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  • February 26, 2024, 12:34:17 PM

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Author Topic: 258 vacuum diagrams  (Read 2557 times)

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Offline Murdoc1905

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258 vacuum diagrams
« on: June 16, 2019, 07:04:53 PM »
I shared these on the Facebook group but here are my vacuum diagrams based on my 84 non-cali 258 sedan. I have made one for emissions, non-emissions, and non-feedback controlled. One optional change that can be made is hooking the distributor directly to a manifold vacuum. #18 manifold vacuum port has one open that could be used.

Emissions diagram
https://www.dropbox.com/s/lilqt96mb2rehzy/Carb%20Diagram%204.0.png?dl=0
Non-emissions
https://www.dropbox.com/s/k04w992jqlxrzyy/No%20Emissions%20Vacuum%20Diagram.png?dl=0
Non-feedback
https://www.dropbox.com/s/enwa0mslbnzdphp/No%20Emissions%20No%20Feedback%20Vacuum%20Diagram.png?dl=0

Offline djm3452004

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Re: 258 vacuum diagrams
« Reply #1 on: June 17, 2019, 10:22:40 AM »
This is excellent, thank you!

Next, I need to find similar diagrams for the vacuum motors for the transfer case and front axle.  :)


David
Current Project: 1983 Eagle Wagon 258
Past AMC Project(s):  1979 Spirit Liftback 232
                                1968 Ambassador 287

Offline Mitch

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Re: 258 vacuum diagrams
« Reply #2 on: June 17, 2019, 10:50:04 AM »

Offline djm3452004

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Re: 258 vacuum diagrams
« Reply #3 on: June 17, 2019, 10:54:35 AM »
Perfect, thank you, Mitch.

David
Current Project: 1983 Eagle Wagon 258
Past AMC Project(s):  1979 Spirit Liftback 232
                                1968 Ambassador 287

Offline Murdoc1905

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  • Posts: 129
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Re: 258 vacuum diagrams
« Reply #4 on: June 17, 2019, 11:42:43 AM »
Initially I was planning on making an all-encompassing vacuum diagram but the simple fact that this is my first eagle, and it is in good working order I decided against tearing the dashboard and transfer case vacuum systems apart to see how they worked. Maybe someday I'll add to the diagram but for now I'm at least happy I could finally provide something for people who need to know how much and what size vacuum tubes to purchase. I haven't done it yet but I'm hoping someone will add together all the lengths and post exactly how much of each type of tube is required to do a complete re-tubing. I know it was annoying to not have that information and having to buy way more vacuum tube than I really needed for fear of not having enough.

 

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