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Old 02-24-2014, 07:55 PM
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65WJ 65WJ is offline
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if you have the service manual look in the exhaust section
in my 65-66 manuals the vapor return line is explained and diagramed

patrick

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Old 02-24-2014, 09:33 PM
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My manual is for 61 and the Fuel/Exhaust section makes a mention of the vapor return but no real description and diagram. Even the A/C manual, which does mention the vapor return as a deviation from non-A/C cars, gives no description. The diagrams in the A/C manual that do show the fuel filter show it as a non-vapor return filter. That's most of the reason I'm having a hard time defining exactly what the system looked like.

I don't think the pipe was ever sold as a service item and the parts book just lists the tubing rolls. Maybe that's why a lot of cars have the long over the valve cover routing as mechanics could do it easier than making the very short U bend come off the filter. But lilabner is finding so may cars with that routing it looks like maybe that was the factory way. At least for 61 or 62. I know the later had the sharp U bend.

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Old 03-07-2014, 11:16 AM
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Here's how I did mine, based on best info.

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Last edited by DMRGTO; 09-19-2014 at 10:52 AM.
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Old 03-07-2014, 12:41 PM
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DMRGTO - based on what has been posted here and in a similar thread in 64-65 GTO Tempest forum it looks like what you have done would be correct for a 62 B body. Looks like a nice job. Neat installation.

I have always liked to keep things original when possible and may have to remake mine about like yours without the hose bracket (I think the parts book only lists that as being used in 62). But that approach looks awkward and may be why the factory eventually changed it. But right is right so I may have to do it that way. At least I know who the mechanic will be working on mine and he (me) will keep it that way.

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Old 03-07-2014, 04:13 PM
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OK, so as long as we are talking fuel lines for AC set-ups, I recently saw what appears to be an inlet safety relief of some sort mounted on the inlet to the fuel pump on a 1963 GP with AC. First time I saw this. The owner of the car (in his 70's) indicated to me that the relief was original and most shops removed them when they changed the fuel pump.

Any insight on these? See attached pictures. The item in question has a metal dome in picture 1and is silver in color. It is hard to see in picture 2. (tough to get the camera down at the proper angle to take the shot)
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Old 03-11-2014, 01:16 PM
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LASJahawk has itright. That is a damper/expansion chamber to diffuse "pulsing" in the system.

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