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10 914's and counting
 
ctc911ctc's Avatar
 
Join Date: May 2018
Location: Boston
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Gas Goo in all lines -

I bought a '74 that has not run for 35 years. 10 gallons of pure EVIL in the tank, as well as black tar in the lines. Ordered new lines from Pelican. Installation seems like it is done from the rear. In essence pushin a rope.

QUESTION: the rubber(ish) Large Grommet(ish) device that provides a path through the gas tank bay. Is there a proper way to remove this? Any installation notes would be helpful. Did a search within this forum, results were not helpful.....

Thank you in advance,

C
Old 06-10-2018, 02:57 PM
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Groucho Marxist
 
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You could probably flush the hard lines with compressed air

Grommet at firewall is just a pain in the ass, Might be an unobtainable piece of rubber too
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Old 06-11-2018, 06:02 AM
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How about a Youtube video?

https://www.youtube.com/watch?v=IDFsZoI_W3g

--DD
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Pelican Parts 914 Tech Support

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Old 06-11-2018, 08:15 AM
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Groucho Marxist
 
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Did not watch the video.

Careful of the wiring in the tunnel if you are going to install the metal lines. Plenty of silicone spray helps lube the grommet. Much easier as a two man job.
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Old 06-11-2018, 04:22 PM
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Silicone isn't that good for rubber. Better to use glycerine, which you can get at many drugstores/pharmacies.

--DD
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Old 06-11-2018, 05:29 PM
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Groucho Marxist
 
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So dish soap, like the suspension rubber.

What is in that gummi pflege stuff then?
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Old 06-12-2018, 08:53 AM
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10 914's and counting
 
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The bubbles are from the goo heating up in the sun. Pure Evil, there is no cleaning this stuff, acetone is laughed at. If I had some carbon tet.....maybe - all new lines! Thanks for the advice to watch the electrical lines
Old 06-12-2018, 10:34 AM
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Dish soap is generally a reasonable substitute; many of them contain glycerine.

I don't know what's in "gummi pfledge". A quick Google search turns up this Autopia thread, which mentions the Wurth product having "isoparaffinic hydrocarbons, beeswax, and paraffin oil"

--DD
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Old 06-12-2018, 10:36 AM
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Removed all of the lines - there was no salvation - hard, gooey tar in every line inside the pump as well - plumbing nightmare, 3-4 mechanics 'fixed this over the years by the number of patch types. Note: frisbee makes a great fuel catcher when in a tight place!


Old 06-12-2018, 03:29 PM
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Hope you bought the SS hard lines for the Tunnel through Pelican and made by Tangerine Racing in CT.

They can advise you on any 914 Fuel Line question and are only 90 mins away from Boston.

Good people to hook up with if a 914 will be a long time in your future.

Len

Old 06-13-2018, 10:09 AM
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You can't flush out the tar. It will be everywhere. Take out the fabric lines and toss 'em.
Use a blunt dowel or other tool to push the rubber grommet out from the inside. Be careful not to rip it. If you do, try 914Rubber for a new one. (Cheap).
Old 07-08-2018, 03:50 PM
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Groucho Marxist
 
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Leave the rubber grommet in place on the chassis, no reason to remove it unless it is damaged, same with the one in the back. Maybe have that one and the one on the firewall behind the seats on hand, just in case.
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Old 07-09-2018, 03:09 PM
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There is a little compartment/opening behind the rubber grommet inside the cabin. That will help you feed the lines to the back.

From the way it looks your entire fuel system needs to be changed or flushed like the tank.



-Ed


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Old 07-31-2018, 12:04 PM
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