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03-28-2018, 03:31 PM | #1 |
Junior Member
Join Date: Feb 2015
Posts: 21
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Model B fuel pump
Will the Mopar flathead 6 fuel pump bolt to the model B engine and work?
Vern B |
03-28-2018, 05:12 PM | #2 |
Senior Member
Join Date: May 2010
Location: new britain,ct 06052
Posts: 9,390
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Re: Model B fuel pump
Welcome to the Barn.
Try doing a search (black strip above), I believe it will bolt up but modification may have to be made to the arm. Some B guy(s) will probably "chime" in. Paul in CT Ck for a PM Last edited by 1931 flamingo; 03-28-2018 at 07:42 PM. Reason: add |
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03-28-2018, 11:10 PM | #3 |
Senior Member
Join Date: May 2010
Location: Oregon
Posts: 1,375
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Re: Model B fuel pump
I have been told that the Volvo B20 car and the marine engines of the same vintage will fit, with some modification of the actuating arms. They are relatively cheap, at around $40 on Amazon.
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03-29-2018, 03:08 AM | #4 |
Senior Member
Join Date: Jun 2014
Location: Melbourne, Australia
Posts: 7,496
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Re: Model B fuel pump
I've blanked off the ho;e on the side of the block and used an electric pump from a carburettor model Subaru (12v, though). Cheap, reliable, quiet and deliver the right pressure.
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03-29-2018, 07:05 AM | #5 | |
Senior Member
Join Date: May 2010
Location: Jordan, MN
Posts: 1,411
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Re: Model B fuel pump
Quote:
I modified one of the Volvo B20 fuel pumps for a "B" based project. The actuating arm was sectioned and then welded. I used a stripped "B" block and B cam to check the actuation arm movement while sectioning the actuating arm. Bolting the pump to the block and rotating the camshaft helped to make sure I was not bottoming out on the pump stroke. I never thought about how these pumps work but discovered the interesting way the pump was designed: The pump diaphragm spring keeps pressure on the gas going to the carb and the actuating arm only returns as the gas moves out of the pump chamber. So if little gas was being used, the arm would not return to allow the cam lobe to create a full stroke of the arm. Self regulating flow is the result with the line pressure being maintained by the spring over the diaphragm. This pump has too much pressure for a typical Stromberg 97 or like carb. I have a regulator between the pump and carb. I don't have many miles on the pump yet as the car is just nearing completion of a tear-down and re-paint. Sorry...No photos. Good Day! Last edited by Dave in MN; 04-11-2018 at 03:29 PM. |
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03-30-2018, 12:48 PM | #6 |
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Join Date: Feb 2015
Posts: 21
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Re: Model B fuel pump
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