1973 1100 pickup 392 v8 vacuum lines

stultzfarms said:
it's just the stock carb on it. Did they make different carbs for it?
Click to expand...

Yes.

You could have a Holley two barrel carb or a Holley four barrel carb. Possibly a carter thermoquad carb.

Diagrams are in the IH service manual.

A diagram was attached under the hood of your truck when new, possibly on the heater box or cowl area. Probably faded or worn out by now.

Here is one from my files, probably not the exact diagram for your engine as it is made for an engine with all options, I.e.. A/c, cruise, etc. It is from the IH manual.
 

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  • 1973 SV Vacuum Diagram.PDF
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Thank you very much. I am a rookie mechanic and just taking it step by step. Also my engine temperature gauge is not working and I cannot locate it on the engine. Do you know the general area where it is on the block?
 
stultzfarms said:
thank you very much. I am a rookie mechanic and just taking it step by step. Also my engine temperature gauge is not working and I cannot locate it on the engine. Do you know the general area where it is on the block?
Click to expand...

The temp probe is located on the intake manifold adjacent to the thermostat housing, right side (passenger side in the usa).

Photo, where the plug is installed.

I moved mine to another location, hence the plug in this photo.
 

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  • Temp probe location - Intake manifold.jpg
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Last edited:
I know it has been a while, but I have finally gotten around to replacing it. My problem is there is no wire connected to the temp gauge. I've tried tracing wires but I just can't pin it down. I have a picture but unfortunately I do not know how to post it. Any help would be appreciated
 
stultzfarms said:
I know it has been a while, but I have finally gotten around to replacing it. My problem is there is no wire connected to the temp gauge. I've tried tracing wires but I just can't pin it down. I have a picture but unfortunately I do not know how to post it. Any help would be appreciated
Click to expand...

To add a photo to your last post, click on "edit", then click on "go advanced", then scroll down to "manage attachments" and click on that. Then a window will open, click on the top "choose file" and navigate to your photos and add the one you wish, repeat the last step to add additional photos, then when done, click on "upload" in the window and allow them to upload. When they are uploaded, click on "save changes" and your post will be updated.
 
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