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02-21-2021, 08:24 AM | #1 |
Senior Member
Join Date: May 2010
Location: Solihull, England.
Posts: 8,755
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Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
The old flathead water pumps are easy to rebuild. I needed one for the 59 flatty / 32 Sedan project and rebuilt this one. Kits are available, so watch along and see how it goes.
https://youtu.be/EAuDkYOLBA0 |
02-21-2021, 08:43 AM | #2 |
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Join Date: Jul 2010
Location: 36 miles north of Albany NY
Posts: 2,950
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
Mart: where’s the best place to get the rebuild kits?, I’m sure there are a lot of non-USA kits available.
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02-21-2021, 09:16 AM | #3 |
Senior Member
Join Date: May 2010
Location: Solihull, England.
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
Hi Vette. The kit I used came from Macs. I'm sure all the usual vendors sell the same kit. I'm not sure if there are any non USA vendors. I might be a bit stumped if I want another one.
Edit: the kits are available in the UK but are the macs kits and they are approximately 2 and a half times the price! Last edited by Mart; 02-21-2021 at 09:30 AM. |
02-21-2021, 10:11 AM | #4 |
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Join Date: May 2010
Location: Coral Springs FL
Posts: 10,949
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
Mart: Thanks for posting that excellent video.
QUESTION: Do you put any type of lubricant on the steel shaft before pressing it into the impellor? Hope you find time to show us how to rebuild the other style 8BA pump. Thank you. |
02-21-2021, 10:33 AM | #5 |
Senior Member
Join Date: May 2010
Location: Solihull, England.
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
No lube on the shaft. Should I? It did scrape some metal off on it's way through. I don't have any 8BA pumps. I think they are the more modern style with a ballbearing shaft assembly, like the truck pump. Hence more difficult.
Mart. |
02-21-2021, 12:01 PM | #6 |
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Join Date: Oct 2018
Location: Glendive MT
Posts: 155
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
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I think I'm going to rebuilt the pair I have to keep as spares. |
02-21-2021, 12:11 PM | #7 |
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Join Date: May 2010
Location: Solihull, England.
Posts: 8,755
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
Go for it HD. Just make sure they are the right type. I am told the 8BA are the more complicated type. Make sure the surface the seal rides on is in good condition.
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02-21-2021, 05:58 PM | #8 |
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Join Date: Dec 2014
Location: Columbus, IN
Posts: 1,407
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
Thanks Mart, I enjoyed the video, a nice short one for Sunday afternoon viewing.
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02-21-2021, 07:50 PM | #9 |
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Join Date: Sep 2014
Location: Sask. Canada
Posts: 2,424
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
Mart, very interesting video of the water pump. The pumps I needed on the 52 Merc are a little different. I think they have a narrow cast pulley and pretty sure I"d break them if I tried any kind of disassembly. I got new pumps (or rebuilt) from Napa.
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02-21-2021, 11:47 PM | #10 |
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Join Date: Jan 2014
Location: Orcas Island Washington
Posts: 4,936
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
Thank you Mart. Most excellent! I have a milk crate full of those early pumps and I have seen exploded diagrams of what's inside, but they still intimidated me so I always bought new ones. The woodie has Drake's ball bearing type. Not only does your video give me the confidence to try this, but now I'm gonna build a press. Way too much hammering on a punch in this neck of the woods for the last 40+ years! Thanks again.
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Owner/Operator of 'Jailbar Ranch' on the side of Mt. Pickett. Current stable consists of 1946 1/2 ton pickup turned woodie wagon with FH V8, 1947 Tonner Pickup (red) mostly stock with exception of a cummins 6at turbo diesel, 1946 Tonner Pickup (green) with 226 cu in 6 cyl flathead, 1979 Toyota landcruiser wagon, completely encased in 1947 Ford Jailbar sheet metal. Ok, cornbinder rear fenders..... 'Rusty ol' floorboards, hot on their feet' (Alan Jackson) |
02-22-2021, 05:55 PM | #11 |
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Join Date: Apr 2013
Location: Wilmot, NH
Posts: 10
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
Great video, thanks for sharing.
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02-22-2021, 06:25 PM | #12 |
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Join Date: May 2014
Location: Ontario
Posts: 207
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
Thanks for sharing
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02-23-2021, 09:48 AM | #13 |
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Join Date: May 2010
Location: Snohomish,WA
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
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02-23-2021, 09:58 AM | #14 |
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Join Date: May 2010
Location: Coral Springs FL
Posts: 10,949
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
Found this article with photos on how to rebuild the 8BA style pump.
http://oneilengineering.mysite.com/photo.html |
02-23-2021, 08:19 PM | #15 |
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Join Date: Jun 2010
Posts: 228
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Re: Here's a Flathead water pump. Let's rebuild it. Sunday tech quickie
Thanks Mart Good Job! Dave
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