05-22-2019, 05:03 PM | #1 |
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Join Date: Jan 2019
Location: Florida Panhandle
Posts: 585
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Fanology
Rattling water pump turned out to be a galled fan pulley and trashed key on the pump shaft. The fan is a six-blade plastic unit which nearly required pulling the radiator to get the pump out. Putting in a new pump but not sure which way to go on the fan. Pretty hot here in Florida and did not have any cooling problems with the six-blade but do not like the drill to pull the pump. Should I stay with the six-blade (which now needs a new hub) or just go with a steel or aluminum two-blade or four blade ? If the two blade will work sufficiently here I would prefer to go that route. Watcha think ?
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05-22-2019, 05:09 PM | #2 |
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Join Date: May 2010
Location: So Cal
Posts: 8,749
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Re: Fanology
Aluminum two blade.
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05-22-2019, 05:45 PM | #3 |
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Join Date: May 2010
Location: Raleigh, NC
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Re: Fanology
2 blade aluminum fan is the way to go. looks right and the technology has been right for 90 years...no need to get fancy.
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05-22-2019, 07:05 PM | #4 |
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Join Date: Jul 2010
Location: Cow Hampshire
Posts: 4,188
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Re: Fanology
You drive above 30 mph and the fan - ANY FAN - impedes air flow. The two blade version that much less.
If you throw blades or break a belt, drive like the hammers of H*ll to where you'll have it fixed - then shut it off quickly - or better - coast to a stop with the engine off. Yes, this is a little overstated - but the physics are there. Joe K
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05-22-2019, 07:43 PM | #5 |
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Join Date: Aug 2018
Posts: 2,332
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Re: Fanology
To help with pump removal next time use these.
https://www.snydersantiqueauto.com/P...earchByKeyword |
05-22-2019, 09:33 PM | #6 |
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Location: Spring Grove, Illinois
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Re: Fanology
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05-23-2019, 06:20 AM | #7 |
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Re: Fanology
The main thing is to have a very good fit of the hub to the shaft. It’s a tapered joint and the two tapers must match or it will pound itself on every rotation until it fails. A lot of bad things can happen when a fan goes. Good luck.
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