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10-06-2017, 12:21 PM | #1 |
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Model B fuel pump question/warning
So I have opened a couple of model B pumps that look nice on outside but were full of dust and pitting on the inside. Most recent one I got dirt cheap, so not complaining. So, the warning is to get a photo of the inside of the pump, or open it and look at it before you take it in a swap meet.
I also wonder how long it took to decay and how many spare pumps are sitting on our shelves decaying, because we didn't clean them out before they hit the shelf. Question.... as long as the gaskets still seal, can these pitted ones still be run? or once they get pitted, will the corn gas eat them right up?
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10-06-2017, 03:09 PM | #2 |
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Re: Model B fuel pump question/warning
Jim,
That's a good core....compared to the three I just finished yours looks real nice. Every gasket face will require a cleanup cut and the valve seat under the big brass plug will require a precise reface as well as the valve seat on the pump side of lid retaining screw. Don't overlook the inlet and outlet seats as well. It's a real bummer to discover you've got an inlet and/or outlet no seal condition when you go to install the thing. Charlie ny after the pump is done |
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10-06-2017, 04:14 PM | #3 |
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Re: Model B fuel pump question/warning
So a complete pump just missing the drain petcock thing for $25 at Hershey was not a total waste...LOL
Was strange, I loosened the lid and got gas leaking out on my hand, but the inside was dust.
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10-06-2017, 05:12 PM | #4 |
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Re: Model B fuel pump question/warning
If these are so rare ,I have two tops for the cost of shipping.I,m in Australia.
Lawrie |
10-06-2017, 05:15 PM | #5 |
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Re: Model B fuel pump question/warning
Jim,
Killer ! Charlie ny |
10-09-2017, 02:58 PM | #6 |
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Re: Model B fuel pump question/warning
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Anyway, I sat down and went to work with various sharp objects digging out the concretion and looking for the bottom of the well...eventually I noticed that things were looking really odd down there...I had dug all the way through. The casting had no bottom, the bottom in use had been the diaphragm. Not the best core! |
10-12-2017, 04:26 PM | #7 | |
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Re: Model B fuel pump question/warning
Quote:
That said, if you are talking about the part in my photo, I would take a couple for the cost of shipping from you.
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10-22-2017, 07:38 PM | #8 |
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Re: Model B fuel pump question/warning
OK..... stupid me, took it apart without paying attention. For the two wafers, springs on top or on the bottom? I am pretty sure the one the has the screwdriver slot the spring goes on top, but the main one that holds the lid on??
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10-22-2017, 08:56 PM | #9 |
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Re: Model B fuel pump question/warning
For the spring beneath the brass fitting with the slot on top, the spring is above the wafer fitted on the protrusion on the fitting. For the other beneath the brass fitting with the threaded top for the lid the spring is beneath the wafer. The simple way to remember it is that the wafers always abut against their respective seats and therefore the accompanying spring is on the opposite side of the wafer.
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10-23-2017, 06:57 AM | #10 |
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Re: Model B fuel pump question/warning
thanks
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11-10-2017, 12:25 PM | #11 |
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Re: Model B fuel pump question/warning
whats the best thing to use to clean the outside? Carb Cleaner? Soak in Lestoil? Soak in Gas? don't have powder blast equip.
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11-10-2017, 02:07 PM | #12 |
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Re: Model B fuel pump question/warning
Lacquer thinner followed by a quick (as in brief) dip in metal prep assuming that it is completely disassembled.
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11-13-2017, 05:58 PM | #13 |
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Re: Model B fuel pump question/warning
Jim can you post a picture of the fuel pump? I have put a B motor in my ‘29 station wagon and wanted to install a fuel pump on the block. I have looked on line for what the pump looks like but could not find a good one. I’m hoping on going to the Pomona Swap meet in So Cal next month and would like to look for one. Thanks.
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11-13-2017, 07:53 PM | #14 |
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Re: Model B fuel pump question/warning
ignore the bare feet.......
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11-14-2017, 03:17 AM | #15 |
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Re: Model B fuel pump question/warning
Dubnutty....try Dave Renner. I feel sure he will be able to help
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11-14-2017, 04:46 PM | #16 |
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Re: Model B fuel pump question/warning
Jim, thank you for the pictures. Now I know what I’m looking for.
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11-15-2017, 09:16 AM | #17 | |
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Re: Model B fuel pump question/warning
Quote:
You can also try Simple Green. I put a Holly 94 in a 50/50 mix of Simple Green and water and the carb came out great! Keep 4-banging!
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She just don't have the appetite For gas somehow, And Dad, I got four carburetors Hooked up on it now. I tried to hook another To see if I'd do a little good, But ain't no place to put it 'Less I perforate the hood. Wanted, lower side sections of 32 radiator cowl. |
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11-15-2017, 10:20 AM | #18 |
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Re: Model B fuel pump question/warning
dub,
An option to a complete correct 'B' pump is using the the 'B' base and the later style upper portion. This works quite nicely if let's say you find a 'B' pump with a rotted out bowl. And yes I have a couple of these crossbred pumps ready to go. Charlie ny |
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