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> Fuel pump with carbs, Should it run all the time?
brooks944
post Dec 26 2024, 02:36 PM
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Hi, I have a 1.8 ( now 1911) with 40 Webers and Web cam. It has run rich and my local shop has changed jets and it was running strong. I am now having starting problems and it seems to smell like it’s rich again. Last time I drove it it backfired a couple of times under load and it sounded like the backfire was from the carbs(?). My main question is on the fuel pump, which is a faucet type from the local auto parts store. Should the pump run continuously or shut off when a certain pressure is reached? Mine runs all the time when the key is on. I don’t believe there is a fuel pressure regulator on now.
Thanks for your help on my issues,
Rick
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brooks944
post Dec 27 2024, 03:44 PM
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Thanks all. Porschetub, I ordered the one you recommended. Do you have a picture where you mounted yours?
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porschetub
post Dec 28 2024, 02:24 PM
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QUOTE(brooks944 @ Dec 28 2024, 10:44 AM) *

Thanks all. Porschetub, I ordered the one you recommended. Do you have a picture where you mounted yours?

Mounting of the regulator or the pump ?.
My pump is mounted to my alloy suspension cross member and protected by the under tray , my regulator is mounted to the rear engine bulkhead up high so I can read the gauge .
I researched this setup and found it was the most common used ,IMO the best way to go ,cheers ,sorry can't find any pics ,it was a long time ago.
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mlindner
post Jan 3 2025, 02:11 PM
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QUOTE(porschetub @ Dec 28 2024, 02:24 PM) *

QUOTE(brooks944 @ Dec 28 2024, 10:44 AM) *

Thanks all. Porschetub, I ordered the one you recommended. Do you have a picture where you mounted yours?

Mounting of the regulator or the pump ?.
My pump is mounted to my alloy suspension cross member and protected by the under tray , my regulator is mounted to the rear engine bulkhead up high so I can read the gauge .
I researched this setup and found it was the most common used ,IMO the best way to go ,cheers ,sorry can't find any pics ,it was a long time ago.

yes, my picture is of the filter and pump up front, fuel regulator is on engine rear bulk head. Best
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Posts in this topic
brooks944   Fuel pump with carbs   Dec 26 2024, 02:36 PM
moto914   My 914 that has carbs , has the same setup but wit...   Dec 26 2024, 02:56 PM
930cabman   Fuel pressure must be less than 3 psi, also fuel l...   Dec 26 2024, 03:00 PM
GregAmy   Pump runs all the time. You want a fuel pressure ...   Dec 26 2024, 03:45 PM
brooks944   Thanks for the replies. What fuel pressure regulat...   Dec 26 2024, 03:54 PM
technicalninja   Every square Faucet style I've installed REQUI...   Dec 26 2024, 04:44 PM
Osnabruck914   Get a low pressure rotary type pump. You will be ...   Dec 26 2024, 07:19 PM
SirAndy   the fuel return line will help quiet it down some...   Dec 26 2024, 08:53 PM
Front yard mechanic   the fuel return line will help quiet it down some....   Dec 26 2024, 08:24 PM
technicalninja   I have another use for the Facet... the ONLY one ...   Dec 26 2024, 09:01 PM
brooks944   Thanks everyone for replies. On the CB Performance...   Dec 27 2024, 11:01 AM
porschetub   Thanks everyone for replies. On the CB Performanc...   Dec 27 2024, 12:35 PM
930cabman   Thanks everyone for replies. On the CB Performan...   Dec 27 2024, 01:42 PM
rhodyguy   Facet pumps are dandy for emptying fuel tanks and ...   Dec 27 2024, 12:23 PM
rfinegan   Yes, the fuel pump will run off the ignition switc...   Dec 27 2024, 02:33 PM
brooks944   Thanks all. Porschetub, I ordered the one you reco...   Dec 27 2024, 03:44 PM
mlindner   Thanks all. Porschetub, I ordered the one you rec...   Dec 28 2024, 01:09 PM
VaccaRabite   Most by the steering rack or under the tank. I pu...   Jan 6 2025, 07:51 AM
porschetub   Thanks all. Porschetub, I ordered the one you rec...   Dec 28 2024, 02:24 PM
mlindner   Thanks all. Porschetub, I ordered the one you re...   Jan 3 2025, 02:11 PM
brooks944   Thanks all for responses. Does anyone have pictur...   Jan 3 2025, 01:17 PM
porschetub   Thanks all for responses. Does anyone have pictu...   Jan 3 2025, 05:10 PM
brooks944   Also where should the gauge be located? The FPR ha...   Jan 3 2025, 01:47 PM
mlindner   Also where should the gauge be located? The FPR h...   Jan 3 2025, 02:14 PM
brooks944   Thanks, does the gauge placement matter after the ...   Jan 3 2025, 03:46 PM
brooks944   Got the recommended regulator and gauge installed,...   Feb 4 2025, 01:26 PM
technicalninja   pull main and idle jets, clean the piss out of the...   Feb 4 2025, 03:01 PM
brant   Please install any pressure guage onto a chassis p...   Feb 4 2025, 03:41 PM
Jack Standz   Got the recommended regulator and gauge installed...   Feb 4 2025, 06:09 PM
Jack Standz   Mixture: An Air Fuel Ratio meter/gauge is a very g...   Feb 4 2025, 06:33 PM
rhodyguy   For my carb pump, I removed the pump wire plug (do...   Feb 4 2025, 07:06 PM


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