Fuel Tank Conections Main Tank Drivers Side

Bob Dunahugh

New member
Sep 17, 2012
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Good chance to replace the rubber hoses from the sending unit fuel/vent with steel lines. Makes tank installation simpler. Stops the chance of crushing the rubber hoses. And the steel will never have to be replaced. You'll then need to buy 12 foot less hose. Good quality hose is getting pricey. Use compression fittings at the sending unit for a good connection. Get 4, long 3/8 carriage bolts to make 1/2 inch longer gas tank J bolts. Bob Dunahugh 78 Royale Iowa
 
Bob,

I’ve seen the steel lines mentioned several times, but I haven’t run across a good “how to” yet. Would you be willing to write one up?

-Dave
1978 Transmode near Pittsburgh

>
> Good chance to replace the rubber hoses from the sending unit fuel/vent with steel lines. Makes tank installation simpler. Stops the chance of crushing the rubber hoses. And the steel will never have to be replaced. You'll then need to buy 12 foot less hose. Good quality hose is getting pricey. Use compression fittings at the sending unit for a good connection. Get 4, long 3/8 carriage bolts to make 1/2 inch longer gas tank J bolts. Bob Dunahugh 78 Royale Iowa
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Using steel lines are great, however the time and reliability of the
compression fittings are the reason why we do not encourage that method.
The newer hoses have a Barrior, a nylon hose covered with rubber and fiber
, should be good for 30-40 year .
The body pads can compress the rubber hose if not installed correctly.

On Sun, Nov 18, 2018 at 9:01 AM Dave Stragand
wrote:

> Bob,
>
> I’ve seen the steel lines mentioned several times, but I haven’t run
> across a good “how to” yet. Would you be willing to write one up?
>
> -Dave
> 1978 Transmode near Pittsburgh
>

> >
> > Good chance to replace the rubber hoses from the sending unit fuel/vent
> with steel lines. Makes tank installation simpler. Stops the chance of
> crushing the rubber hoses. And the steel will never have to be replaced.
> You'll then need to buy 12 foot less hose. Good quality hose is getting
> pricey. Use compression fittings at the sending unit for a good connection.
> Get 4, long 3/8 carriage bolts to make 1/2 inch longer gas tank J bolts.
> Bob Dunahugh 78 Royale Iowa
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk
http://www.appliedgmc.com
1-800-752-7502
 
Check the In-tank Fuel pump
Seminar that I wrote up 10 years ago. It has instructions for steel lines even if you don’t do the in-tank pumps.

Drop the steel lines down to the side of the tanks to where you can easily connect hoses or extend the steel lines to the pump and to the engine.

https://www.gmcmi.com/wp-content/uploads/2013/02/In_tank_Fuel_Pump_Presentation.pdf

It’s on other sites as well

Emery Stora
77 Kingsley
Frederick, CO

>
> Bob,
>
> I’ve seen the steel lines mentioned several times, but I haven’t run across a good “how to” yet. Would you be willing to write one up?
>
> -Dave
> 1978 Transmode near Pittsburgh
>

>>
>> Good chance to replace the rubber hoses from the sending unit fuel/vent with steel lines. Makes tank installation simpler. Stops the chance of crushing the rubber hoses. And the steel will never have to be replaced. You'll then need to buy 12 foot less hose. Good quality hose is getting pricey. Use compression fittings at the sending unit for a good connection. Get 4, long 3/8 carriage bolts to make 1/2 inch longer gas tank J bolts. Bob Dunahugh 78 Royale Iowa
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
 
Jim
My compression fittings have held up fine for over 11 years. How many more years do you feel we need to test the “time and reliability”?

Emery Stora
77 Kingsley
Frederick, CO

>
> Using steel lines are great, however the time and reliability of the
> compression fittings are the reason why we do not encourage that method.
> The newer hoses have a Barrior, a nylon hose covered with rubber and fiber
> , should be good for 30-40 year .
> The body pads can compress the rubber hose if not installed correctly.
>
> On Sun, Nov 18, 2018 at 9:01 AM Dave Stragand

>
>> Bob,
>>
>> I’ve seen the steel lines mentioned several times, but I haven’t run
>> across a good “how to” yet. Would you be willing to write one up?
>>
>> -Dave
>> 1978 Transmode near Pittsburgh
>>

>>>
>>> Good chance to replace the rubber hoses from the sending unit fuel/vent
>> with steel lines. Makes tank installation simpler. Stops the chance of
>> crushing the rubber hoses. And the steel will never have to be replaced.
>> You'll then need to buy 12 foot less hose. Good quality hose is getting
>> pricey. Use compression fittings at the sending unit for a good connection.
>> Get 4, long 3/8 carriage bolts to make 1/2 inch longer gas tank J bolts.
>> Bob Dunahugh 78 Royale Iowa
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> --
> Jim Kanomata
> Applied/GMC, Newark,CA
> jimk
> http://www.appliedgmc.com
> 1-800-752-7502
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org