Glass bowl fuel pump

PostPost by: William2 » Thu Aug 15, 2013 11:36 am

Is it worth fitting the glass bowl type fuel pump when rebuilding a twin cam engine or is a more modern pump just as good?
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PostPost by: miked » Thu Aug 15, 2013 12:46 pm

The build quality of the old ones is better. If you can get a kit I woudl stick to that. The new all alloy body ones (IMO) are not as well made and I had 3 new ones leak with a sh*tty input flange bad casting. In the end I took them back. I blanked the device off and went electric. Sore hands mauling at the back of a pump with leaking petrol. Others may disagree but that's my take on it.

Mike :)
Last edited by miked on Tue Aug 20, 2013 7:54 pm, edited 1 time in total.
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PostPost by: tcsoar » Tue Aug 20, 2013 2:18 pm

I got a rebuild kit for my glass bowl pump, rebult the pump and put it back on. Only been back on the road for seven months and have had no problems with it yet. Famous last words 8)

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PostPost by: pharriso » Tue Aug 20, 2013 2:57 pm

tcsoar wrote:I got a rebuild kit for my glass bowl pump


Chris, where did you get the rebuild kit from?
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PostPost by: tcsoar » Tue Aug 20, 2013 3:29 pm

I got mine a few years ago from a seller on ebay, havent noticed any lately but at the time he had quite a few. Cant remember who the seller was.

just found this, http://www.ebay.co.uk/itm/AC-Delco-Fuel-Pump-Kit-Triumph-TR-Alvis-Lotus-Ford-Jenson-Watermotor-etc-/221153590169?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item337dc7fb99

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PostPost by: oldelanman » Fri Aug 23, 2013 3:53 pm

If you are doing a pump rebuild don't forget to replace the pushrod seal - not usually included in the rebuild kits. :wink:
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PostPost by: RedBarnMan » Tue Sep 10, 2013 7:55 am

My original? glass bowled pump just stopped pumping - bought a rebuild kit but found that the pump had staked in non-return valves so these can't be replaced and that the oil seal around the lever (pushrod seal) had broken up (also staked) and this is not in the kit anyway. So it looks like a new pump needed. Any recommendations on electric replacements as opposed to a new all-metal version. I may also need a new tank sometime judging by how much rust was in the pump!
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PostPost by: worzel » Tue Sep 10, 2013 11:21 am

Hi

It is still feasible to overhaul the old type pump by removing the old staked in valves- if you're careful. Just stake in the new ones using a different area of the mounting circle to create a new stake. Don't know about the oil seal part though but I can't see why this couldn't be installed in the same way.

I overhauled my fuel pump around 20 years ago and it still works fine.

Regards

John

PS- I think a firm that specialises in pump spares is located in Warrington, Cheshire- don't recall their name though but they were still advertising in Practical Classics only a few years ago
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PostPost by: AlfaLofa » Tue Sep 10, 2013 1:36 pm

I notice Arno currently has a NOS fuel pump for sale:

lotus-parts-f33/new-fuelpump-t29360.html

His pump is a Type F - but my original pump is a Type G XP0695.

Does anybody know why all these outwardly identical pumps have different designations?

I saw somewhere that the only difference is the strength of the spring (and therefore fuel delivery rate) of the spring beneath the diaphragm.

Which begs the question - what is the strength of the spring in an XP0695 pump?
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PostPost by: twincamman » Sun Sep 15, 2013 12:28 am

Geeez. Drag your car ,kicking and screaming into the 20 th century and add an electric pump ......easy starts and a swat on it will get you. Home when it. Fails .....My aim is to replace everything Lucas on all my cars. Nissan denso alternators ..starters ....pumps ..I'm too old to be stranded on a super highway with a full bladder because of a 1930 engineering part failure .......
dont close your eyes --you will miss the crash

Editor: On June 12, 2020, Edward Law, AKA TwinCamMan, passed away; his obituary can be read at https://www.friscolanti.com/obituary/edward-law. He will be missed.
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