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Michael O’Harran

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1972 Mach 1 Mustang 351C
Currently Under Restoration
I am working on the install of the fuel vapor lines, brake lines and fuel lines. I have the Manuel and the old lines to see two are together on one side and one alone on the others. The preformed lines are not quite painting a clear picture. Can you guys help out with pics or diagrams to help me run these in the right spots? Thanks
 
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73 Grande will undergo three phase build process. Phase 1 is to make roadworthy. Phase 2 is interior/exterior restoration. Phase 3 is ++ performance.
I don’t have brake or fuel line photos, but I do have the vapor recovery line pic from an original, not restored 1973 (I don’t know if it’s the same as a 72). From the rear of the car where the line connects to the fuel tank (pic1), then two pics showing it’s path through the driveshaft tunnel (pic 2/3), to pic 4 which shows it coming out of the tunnel to the firewall, to the final pic 5 showing it routed to the vapor canister on the passenger side. Steve
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Michael O’Harran

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Maryland region south of DC
My Car
1972 Mach 1 Mustang 351C
Currently Under Restoration
I don’t have brake or fuel line photos, but I do have the vapor recovery line pic from an original, not restored 1973 (I don’t know if it’s the same as a 72). From the rear of the car where the line connects to the fuel tank (pic1), then two pics showing it’s path through the driveshaft tunnel (pic 2/3), to pic 4 which shows it coming out of the tunnel to the firewall, to the final pic 5 showing it routed to the vapor canister on the passenger side. Steve
View attachment 63255 View attachment 63256 View attachment 63257 View attachment 63258 View attachment 63259
This is very helpful. I think I can follow this to copy it. I see the two are tight together and I see the vapor line end and rubber pick up. Little unclear near tank still if anyone else has the break or fuel line or tank hook up and body mount points. Thanks
 
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73 Grande will undergo three phase build process. Phase 1 is to make roadworthy. Phase 2 is interior/exterior restoration. Phase 3 is ++ performance.
I found two more photos, showing the turn of the brake line in front of the rear axle and how it connects to the bracket on the drivers side to the brake hose to the axle. I made yellow arrows to point out what is the brake line. In this area, the brake line is covered with a spring wound cover, for protection. Hope these help. Steve

65FF0B17-6BC3-47F0-AF70-373B819BF362.jpeg 88C7B8FE-FADF-4ACE-B1AF-400689DBEEDE.jpeg
 
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1972 Mustang convertible, 351C 2V with FMX (#'s matching)
Currently equipped with 351C 4V 4BM, .060 over, roller cam, Sanderson block huggers, -AC
I am working on the install of the fuel vapor lines, brake lines and fuel lines. I have the Manuel and the old lines to see two are together on one side and one alone on the others. The preformed lines are not quite painting a clear picture. Can you guys help out with pics or diagrams to help me run these in the right spots? Thanks
This is my 72 ragtop. I hope this helps a bit.
 

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Joined
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1972 Mustang convertible, 351C 2V with FMX (#'s matching)
Currently equipped with 351C 4V 4BM, .060 over, roller cam, Sanderson block huggers, -AC
This is very helpful. I think I can follow this to copy it. I see the two are tight together and I see the vapor line end and rubber pick up. Little unclear near tank still if anyone else has the break or fuel line or tank hook up and body mount points. Thanks
My vapor line is as Steve described, starting in middle front of tank, up and over axle up the DS tunnel on DS and to the firewall over to the canister.
 

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Last edited:

Michael O’Harran

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Location
Maryland region south of DC
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1972 Mach 1 Mustang 351C
Currently Under Restoration
I found two more photos, showing the turn of the brake line in front of the rear axle and how it connects to the bracket on the drivers side to the brake hose to the axle. I made yellow arrows to point out what is the brake line. In this area, the brake line is covered with a spring wound cover, for protection. Hope these help. Steve

View attachment 63279 View attachment 63278
Thank you
 

Michael O’Harran

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1972 Mach 1 Mustang 351C
Currently Under Restoration
My vapor line is as Steve described, starting in middle front of tank, up and over axle up the DS tunnel on DS and to the firewall over to the canister.
So if your vapor line is up the DS, are all three lines run up the DS (brake fuel vapor)? I though the Manuel showed Vapor on passenger but it was not a clear picture or maybe I miss read it
 
Joined
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Location
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My Car
1972 Mustang convertible, 351C 2V with FMX (#'s matching)
Currently equipped with 351C 4V 4BM, .060 over, roller cam, Sanderson block huggers, -AC
So if your vapor line is up the DS, are all three lines run up the DS (brake fuel vapor)? I though the Manuel showed Vapor on passenger but it was not a clear picture or maybe I miss read it
The rear brake line comes up with the vapor line and then branches over to the master cylinder. I moved the harness so now if you look closely, the brake line to the RF looks like it is with the vapor line but is coming from the MC.
 

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Last edited:
Joined
Jan 2, 2019
Messages
238
Reaction score
156
Location
Wisconsin
My Car
1972 Mustang convertible, 351C 2V with FMX (#'s matching)
Currently equipped with 351C 4V 4BM, .060 over, roller cam, Sanderson block huggers, -AC
So if your vapor line is up the DS, are all three lines run up the DS (brake fuel vapor)? I though the Manuel showed Vapor on passenger but it was not a clear picture or maybe I miss read it
 

Hemikiller

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Fuel line runs down the driver's side rocker.

Vapor and brake run down the tunnel. There are some good photos on the 429 Megasite of the routings. Keep in mind that the 429CJ had an additional return line parallel with the fuel line, the 429SCJ and the rest of the engines did not.



 
Joined
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1972 Mustang convertible, 351C 2V with FMX (#'s matching)
Currently equipped with 351C 4V 4BM, .060 over, roller cam, Sanderson block huggers, -AC
I think I get what you are asking. There is one master line from MC to the rear (that mounts with vapor line) and on the axle housing there is a valve going out to L & R brake cylinders.
 

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Last edited:

Michael O’Harran

Well-known member
Joined
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166
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Location
Maryland region south of DC
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1972 Mach 1 Mustang 351C
Currently Under Restoration
Fuel line runs down the driver's side rocker.

Vapor and brake run down the tunnel. There are some good photos on the 429 Megasite of the routings. Keep in mind that the 429CJ had an additional return line parallel with the fuel line, the 429SCJ and the rest of the engines did not.



Thanks. Very clear.
 
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My all time favorite vehicle is our 1969 Shelby GT500
Here is what I have from Forel Shop Manual, Volume 6, Emission Control Systems. It has a section covering the Fuel Evaporative Control, to include several useful diagrams. I also have some photos I took of our 73 Mustang Convertible's Fuel Evaporative Control. I see you have already received a lot of photos and tips. I have little more to offer, other than the diagrams from the Shop Manual. My photos may be redundant. I will say this, the Fuel Evaporative Control system is one of those rare emission control systems that actually does good, a lot of good, with no downside. It is too often misunderstood and bypassed or defeated by folks who so not understand how it works, much less why it is in place to begin with (other than part of government required emission control purposes). I rank this at the level of PCV systems re: it far outweighing any alleged negatives when set up and working properly.
 

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