EGR routing guidance needed
Thread Starter
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Senior User
Joined: Jan 2003
Posts: 312
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From: Huntsville, AL
EGR routing guidance needed
73/302-2v/3 spd manual
Here is my current set-up. I have researched through Mil1ion's gallery, on-line etc and can't find a diagram for this model/year. So based on those diagrams here is what I got:
The EGR vacuum control valve provides vacuum to the EGR valve when the coolant temperature reaches a certain level.
1) Vacuum lines runs from vac advance to carb. There is a tee in between with a line that runs to the top port on the EGR Vacuum Control Valve.
2. Vacuum line runs from the bottom port of the EGR Vacuum Control Valve to the EGR Valve.
There is no rough idle or pinging, which are signs that it's connected correctly. If I take vacuum directly off the intake's rear at the vac. main the valve will move, so that should mean it's not carboned up.
Is there anything y'all see that I should be doing differently?
When I increase engine rpm should I be able to see the rod in the EGR valve move?
Thanks
Here is my current set-up. I have researched through Mil1ion's gallery, on-line etc and can't find a diagram for this model/year. So based on those diagrams here is what I got:
The EGR vacuum control valve provides vacuum to the EGR valve when the coolant temperature reaches a certain level.
1) Vacuum lines runs from vac advance to carb. There is a tee in between with a line that runs to the top port on the EGR Vacuum Control Valve.
2. Vacuum line runs from the bottom port of the EGR Vacuum Control Valve to the EGR Valve.
There is no rough idle or pinging, which are signs that it's connected correctly. If I take vacuum directly off the intake's rear at the vac. main the valve will move, so that should mean it's not carboned up.
Is there anything y'all see that I should be doing differently?
When I increase engine rpm should I be able to see the rod in the EGR valve move?
Thanks
New User
Joined: Jan 2008
Posts: 0
Likes: 24
This is Just the EGR diagram you want .as you mentioned before...correct
(I notice you have 73 302, In was under the impression it was 78
3's & 8's look alike to me sometimes)
not the Emissions and vacuum lines ?
If so then you should have asked me for the Emissions diagram
https://www.ford-trucks.com/user_gal...photoid=117055
1973 was tough year to find emission things for and In 1974 things to do with the EGR changed.
I'll check some older books for illustrations you need.
EDIT:
It isn't much but I found a diagram and will post it shortly as I need to scan it first.
(I notice you have 73 302, In was under the impression it was 78
3's & 8's look alike to me sometimes)
not the Emissions and vacuum lines ?
If so then you should have asked me for the Emissions diagram
https://www.ford-trucks.com/user_gal...photoid=117055
1973 was tough year to find emission things for and In 1974 things to do with the EGR changed.
I'll check some older books for illustrations you need.
EDIT:
It isn't much but I found a diagram and will post it shortly as I need to scan it first.
Last edited by Mil1ion; May 29, 2006 at 10:34 PM.
New User
Joined: Jan 2008
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Okay, I have this one for a 73 302.
http://www.clubfte.com/users/mil1ion/73egrdiagram.JPG
and this generic one that doesnt say what it is for.
http://www.clubfte.com/users/mil1ion/Fordegr2.JPG
I hope this helps you out ?
http://www.clubfte.com/users/mil1ion/73egrdiagram.JPG
and this generic one that doesnt say what it is for.
http://www.clubfte.com/users/mil1ion/Fordegr2.JPG
I hope this helps you out ?
Thread Starter
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Senior User
Joined: Jan 2003
Posts: 312
Likes: 1
From: Huntsville, AL
Mil1ion,
That's closest I've seen yet. Thanks. I will take a look at a few thing I saw in those diagrams tonight and compare to what's on the truck.
The 73 302/2v diagram shows many more parts to the system than mine has. I don't have any of the the other vacuum control ports other than the one fot the EGR.
Is that diagram specific to a 73 truck?
Many thanks again.
That's closest I've seen yet. Thanks. I will take a look at a few thing I saw in those diagrams tonight and compare to what's on the truck.
The 73 302/2v diagram shows many more parts to the system than mine has. I don't have any of the the other vacuum control ports other than the one fot the EGR.
Is that diagram specific to a 73 truck?
Many thanks again.
New User
Joined: Jan 2008
Posts: 0
Likes: 24
No it didn't say car or truck.
I would suspect a car though.
Just what you see on the bottom of the pic.
I have what some woud call a huge library and things like this are hard to find.
This is what I mean by Not finding much.
The thing is Emissions weren't a big deal until then
I remember when the new cars and trucks came our in the 60's how minimally equipped they were,........... That's why they were so powerful though
I have one last possibly resource but ot is a Ford 73 Car shop manual.
I would suspect a car though.
Just what you see on the bottom of the pic.
I have what some woud call a huge library and things like this are hard to find.
This is what I mean by Not finding much.
The thing is Emissions weren't a big deal until then
I remember when the new cars and trucks came our in the 60's how minimally equipped they were,........... That's why they were so powerful though
I have one last possibly resource but ot is a Ford 73 Car shop manual.
Thread Starter
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Senior User
Joined: Jan 2003
Posts: 312
Likes: 1
From: Huntsville, AL
https://www.ford-trucks.com/user_gal...&albumid=22634
Mil1ion,
I have created a gallery to display my current set-up. Bounce this off of what the diagrams are showing. Any ideas?
Thanks....
Mil1ion,
I have created a gallery to display my current set-up. Bounce this off of what the diagrams are showing. Any ideas?
Thanks....
Last edited by BigShelby; May 30, 2006 at 08:42 PM. Reason: can't get link to gallery to work
