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02-14-2020, 03:35 PM | #1 |
Senior Member
Join Date: Jun 2010
Location: east Tennessee
Posts: 363
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Water pump adaption
I have a 51 flathead 8BA motor that I plan to install in a 1939 Ford pickup. Which water pumps do I need to use on the 8BA so I can leave the regular motor mounts in the pickup? Thanks
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02-14-2020, 03:43 PM | #2 |
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Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 10,319
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Re: Water pump adaption
You will need a set of 1946-1952 Ford truck water pumps. It not quite that easy though, unless your '51 engine is from a pickup. If it's a car engine, it will have dual narrow belts rather than one wide belt. You will need matching crankshaft and generator pulleys to make it work (the easy way).
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02-14-2020, 05:36 PM | #3 |
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Join Date: May 2010
Location: Napa,California
Posts: 6,037
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Re: Water pump adaption
You'll also need the pickup/truck oil pan.
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02-14-2020, 06:15 PM | #4 |
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Join Date: Sep 2013
Location: SoCal-Redlands
Posts: 3,020
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Re: Water pump adaption
I'm running an 8ba in my '39 p/u. The engine was out of a car so it had narrow belts. I'm using OCM narrow belt Merc pumps. They appear similar to 8rt wide belt truck pumps but the mounting pad is higher on the Merc pumps so you need to use a Merc U shaped spacer to compensate for the difference in heights. The Merc pumps aren't repopped so they are difficult to find. If you do go the Merc pump route send them to Skip in Florida for a rebuild. I'm using a rear sump truck pan but a rear sump Merc pan will work as well. Also, you'll need a cast iron 1/2 bell from a truck or a stamped steel 1/2 bell from a Merc so you can bolt the '39 trans to the 8ba. If you plan on using an 11 inch clutch you'll need the truck 1/2 bell, otherwise the Merc will do.
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Making the simple complicated for over 30 years. |
02-15-2020, 09:29 AM | #5 |
Senior Member
Join Date: Jun 2010
Location: east Tennessee
Posts: 363
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Re: Water pump adaption
Great information. I need to start accumulating all the items needed. I thought my biggest item was the water pumps, but it looks like that is just the tip of the iceberg. Thanks
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02-15-2020, 03:44 PM | #6 |
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Location: SoCal-Redlands
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Re: Water pump adaption
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Making the simple complicated for over 30 years. Last edited by 51504bat; 02-15-2020 at 03:49 PM. Reason: add photos |
02-15-2020, 04:34 PM | #7 |
Senior Member
Join Date: Jun 2010
Location: east Tennessee
Posts: 363
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Re: Water pump adaption
51504bat, The pictures are greatly appreciated. Your truck looks really nice as well. Love the barrels! Randy
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