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Fuel Systems and Drivability / Re: Quality OE Fuel pumps?
« Last post by Mr Diesel on October 14, 2026, 09:30:04 pm »
Can you open them up and find the points of failure? Multiple pumps doing this points to a likely problem elsewhere, unless you can pinpoint the reason for failure.

Last one that failed on me was a plastic pivot piece inside. China part. Replaced it with a Carter that was metal components instead. A carburetor requires very little pump pressure so your failure inside the pump should be pretty obvious.
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Fuel Systems and Drivability / Re: Quality OE Fuel pumps?
« Last post by Scaryfastatx on October 14, 2026, 06:16:44 pm »
WELP!

the latest carter M6266 just died after 3 days
2 trips to work, and half a trip to the grocery store...


I've been testing the Delphi ones, and one of them with the return port plugged seems like it might work

Thinking about putting an in line orifice or maybe scavenging the orifice off of the M6266

Also thought maybe turning down some 0.060" jets and shoving them into the return hose

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Fuel Systems and Drivability / Re: Quality OE Fuel pumps?
« Last post by Mr Diesel on October 09, 2026, 03:09:08 pm »
Garbage aftermarket. I could keep my old junk running forever if there was just some decent replacement repair parts.

I avoid anything stamped in China. Best option is usually Taiwan, followed probably by Mexico, U.S., and any other country besides China.
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Fuel Systems and Drivability / Re: Quality OE Fuel pumps?
« Last post by Scaryfastatx on October 09, 2026, 09:53:19 am »
Yeah, it's mechanical

So 3 Delphi, none of them had an orifice on the return bung, one of them worked for 30-45 minutes before it lost enough pumping capacity due to the full flow return

I didn't notice it didn't have the orifice was missing until I pulled it off

Also noticed the dreaded A stamped on the, so I guess Delphi white labels through Airtex


Pump #2


Pump #3




I ordered a Carter again, has the orifice and truck is back on the road, I'll take 3 years operation Vs 30 minutes any day
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Fuel Systems and Drivability / Re: Quality OE Fuel pumps?
« Last post by JohnnyPopper on October 06, 2026, 08:36:36 pm »
sounds like mechanical.
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Fuel Systems and Drivability / Re: Quality OE Fuel pumps?
« Last post by Mr Diesel on October 01, 2026, 08:24:19 pm »
Are you talking electric or mechanical pump?
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Members Rides / Re: 80 C10 SWB "The Ruby Build"
« Last post by Thompson335 on October 01, 2026, 11:20:37 am »
some more interior pics
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Members Rides / Re: 80 C10 SWB "The Ruby Build"
« Last post by Thompson335 on October 01, 2026, 09:29:27 am »
Started working the interior, Added some sound deadening so I could hear the new Bluetooth sound system I added.
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Fuel Systems and Drivability / Quality OE Fuel pumps?
« Last post by Scaryfastatx on September 30, 2026, 10:21:05 pm »
Anybody have any guidance?

On my 305 dualjet with return, I had a carter pump and it lasted about 1-2 years

Finally gave out a few weeks ago

I ordered a Delphi and it was dead out of the box, wouldn't hold pressure unless I capped off the return line

Got a replacement Delphi shipped by the vendor

The replacement worked for about 30 minutes and then died, luckily I had some vice grips and was able to make it home.

The replacement won't hold pressure unless the return is capped also

It's crazy that you can't find a good fuel pump anymore
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Engine/Drivetrain / Re: TV bracket for Dualjet carbs?
« Last post by Scaryfastatx on September 30, 2026, 10:15:17 pm »
Quote from: VileZambonie on June 25, 2026, 06:36:47 pm
Use the same bracket

Ok awesome thanks
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