Home » Public Forums » GMCnet » Installing steel fuel lines questions
| Installing steel fuel lines questions [message #170703] |
Thu, 24 May 2012 07:30  |
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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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Well, It seems this will be my year under the coach.... In a day or so, I will have the tanks defueled and down.
I want to put steel everywhere I can. Emery has suggested using brass compression fitting at the sending units.
Problem: Aren't there rolled barbs there to keep hoses on?
What does one do about those? I kind of hate to saw them off. I will if that is the good answer. I am not sure if I would rather that than use stubs of 30R9 to make the joint.
It is obvious that I will have to use 30R9 for parts of the system, I would just like to have those parts accessible for repairs that will be required later.
I am going to run double fill vents as far up as I can.
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: [GMCnet] Installing steel fuel lines questions [message #170717 is a reply to message #170703] |
Thu, 24 May 2012 08:49  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Matt,
Yes you are correct, there are rolled barbs on the fuel line fittings.
Here's a picture of the OEM fuel sending units:
http://www.gmcmhphotos.com/photos/403-port-fuel-injection/p9024.html
Hopefully the tubes on your senders won't be scratched like these!
When I had my tanks out down at JimB's I verified that after you cut off the rolled barbs there is enough tubing left for a
compression fitting, ferrule, and nut. I also verified that there was enough clearance between the two tubes to fit a compression
fitting. I was going to use a compression fitting to AN fitting at that point. That way if I ever needed to remove the senders I
could break the AN connection and not have to pull the tubes out of the compression fitting.
Unfortunately I was not prepared to install the steel lines at the time. Actually I'm glad I didn't as I will use Poly Armour when I
do it.
Here's a link to a picture of a new one on JimK's website:
http://www.appliedgmc.com/products/full/773.jpg
It's hard to tell but it appears that there is enough tube left after you cut off the rolled barbs on these also. You might have to
"tweak" the tubes and spread them apart a bit though.
Regards,
Rob M.
-----Original Message-----
From: Matt Colie
Well, It seems this will be my year under the coach.... In a day or so, I will have the tanks defueled and down.
I want to put steel everywhere I can. Emery has suggested using brass compression fitting at the sending units.
Problem: Aren't there rolled barbs there to keep hoses on?
What does one do about those? I kind of hate to saw them off. I will if that is the good answer. I am not sure if I would rather
that than use stubs of 30R9 to make the joint.
It is obvious that I will have to use 30R9 for parts of the system, I would just like to have those parts accessible for repairs
that will be required later.
I am going to run double fill vents as far up as I can.
Matt
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: Installing steel fuel lines questions [message #170747 is a reply to message #170738] |
Thu, 24 May 2012 16:54 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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Matt, while you have your sending units out, double check the ground coonection to the ribbon on the rheostats. They are secured with a small crimp washer that is notorious for loosening and then losing your fuel readings. When I had them out the second time, I soldered that connection. That will all makes sense when you see it.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: Installing steel fuel lines questions [message #170759 is a reply to message #170747] |
Thu, 24 May 2012 18:54 |
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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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| Bob de Kruyff wrote on Thu, 24 May 2012 17:54 |
Matt, while you have your sending units out, double check the ground coonection to the ribbon on the rheostats. They are secured with a small crimp washer that is notorious for loosening and then losing your fuel readings. When I had them out the second time, I soldered that connection. That will all makes sense when you see it.
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Bob,
Thanks for the heads-up, but I am going to try to avoid pulling the sending units as I have done that once. Most of what I have to do (I got the coach de-fueled today) is locate the leak and make sure it gets dealt with when I replace every piece of rubber in sight and add the separate fill vents and, maybe, have time to try to deal with the problematic vent liquid trap dealy thing.
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: [GMCnet] Installing steel fuel lines questions [message #170784 is a reply to message #170748] |
Thu, 24 May 2012 22:29 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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Senior Member |
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yep , that crimp is why i have holes in my floor.
not to put in Polyarmor pipe without dropping the tanks
whatthink?
gene
On Thu, May 24, 2012 at 3:01 PM, Kelvin Dietz <kelvin@datsuns.com> wrote:
> I'll bet I should have done that when I had them out last time....
> Oh well, there are holes in my floor now. Just need to lift the carpeting.
>
> Kelvin
> '73 23' in Eugene, OR
> >
> > Matt, while you have your sending units out, double check the ground
> coonection to the ribbon on the rheostats. They are secured with a small
> crimp washer that is notorious for loosening and then losing your fuel
> readings. When I had them out the second time, I soldered that connection.
> That will all makes sense when you see it.
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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| Re: [GMCnet] Installing steel fuel lines questions [message #170788 is a reply to message #170784] |
Thu, 24 May 2012 22:49 |
kelvin
Messages: 608
Registered: February 2004
Location: Eugene, OR
Karma: 0
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I think you'd need holes in the floor to use that solid-line method of
fuel delivery.
Still not betting I won't have the tanks down one more time. :^)
Kelvin
On 5/24/2012 8:29 PM, gene Fisher wrote:
> yep , that crimp is why i have holes in my floor.
>
> not to put in Polyarmor pipe without dropping the tanks
> whatthink?
> gene
>
>
>
> On Thu, May 24, 2012 at 3:01 PM, Kelvin Dietz<kelvin@datsuns.com> wrote:
>
>> I'll bet I should have done that when I had them out last time....
>> Oh well, there are holes in my floor now. Just need to lift the carpeting.
>>
>> Kelvin
>> '73 23' in Eugene, OR
>>> Matt, while you have your sending units out, double check the ground
>> coonection to the ribbon on the rheostats. They are secured with a small
>> crimp washer that is notorious for loosening and then losing your fuel
>> readings. When I had them out the second time, I soldered that connection.
>> That will all makes sense when you see it.
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>
>
>
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| Re: [GMCnet] Installing steel fuel lines questions [message #170791 is a reply to message #170788] |
Thu, 24 May 2012 23:16 |
emerystora
Messages: 4442
Registered: January 2004
Karma: 13
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Senior Member |
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Why?
I didn't put holes in the floor when I installed my in-tank fuel pumps and steel fuel lines.
I know many others that didn't either.
Emery Stora
On May 24, 2012, at 9:49 PM, Kelvin Dietz <kelvin@datsuns.com> wrote:
> I think you'd need holes in the floor to use that solid-line method of
> fuel delivery.
>
> Still not betting I won't have the tanks down one more time. :^)
>
> Kelvin
>
>
> On 5/24/2012 8:29 PM, gene Fisher wrote:
>> yep , that crimp is why i have holes in my floor.
>>
>> not to put in Polyarmor pipe without dropping the tanks
>> whatthink?
>> gene
>>
>>
>>
>> On Thu, May 24, 2012 at 3:01 PM, Kelvin Dietz<kelvin@datsuns.com> wrote:
>>
>>> I'll bet I should have done that when I had them out last time....
>>> Oh well, there are holes in my floor now. Just need to lift the carpeting.
>>>
>>> Kelvin
>>> '73 23' in Eugene, OR
>>>> Matt, while you have your sending units out, double check the ground
>>> coonection to the ribbon on the rheostats. They are secured with a small
>>> crimp washer that is notorious for loosening and then losing your fuel
>>> readings. When I had them out the second time, I soldered that connection.
>>> That will all makes sense when you see it.
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>>
>>
>>
>
> _______________________________________________
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| Re: [GMCnet] Installing steel fuel lines questions [message #170792 is a reply to message #170791] |
Thu, 24 May 2012 23:34 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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Senior Member |
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dunna wanta drop the tanks
ever
and
wannna try
- in tank pumps
- drain connects
-single sender
- no tank selector
- single pickup
just lots of tank stuff, and dunna wanta drop tanks
gene
gene
On Thu, May 24, 2012 at 9:16 PM, Emery Stora <emerystora@mac.com> wrote:
> Why?
>
> I didn't put holes in the floor when I installed my in-tank fuel pumps and
> steel fuel lines.
>
> I know many others that didn't either.
>
> Emery Stora
>
>
> On May 24, 2012, at 9:49 PM, Kelvin Dietz <kelvin@datsuns.com> wrote:
>
> > I think you'd need holes in the floor to use that solid-line method of
> > fuel delivery.
> >
> > Still not betting I won't have the tanks down one more time. :^)
> >
> > Kelvin
> >
> >
> > On 5/24/2012 8:29 PM, gene Fisher wrote:
> >> yep , that crimp is why i have holes in my floor.
> >>
> >> not to put in Polyarmor pipe without dropping the tanks
> >> whatthink?
> >> gene
> >>
> >>
> >>
> >> On Thu, May 24, 2012 at 3:01 PM, Kelvin Dietz<kelvin@datsuns.com>
> wrote:
> >>
> >>> I'll bet I should have done that when I had them out last time....
> >>> Oh well, there are holes in my floor now. Just need to lift the
> carpeting.
> >>>
> >>> Kelvin
> >>> '73 23' in Eugene, OR
> >>>> Matt, while you have your sending units out, double check the ground
> >>> coonection to the ribbon on the rheostats. They are secured with a
> small
> >>> crimp washer that is notorious for loosening and then losing your fuel
> >>> readings. When I had them out the second time, I soldered that
> connection.
> >>> That will all makes sense when you see it.
> >>>
> >>> _______________________________________________
> >>> GMCnet mailing list
> >>> Unsubscribe or Change List Options:
> >>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> >>>
> >>
> >>
> >
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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| Re: [GMCnet] Installing steel fuel lines questions [message #170797 is a reply to message #170792] |
Fri, 25 May 2012 01:21 |
 |
ljdavick
Messages: 3548
Registered: March 2007
Location: Fremont, CA
Karma: -3
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Senior Member |
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Has Gene been trying the new SuperSize McWallbangers with his free wifi?
Larry Davick
On May 24, 2012, at 9:34 PM, gene Fisher <mr.erfisher@gmail.com> wrote:
> dunna wanta drop the tanks
> ever
>
> and
>
> wannna try
> - in tank pumps
> - drain connects
> -single sender
> - no tank selector
> - single pickup
>
>
> just lots of tank stuff, and dunna wanta drop tanks
>
> gene
>
>
> gene
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Larry Davick
A Mystery Machine
1976(ish) Palm Beach
Fremont, Ca
Howell EFI + EBL + Electronic Dizzy
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