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fuel pump [message #352848]

Tue, 17 March 2020 18:38

6cuda6

Messages: 975
Registered: June 2019

Karma: -6

Senior Member

Hi guys, tried to order a fuel pump from NAPA today and they told me it was no longer available.....anyone get one from another supplier lately?

Rich Mondor, Brockville, ON 77 Hughes 2600

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Re: fuel pump [message #352851 is a reply to message #352848]

Tue, 17 March 2020 18:59

Green machine

Messages: 184
Registered: July 2019
Location: North Vancouver BC

Karma: 5

Senior Member

I bought mine from amazon but it appears they are now out of stock.

Rock auto has them;

https://www.rockauto.com/en/parts/carter,M6108,fuel+pump,6256

Good luck

Shawn Harris North Vancouver, Canada 1977 Palm Beach 403

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Re: fuel pump [message #352856 is a reply to message #352851]

Tue, 17 March 2020 19:48

C Boyd

Messages: 2629
Registered: April 2006

Karma: 18

Senior Member

Y'all are looking for NON air conditioned fuel pump?

C. Boyd
76 Crestmont
East Tennessee

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Re: fuel pump [message #352858 is a reply to message #352856]

Tue, 17 March 2020 21:04

6cuda6

Messages: 975
Registered: June 2019

Karma: -6

Senior Member

C Boyd wrote on Tue, 17 March 2020 20:48

Y'all are looking for NON air conditioned fuel pump?

Nope....i have AC

Rich Mondor, Brockville, ON 77 Hughes 2600

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Re: fuel pump [message #352860 is a reply to message #352858]

Tue, 17 March 2020 21:07

C Boyd

Messages: 2629
Registered: April 2006

Karma: 18

Senior Member

6cuda6 wrote on Tue, 17 March 2020 22:04

C Boyd wrote on Tue, 17 March 2020 20:48
Y'all are looking for NON air conditioned fuel pump?
Nope....i have AC

Sir; the AC fuel pump has three ports and is designed for a return line to tank. the NON AC fuel pump is the 2 port that the Motorhome uses.

C. Boyd
76 Crestmont
East Tennessee

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Re: fuel pump [message #352861 is a reply to message #352860]

Tue, 17 March 2020 21:22

6cuda6

Messages: 975
Registered: June 2019

Karma: -6

Senior Member

C Boyd wrote on Tue, 17 March 2020 22:07

6cuda6 wrote on Tue, 17 March 2020 22:04
C Boyd wrote on Tue, 17 March 2020 20:48
Y'all are looking for NON air conditioned fuel pump?
Nope....i have AC

Sir; the AC fuel pump has three ports and is designed for a return line to tank. the NON AC fuel pump is the 2 port that the Motorhome uses.

Thank you for the correction.....

Rich Mondor, Brockville, ON 77 Hughes 2600

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Re: fuel pump [message #352862 is a reply to message #352856]

Tue, 17 March 2020 21:24

6cuda6

Messages: 975
Registered: June 2019

Karma: -6

Senior Member

C Boyd wrote on Tue, 17 March 2020 20:48

Y'all are looking for NON air conditioned fuel pump?

Yes....Cater M6108 and/or the Delphi versions are no longer available from NAPA.

Rich Mondor, Brockville, ON 77 Hughes 2600

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Re: fuel pump [message #352863 is a reply to message #352861]

Tue, 17 March 2020 21:28

C Boyd

Messages: 2629
Registered: April 2006

Karma: 18

Senior Member

you are welcome but all I have found on the web is the 3 port. you can use it by blocking off the return port but is a possible leak down the road. some have used the return line scabbed in the fill line to try to help vapor lock.

6cuda6 wrote on Tue, 17 March 2020 22:22

C Boyd wrote on Tue, 17 March 2020 22:07
6cuda6 wrote on Tue, 17 March 2020 22:04
C Boyd wrote on Tue, 17 March 2020 20:48
Y'all are looking for NON air conditioned fuel pump?
Nope....i have AC

Sir; the AC fuel pump has three ports and is designed for a return line to tank. the NON AC fuel pump is the 2 port that the Motorhome uses.
Thank you for the correction.....

C. Boyd
76 Crestmont
East Tennessee

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Re: fuel pump [message #352864 is a reply to message #352863]

Tue, 17 March 2020 21:32

C Boyd

Messages: 2629
Registered: April 2006

Karma: 18

Senior Member

C Boyd wrote on Tue, 17 March 2020 22:28

you are welcome but all I have found on the web is the 3 port. you can use it by blocking off the return port but is a possible leak down the road. some have used the return line scabbed in the fill line to try to help vapor lock.

might try jim k.. no telling what he has stashed in his rosy chipmunk cheeks.

6cuda6 wrote on Tue, 17 March 2020 22:22
C Boyd wrote on Tue, 17 March 2020 22:07
6cuda6 wrote on Tue, 17 March 2020 22:04
C Boyd wrote on Tue, 17 March 2020 20:48
Y'all are looking for NON air conditioned fuel pump?
Nope....i have AC

Sir; the AC fuel pump has three ports and is designed for a return line to tank. the NON AC fuel pump is the 2 port that the Motorhome uses.
Thank you for the correction.....

C. Boyd
76 Crestmont
East Tennessee

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Re: [GMCnet] fuel pump [message #352897 is a reply to message #352863]

Wed, 18 March 2020 16:43

k2gkk

Messages: 4452
Registered: November 2009

Karma: -8

Senior Member

The correct mechanical fuel pump's NAPA number should be in the GMCMI interchange listing. It is something like 7808 instead of 7809 or something like that.

D C "Mac" Macdonald
Amateur Radio K2GKK
Since 30 November '53
USAF and FAA, Retired
Member GMCMI & Classics
Oklahoma City, OK
"The Money Pit"
TZE166V101966
'76 ex-Palm Beach
k2gkk + hotmail dot com

Cell: 405-642-7337

________________________________
From: Gmclist on behalf of Charles Boyd via Gmclist
Sent: Tuesday, March 17, 2020 21:28
To: gmclist@list.gmcnet.org
Cc: Charles Boyd
Subject: Re: [GMCnet] fuel pump

you are welcome but all I have found on the web is the 3 port. you can use it by blocking off the return port but is a possible leak down the road.
some have used the return line scabbed in the fill line to try to help vapor lock.

6cuda6 wrote on Tue, 17 March 2020 22:22
> C Boyd wrote on Tue, 17 March 2020 22:07
>> 6cuda6 wrote on Tue, 17 March 2020 22:04
>>> C Boyd wrote on Tue, 17 March 2020 20:48
>>>> Y'all are looking for NON air conditioned fuel pump?
>>>
>>> Nope....i have AC
>>
>>
>>
>> Sir; the AC fuel pump has three ports and is designed for a return line to tank. the NON AC fuel pump is the 2 port that the Motorhome uses.
>
> Thank you for the correction.....

--
C. Boyd
76 Crestmont
East Tennessee

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Re: fuel pump [message #352912 is a reply to message #352848]

Wed, 18 March 2020 22:06

bwevers

Messages: 597
Registered: October 2010
Location: San Jose

Karma: 5

Senior Member

Jim K has them.
https://www.gmcrvparts.com/category-s/166.htm

Bill Wevers GMC49ers, GMC Western States 1975 Glenbrook - Manny Powerdrive, OneTon 455 F Block, G heads San Jose

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Re: fuel pump [message #352915 is a reply to message #352912]

Thu, 19 March 2020 06:32

6cuda6

Messages: 975
Registered: June 2019

Karma: -6

Senior Member

Jim K is the man when it comes to all parts GMC so no surprise.....thanks.

bwevers wrote on Wed, 18 March 2020 23:06

Jim K has them.
https://www.gmcrvparts.com/category-s/166.htm

Rich Mondor, Brockville, ON 77 Hughes 2600

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Re: fuel pump [message #352926 is a reply to message #352915]

Thu, 19 March 2020 10:03

Carl S.

Messages: 4186
Registered: January 2009
Location: Tucson, AZ.

Karma: 13

Senior Member

Another viable alternative, if you can't obtain a mechanical pump, would be to ditch it and install a block-off plate on the engine and a Carter P-4070 electric pump back by the gas tanks.

You might like it better anyway. It will definitely help with vapor lock.

Carl Stouffer '75 ex Palm Beach Tucson, AZ. Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member

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Re: fuel pump [message #352928 is a reply to message #352926]

Thu, 19 March 2020 10:34

6cuda6

Messages: 975
Registered: June 2019

Karma: -6

Senior Member

Thanks for the insight....im actually thinking both as i think its a long way for the mechanical to suck fuel and the electric would be both a good back up plus a good feeder.

Carl S. wrote on Thu, 19 March 2020 11:03

Another viable alternative, if you can't obtain a mechanical pump, would be to ditch it and install a block-off plate on the engine and a Carter P-4070 electric pump back by the gas tanks.

You might like it better anyway. It will definitely help with vapor lock.

Rich Mondor, Brockville, ON 77 Hughes 2600

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Re: fuel pump [message #352930 is a reply to message #352848]

Thu, 19 March 2020 10:52

jhbridges

Messages: 8412
Registered: May 2011
Location: Braselton ga

Karma: -74

Senior Member

See the first ten pictures: http://www.gmcmhphotos.com/photos/g6198-cane-9-creek-rv-park-heflin-2c-al.html
Dump the supplied filters, which will leak around the swaged join and replace them with the WIX exact replacement part. No check valve needed. Run the relay off the tank selector wire, and power the pumps through it with 12 volts from the ignition through a Ford safety switch or an oil pressure switch. The threaded adapter and blank flange allow you to return to stock roadside if you ever wanted to. None of the original fuel lines are cut or changed, just moved and you make up the tee section. No vapor lock since its install unless the new owner has had a problem. I ran it for a couple of years. For FI, replace the pumps and filters with ones designed for your system and use a return system to the fill tube.

--johnny

Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons. Braselton, Ga. I forgive them all, save those who hurt the dogs. They must answer to me in hell

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Re: fuel pump [message #352932 is a reply to message #352928]

Thu, 19 March 2020 12:56

Carl S.

Messages: 4186
Registered: January 2009
Location: Tucson, AZ.

Karma: 13

Senior Member

6cuda6 wrote on Thu, 19 March 2020 08:34

Thanks for the insight....im actually thinking both as i think its a long way for the mechanical to suck fuel and the electric would be both a good back up plus a good feeder.

Carl S. wrote on Thu, 19 March 2020 11:03
Another viable alternative, if you can't obtain a mechanical pump, would be to ditch it and install a block-off plate on the engine and a Carter P-4070 electric pump back by the gas tanks.

You might like it better anyway. It will definitely help with vapor lock.

I have both a Carter electric pump (hooked up to my aux. tank) and a mechanical pump on my engine. I probably don't need both, but I like the redundancy.

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Re: fuel pump [message #352941 is a reply to message #352930]

Thu, 19 March 2020 14:54

Matt Colie

Messages: 8547
Registered: March 2007
Location: S.E. Michigan

Karma: 7

Senior Member

I don't have my parts book handy, but I had a good fuel pump when the under sized engine stand toppled and it was crushed. I got a replacement from Rock Auto along with a whole bunch of other parts for the overhaul. When I got back on the road, there was a worsening fuel leak during the Amana run. When back in the barn, I found it to be the joint between the cover and the body of the fuel pump. I needed one fast. I could find the other number with the bleeder vent locally so that went on. When we got home, I approached Rock about a replacement under warranty.

Their response:
Not happening.
That pump was not for that vehicle don't bother us about it. (I have done my best to not bother them since.)

I contacted the manufacturer (Airdyn?), because it must be their catalog is bad.
Their response, "Here comes a pump. Please ship that bad one back in the packaging."
And, "Oh, Rock Auto is not an authorized distributor. They might have second sourced it." That also means that it could have been old stock - pre alcohol.

I still have the one with the return vent, but I want to fit a pair of electrics on there next.

Matt

Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit

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Re: fuel pump [message #352947 is a reply to message #352848]

Thu, 19 March 2020 17:11

JohnL455

Messages: 4447
Registered: October 2006
Location: Woodstock, IL

Karma: 12

Senior Member

If you go electric, carry a spare (or 3) on board. Been driving GM since 1969 and never had a mechanical pump fail. I have dropped many tanks on EFI cars however.

John Lebetski
Woodstock, IL
77 Eleganza II

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Re: fuel pump [message #352948 is a reply to message #352947]

Thu, 19 March 2020 17:25

6cuda6

Messages: 975
Registered: June 2019

Karma: -6

Senior Member

Oh ill always carry a spare pump and am not giving up the mechanical unless going to EFI....the places we go its probably easier to find beer than a parts store....lol.

JohnL455 wrote on Thu, 19 March 2020 18:11

If you go electric, carry a spare (or 3) on board. Been driving GM since 1969 and never had a mechanical pump fail. I have dropped many tanks on EFI cars however.

Rich Mondor, Brockville, ON 77 Hughes 2600

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Re: fuel pump [message #352952 is a reply to message #352947]

Fri, 20 March 2020 00:15

Ken Burton

Messages: 10030
Registered: January 2004
Location: Hebron, Indiana

Karma: 10

Senior Member

JohnL455 wrote on Thu, 19 March 2020 17:11

If you go electric, carry a spare (or 3) on board. Been driving GM since 1969 and never had a mechanical pump fail. I have dropped many tanks on EFI cars however.

I will second that. The last mechanical fuel pump I replaced was on a 1954 Ford for a friend when I was 18. That was almost 60 years ago. I have replaced more electric ones that I care to remember on various brands and types of vehicles.

If I were going to go only electric on a GMC, I would install two pumps (one on each tank) so I had a ready standby spare. Then you could simply switch tanks (and pumps) and continue on your way.

I did once tow a GMC friend a few miles back to Bean Station that had a mechanical fuel pump failure. We went to the auto parts store on a Sunday and got a replacement pump the he installed.

Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana

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