69 Fuel lines - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

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post #1 of 2 (permalink) Old Aug 3rd, 03, 03:07 PM Thread Starter
Join Date: Jul 2003
Posts: 17

Not sure where to post this

I have a 1969 X55 code, and would like any
information or schematics on the correct routing of the "2" fuel lines my car has.

I found after some digging that my 2nd fuel line seemd to be cut and capped (with a screw!!! no less) and tucked up-over my gastank - so I would like to know how I can fix this problem ASAP?

What is the purpose of the 2nd fuel line (is it just a return, and is there a problem if not hooked up)?
Did all 67-69 SS's have them?

If and when I fix this what replacement parts should I use or anstandard fuel line hosing or should I go to my local GM dealer?

Does anyone have pictures of what the correct routing of both fuel lines is supposed to look like?

again, any and all information would be greatly appreciated, thanks in advance

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post #2 of 2 (permalink) Old Aug 3rd, 03, 04:48 PM
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Join Date: Jun 2001
Location: Central Minnesota
Posts: 15,994

Hi Tux, welcome to the TC site. The dual fuel lines in a 69 are best viewed in the Factory Assembly Manual where it shows the bolt spots etc. My dual line is capped neat the fuel pump but connected near the gas tank with no problems.
The line was a vapor return line used on cars with Roch. Qjet carbs to help eliminate fuel boiling. Its actually called a 'vapor return line'.
I ran my car with a standard filter ahead of the fuel pump until this past week,when I got my Qjet and intake put back on. I then got the special fuel filter that bolts behind the water pump ahead of the thermostat housing.
Id recommend you get that manual first, there are many of them on ebay Ive seen.
Hope this helps, goood luck. Here is a pic showing the filter.


Click..is Jim..former owner of a 69RS-LM1 350/255 - 700r
"There will come a time when you believe everything is finished,
That will be the beginning." Louis L'Amour
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