25hp / 36hp fuel pumps

[sgmalt46]

I have mixed tops and bottoms. don't see why you cant .
here is another for the thread early HUF pre-solex . to early 46 I think?
notice the top is completely flat around the screw holes.

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55 deluxe 23 window bus
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55 rag top beetle
66 beetle
71 square back (sold) ! good luck with it Henry!
46 beetle 552nd royal army service corps CCG

[VWNate]

? Any interest in the American, Italia or other non VW made fuel pumps ? .

I have a few and don't need them, I'm getting older and my son will scrap out all my vintage VW parts when I die, not sure if I should just bin them or what ? .

TIA,
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-Nate

One last Beetle : 1959 #113 DeLuxe survivor ~ 36HP & full synchro tranny, 6 volts etc.

[EverettB]

Probably less interest but if they are usable, it might be worth listing them here for cheap and see if they sell.

I used to have a brand new one I picked up somewhere that I carried as a spare.
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[VWNate]

Thanx Everett .
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-Nate

One last Beetle : 1959 #113 DeLuxe survivor ~ 36HP & full synchro tranny, 6 volts etc.

[bwaz]

Progressive refinements not exactly fully detailed on the changes... lots of gaps between 1953 and 1956

[bwaz]

It looks like December 58 was the change to the filter/screw on top of the fuel pump.

[bwaz]

for a 36 horse 1958-59 fuel pump... though they're basically the same fuel pump, the one on the left has more "Made in W. Germany' stamps than the other. The right version , does say "Made in W (VW logo) Germany" on the top. Maybe a later manufacture date?

[56samba]

Here are some pics of early fuel pumps to supplement this thread. From left to right in chronological order (to the best of my knowledge):
- Kdf fuel pump with cog wheel, production probably ended when Solex couldn’t supply them anymore in 1945.
- Aluminum fuel pump without any manufacturer marking, note the rough surface finish due to the sandcasting method
- Diecast aluminum fuel pump, HUF marking on the bottom part
- Diecast zinc fuel pump, HUF marking on the bottom part
- Regular 8 mm 25 hp Solex fuel pump for reference

Best regards
Jan

[oldslow]

Some good information on the early 356 fuel pumps and the 36hp pumps in general.
https://www.type356a.com/installation.html
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- better to drive a slow car fast than fast car slow -

[oldslow]

Is this a real 1955 or there abouts 356 fuel pump?

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- better to drive a slow car fast than fast car slow -

[bwaz]

On my Nov 1 built zwitter, which seemed to have all the correct original engine parts, I restored the fuel pump with serial number 764520.

[Bub]

Don't fergit' about the legendary clear-top filter pump rarest-of-the-rare accessory, adds 13 donkey power.

I had to have chrome for I am fancy.

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[bwaz]

I'm trying to guess when they changed from the 36hp shorter outlet spout to the taller one (before the addition of the extra filter screen) I came across a beautiful July 57 which has an all original engine. It had the taller outlet fuel pump with case date 20-6-27, and Fuel pump 3181447. Another friend has a long spout version with serial number 3156534 which is 24,913 earlier. It looks like they were making about 16,000 beetles a month, (plus busses) so I'd estimate these taller neck fuel pumps were at least on June 57 beetles, maybe up to December 1958.

There's a question though, as progressive refinements says there's a change in June 1958 to a longer output.... I've seen quite a few of the longer neck versions, and it would be hard to believe it's only a five month production.

[gypsydoctor]

Could this "flat top" fuel pump be from a Porsche? I got it from a box of parts from my dad, who had a 1958 Porsche engine.

[Ted2]

Great thread and timely too as I'm getting ready to rebuild a coupe of fuel pumps.

Where can I find the correct screws for the top plate?

[Bub]

[tasb]

[EverettB]

[esde]

Here are two I have that are both zwitter 25hp, not sure why one has the odd adapter fitting.

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[wcfvw69]

I just rebuilt three 36HP pumps for a customer and took some photo's for reference. One is the late 1958 version with the tall neck on the outlet. I do see a lot of these tall new 1958 pumps as well.
The 1956 pumps have the identical base to the 1958 pump as the rounded hump for the screw in rocker holder/plug at the base of the lower section of the pump was gone.

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