08:57 PM
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#2
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I drive my car everyday Group: Members Posts: 8,300 Joined: 8-May 03 From: Tulsa, Ok. Member No.: 666 |
I've seen both styles, and they do use different length bolts. Not sure of the difference as to engines or years.
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| johnhora |
Nov 16 2018, 10:56 AM
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#3
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Senior Member Group: Members Posts: 866 Joined: 7-January 03 From: Derby City KY Member No.: 107 Region Association: None 
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I think I remember the cone style on the right had a black plastic bullet shaped plug inserted covering the center hole.
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| bbrock |
Nov 16 2018, 11:00 AM
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#4
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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QUOTE(johnhora @ Nov 16 2018, 09:56 AM)  I think I remember the cone style on the right had a black plastic bullet shaped plug inserted covering the center hole. (IMG:style_emoticons/default/agree.gif) It did. I think those are early style as that's what was on my 70 and had the cap. The two 73s I've owned had the flat-nosed version. |
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| 914Sixer |
Nov 16 2018, 05:16 PM
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#5
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914 Guru Group: Members Posts: 8,876 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region
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Different versions for different engines. 1.7, 2.0 used the same timing marks and the 1.8 used one. As for the flat and the cone I have no answer, other than it was on the shelf.
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| jcd914 |
Nov 16 2018, 11:13 PM
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#6
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Advanced Member Group: Members Posts: 2,081 Joined: 7-February 08 From: Sacramento, CA Member No.: 8,684 Region Association: Northern California |
Flat ones were used on engines with Air Injection pumps.
Jim |
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