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  • Hemikiller changed the title to 73 351C Vacuum Diagram

73 vacuum diagrams go by the engine calibration code on the front of the PS valve cover. The diagrams are in Volume 6 of the 1973 Ford service manual set. 








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3 hours ago, Animal Lawyer said:

I am starting to go through my new 73 vert and try to get everything in order. Does anyone have a good vacuum line diagram for a '73 Q code?

Oh my gosh... I've l-o-n-g pursued a diagram to match my '73 Q-code 'vert w/automatic and a/c and have yet to find one that the diagram configuration matches what's already on the engine, so I created my own mashup of what I see in the manual and what I see under the hood.

But yes:  it's not just Q-code; automatic & a/c also change the configuration.  Good luck!

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