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Old 01-02-2024, 04:51 PM   #1
WillC
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Default Stewart vacuum fuel pump question
I'm helping a friend with his Stewart vacuum fuel pump. I cant find the right size fitting for the fuel inlet. Anything I try is either to big or to small. All the other holes are 1/8 and 3/8. But the fuel port is an odd size. Anyone know what size it is and where I can find it? Thank you.
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Old 01-03-2024, 07:16 AM   #2
Terry,OH
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Default Re: Stewart vacuum fuel pump question
Vacuum fuel pumps were not offered for the early Ford V8's maybe Ford Y blocks.
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Old 01-03-2024, 10:29 AM   #3
Merc Cruzer
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Default Re: Stewart vacuum fuel pump question
Vacuum fuel pumps used on 52'-53' Mercurys
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File Type: jpg AC 3.jpg (45.1 KB, 5 views)
File Type: jpg AC 1.jpg (45.2 KB, 4 views)
File Type: jpg AC 2.jpg (41.9 KB, 3 views)
File Type: jpg DSCN9994 (2).jpg (25.2 KB, 5 views)
File Type: jpg DSCN9999.jpg (21.1 KB, 3 views)
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Old 01-03-2024, 11:02 AM   #4
5851a
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Default Re: Stewart vacuum fuel pump question
Is it the flexible body to pump line. If so check with early Ford parts supplier.
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Old 01-03-2024, 11:41 AM   #5
Bob C
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Default Re: Stewart vacuum fuel pump question
Some pumps used 1/2"-20 fittings.
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Old 01-03-2024, 11:54 AM   #6
Merc Cruzer
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Default Re: Stewart vacuum fuel pump question
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This is the one on my 53' Merc. along with a picture if the same fuel line that has seen better days.
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Old 01-03-2024, 12:49 PM   #7
petehoovie
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Default Re: Stewart vacuum fuel pump question
Quote:
Originally Posted by Merc Cruzer View Post
This is the one on my 53' Merc. along with a picture if the same fuel line that has seen better days.


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