Home » Public Forums » GMCnet » Fuel pump or filter on a frame rail?
| Fuel pump or filter on a frame rail? [message #195270] |
Wed, 09 January 2013 08:17  |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Senior Member |
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Again, I am at the fuel system. Trying to make it be even more reliable than it was last year. The driver was that both fuel sending units have come out of calibration and while they are really not a necessity, the redundancy does allow some mental comfort.
While at this, I am thinking I will remove the pick-up socks and the carburetor filter and go with a single big easy to service filter mounted on the exterior of the driver's side (port) frame rail. I think I recall others mounting electric pumps there.
Problem: What did anybody do about the parking brake cable that currently occupies that space?
I am already in a fight with installing the new (Backwards and too tall) tank selector, so this is just an added issue.
Thanks
Matt - the coach with the ride height set a 23"
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 or filter on a frame rail? [message #195272 is a reply to message #195270] |
Wed, 09 January 2013 08:50  |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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I have 2 filters. One on each line coming from the tank. I have never needed to change them but if one were to plug up I can simply switch tanks and continue on my way. This also keeps any crap out of the selector valve and my electric fuel pump. I still keep a filter in the carb. Again it has never needed replacing but I do carry a spare somewhere in the coach.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] Fuel pump or filter on a frame rail? [message #195274 is a reply to message #195272] |
Wed, 09 January 2013 09:04 |
sgltrac
Messages: 2797
Registered: April 2011
Karma: 1
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I think you would want to instal the filter on the inboard side of the frame rail as opposed to the outside. Having the lines / pumps / filters on the inside affords them slightly better collision protection. I cannot recall working on any vehicle with fuel apparatus located on the outside o the rails with the exception of early 70s pickups which had the aux tanks inside the bed and outside of the frame. Scary I think.
Sully
77 royale
Seattle
Sent from my iPhone
On Jan 9, 2013, at 6:50 AM, Ken Burton <n9cv@comcast.net> wrote:
>
>
> I have 2 filters. One on each line coming from the tank. I have never needed to change them but if one were to plug up I can simply switch tanks and continue on my way. This also keeps any crap out of the selector valve and my electric fuel pump. I still keep a filter in the carb. Again it has never needed replacing but I do carry a spare somewhere in the coach.
> --
> Ken Burton - N9KB
> 76 Palm Beach
> Hebron, Indiana
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Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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| Re: [GMCnet] Fuel pump or filter on a frame rail? [message #195278 is a reply to message #195277] |
Wed, 09 January 2013 09:36 |
k2gkk
Messages: 4452
Registered: November 2009
Karma: -8
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Senior Member |
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Just a thought from someone with a "stock" fuel system.
I would think that having the lines OUTSIDE of the frame
would tend to reduce their exposure to engine and exhaust
heat!
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~~ ~ D C "Mac" Macdonald ~ ~~
~ ~ Amateur Radio - K2GKK ~ ~
~ ~ USAF and FAA, Retired ~ ~
~ ~ ~ Oklahoma City, OK ~ ~ ~
~~ ~ ~ "The Money Pit" ~ ~ ~~
~ ~ ~ ~ TZE166V101966 ~ ~ ~ ~
~ ~ ~ '76 ex-Palm Beach ~ ~ ~
~ www.gmcmhphotos.com/okclb ~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
______________
*[ ]~~~[][ ][|\
*--OO--[]---O-*
> From: emerystora@mac.com
> Date: Wed, 9 Jan 2013 08:32:38 -0700
> To: gmclist@temp.gmcnet.org
> Subject: Re: [GMCnet] Fuel pump or filter on a frame rail?
>
>
> On Jan 9, 2013, at 8:04 AM, Todd Sullivan wrote:
>
> > I think you would want to instal the filter on the inboard side of the frame rail as opposed to the outside. Having the lines / pumps / filters on the inside affords them slightly better collision protection. I cannot recall working on any vehicle with fuel apparatus located on the outside o the rails with the exception of early 70s pickups which had the aux tanks inside the bed and outside of the frame. Scary I think.
> >
> > Sully
> > 77 royale
> > Seattle
> >
> If you want scary, try lying on your back alongside a two lane road trying to work on your lines/pumps/filters mounted inside of the frame rails with trucks zooming by and you are trying to keep your legs from sticking out where the truck tires could roll over them.
>
> For just that reason, mine have been outside the frame rails to give ease to work on them for many years now. I know of many other GMCers that have followed my setup. There seems to be plenty of protection for the items mounted on the frame. However, each can do whatever they want to give comfort to their fears.
>
> Emery Stora
> 77 Kingsley
> Frederick, CO
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| Re: [GMCnet] Fuel pump or filter on a frame rail? [message #195281 is a reply to message #195278] |
Wed, 09 January 2013 10:04 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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From past experiences, I have instructed our shop staff to NEVER remove the
filter from the carb. as that is the most critical one to have.
Since you have the other High Capacity filters at the back, the one in the
carb. will not load up as fast.
On Wed, Jan 9, 2013 at 7:36 AM, D C _Mac_ Macdonald <k2gkk@hotmail.com>wrote:
>
> Just a thought from someone with a "stock" fuel system.
> I would think that having the lines OUTSIDE of the frame
> would tend to reduce their exposure to engine and exhaust
> heat!
>
> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
> ~~ ~ D C "Mac" Macdonald ~ ~~
> ~ ~ Amateur Radio - K2GKK ~ ~
> ~ ~ USAF and FAA, Retired ~ ~
> ~ ~ ~ Oklahoma City, OK ~ ~ ~
> ~~ ~ ~ "The Money Pit" ~ ~ ~~
> ~ ~ ~ ~ TZE166V101966 ~ ~ ~ ~
> ~ ~ ~ '76 ex-Palm Beach ~ ~ ~
> ~ www.gmcmhphotos.com/okclb ~
> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
> ______________
> *[ ]~~~[][ ][|\
> *--OO--[]---O-*
>
>
>
>
> > From: emerystora@mac.com
> > Date: Wed, 9 Jan 2013 08:32:38 -0700
> > To: gmclist@temp.gmcnet.org
> > Subject: Re: [GMCnet] Fuel pump or filter on a frame rail?
> >
> >
> > On Jan 9, 2013, at 8:04 AM, Todd Sullivan wrote:
> >
> > > I think you would want to instal the filter on the inboard side of the
> frame rail as opposed to the outside. Having the lines / pumps / filters on
> the inside affords them slightly better collision protection. I cannot
> recall working on any vehicle with fuel apparatus located on the outside o
> the rails with the exception of early 70s pickups which had the aux tanks
> inside the bed and outside of the frame. Scary I think.
> > >
> > > Sully
> > > 77 royale
> > > Seattle
> > >
> > If you want scary, try lying on your back alongside a two lane road
> trying to work on your lines/pumps/filters mounted inside of the frame
> rails with trucks zooming by and you are trying to keep your legs from
> sticking out where the truck tires could roll over them.
> >
> > For just that reason, mine have been outside the frame rails to give
> ease to work on them for many years now. I know of many other GMCers that
> have followed my setup. There seems to be plenty of protection for the
> items mounted on the frame. However, each can do whatever they want to give
> comfort to their fears.
> >
> > Emery Stora
> > 77 Kingsley
> > Frederick, CO
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Fuel pump or filter on a frame rail? [message #195290 is a reply to message #195277] |
Wed, 09 January 2013 11:52 |
sgltrac
Messages: 2797
Registered: April 2011
Karma: 1
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Senior Member |
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AAA towing insurance would be my option over getting under the coach on the side of the freeway. I won't even change a tire on the side of the road. The couple of vehicle flats I have had were dealt with after a slow crawl on the shoulder to a safe area to repair. If the tire stays on the rim then wheel damage is unlikely and if it does get damaged I would rather pay for a new one then take the chance of death injury.
My philosophy only
Sully
77 royale
Seattle
Sent from my iPhone
On Jan 9, 2013, at 7:32 AM, Emery Stora <emerystora@mac.com> wrote:
>
> On Jan 9, 2013, at 8:04 AM, Todd Sullivan wrote:
>
>> I think you would want to instal the filter on the inboard side of the frame rail as opposed to the outside. Having the lines / pumps / filters on the inside affords them slightly better collision protection. I cannot recall working on any vehicle with fuel apparatus located on the outside o the rails with the exception of early 70s pickups which had the aux tanks inside the bed and outside of the frame. Scary I think.
>>
>> Sully
>> 77 royale
>> Seattle
> If you want scary, try lying on your back alongside a two lane road trying to work on your lines/pumps/filters mounted inside of the frame rails with trucks zooming by and you are trying to keep your legs from sticking out where the truck tires could roll over them.
>
> For just that reason, mine have been outside the frame rails to give ease to work on them for many years now. I know of many other GMCers that have followed my setup. There seems to be plenty of protection for the items mounted on the frame. However, each can do whatever they want to give comfort to their fears.
>
> Emery Stora
> 77 Kingsley
> Frederick, CO
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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| Re: Fuel pump or filter on a frame rail? [message #196039 is a reply to message #195313] |
Sun, 20 January 2013 21:03 |
LarryInSanDiego
Messages: 336
Registered: September 2006
Karma: 0
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Senior Member |
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Being one VERY lucky survivor of not one, but two skirmishes with cars hitting me while riding a motorcycle (and this was back in the day before idiots discovered cell phones), I will not change a driver side tire on the shoulder. I also had a grade school friend (RIP Ricky Truffa) killed by a passing motorist while doing just that.
I still keep my DL motorcycle endorsement current, just in case, but considering how very crappy the average driver is these days, I pretty much lost that former burning urge to ride a bike anymore. It's just too scary out there and I'm no longer of the age where I thought myself as bulletproof.
Larry Engelbrecht
San Diego, CA
'73 26' ex-Glacier
TZE063V100319 03/07/73
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| Re: [GMCnet] Fuel pump or filter on a frame rail? [message #196042 is a reply to message #196039] |
Sun, 20 January 2013 21:32 |
sgltrac
Messages: 2797
Registered: April 2011
Karma: 1
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Senior Member |
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Sent from my iPhone
On Jan 20, 2013, at 7:03 PM, Larry Engelbrecht <lengelbrecht@sandi.net> wrote:
> Larry, that is why I now only own off road bikes.
Sully
77 royale
Sea
>
> Being one VERY lucky survivor of not one, but two skirmishes with cars hitting me while riding a motorcycle (and this was back in the day before idiots discovered cell phones), I will not change a driver side tire on the shoulder. I also had a grade school friend (RIP Ricky Truffa) killed by a passing motorist while doing just that.
>
> I still keep my DL motorcycle endorsement current, just in case, but considering how very crappy the average driver is these days, I pretty much lost that former burning urge to ride a bike anymore. It's just too scary out there and I'm no longer of the age where I thought myself as bulletproof.
> --
> Larry Engelbrecht
> '73 26' ex-Glacier
> TZE063V100319 030773
> _______________________________________________
> GMCnet mailing list
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> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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| Re: [GMCnet] Fuel pump or filter on a frame rail? [message #199058 is a reply to message #195270] |
Tue, 19 February 2013 15:55 |
berndh
Messages: 33
Registered: January 2007
Karma: 0
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Member |
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Matt,
I installed the electric fuel pump and filter I purchased from Jim Kanamoto.
I also installed the taller tank selector valve where there was space but
that required redoing the hoses to reach the new location.
A couple of things. BE SURE TO CHECK THE BACKSIDE of the rail so when you
drill the holes for the filter and pump brackets that you don’t hit the
brake lines. As for the clearance for the parking brake cable, it makes
contact but does not encumber the brake working. Its so close, and I think
you could clear the cable completely if you just put a spacer between the
frame and the pump and filter bracket.
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Matt Colie
Sent: Wednesday, January 09, 2013 7:18 AM
To: gmclist@temp.gmcnet.org
Subject: [GMCnet] Fuel pump or filter on a frame rail?
Again, I am at the fuel system. Trying to make it be even more reliable
than it was last year. The driver was that both fuel sending units have
come out of calibration and while they are really not a necessity, the
redundancy does allow some mental comfort.
While at this, I am thinking I will remove the pick-up socks and the
carburetor filter and go with a single big easy to service filter mounted on
the exterior of the driver's side (port) frame rail. I think I recall
others mounting electric pumps there.
Problem: What did anybody do about the parking brake cable that currently
occupies that space?
I am already in a fight with installing the new (Backwards and too tall)
tank selector, so this is just an added issue.
Thanks
Matt - the coach with the ride height set a 23"
--
Matt & Mary Colie
'73 Glacier 23 Chaumière (say show-me-air) Just about as stock as you will
find
SE Michigan - Twixt A2 and Detroit
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| Re: Fuel pump or filter on a frame rail? [message #199085 is a reply to message #195270] |
Tue, 19 February 2013 19:21 |
roy1
Messages: 2126
Registered: July 2004
Location: Minden nevada
Karma: 6
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Senior Member |
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| Matt Colie wrote on Wed, 09 January 2013 06:17 |
Again, I am at the fuel system. Trying to make it be even more reliable than it was last year. The driver was that both fuel sending units have come out of calibration and while they are really not a necessity, the redundancy does allow some mental comfort.
While at this, I am thinking I will remove the pick-up socks and the carburetor filter and go with a single big easy to service filter mounted on the exterior of the driver's side (port) frame rail. I think I recall others mounting electric pumps there.
Problem: What did anybody do about the parking brake cable that currently occupies that space?
I am already in a fight with installing the new (Backwards and too tall) tank selector, so this is just an added issue.
Thanks
Matt - the coach with the ride height set a 23"
|
I installed 2 carter pumps in that location on the outside of the frame rail. If you space them away from the frame the cable will fit nicely behind the pumps. If you use Cadillac filters like what Jim K offers you need to fabricate a bracket and attach it to the body where there is a thick aluminum plate that can be tapped. The reason for doing it this way is for the correct orientation of the inlet and outlet. I would still use a filter in the carburetor just to be sure nothing can get to mess up the needle valve it should never get plugged with the big filters at the pump doing the major filtering. When you remove the socks you will notice that the pickup is almost horizontal to the bottom of the tanks and about an inch from the bottom. I blazed a copper street elbow to each pickup and filed a small notch in each so I would be able to get all the gas from each tank.
Roy Keen
Minden,NV
76 X Glenbrook
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