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post #1 of 13 (permalink) Old 03-17-17, 09:06 PM Thread Starter
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Intake Pieces

Ok, so poking around at the intake some more. Based on the appearance in this photo, is the bi-metal switch missing?



Also, not sure what the name of this is, but I know it should divert the intake flow to pull in air heated by the exhaust manifold while the bi-metal switch applies vacuum:



I found that it doesn't work even with vacuum applied, and doesn't seem to be leaking any vacuum. Is any of this worth replacing, supposing the parts can be located? Or am I just as well off just capping off the vacuum line and removing the ducting to pull from the manifold?


2003 Mercury Marauder
1978 Ford LTD Wagon (351M)
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post #2 of 13 (permalink) Old 03-18-17, 09:28 AM
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Re: Intake Pieces

Given my brief search at some of my favorite restoration spots, you might want to bypass them for now. If you're looking for a full restoration, you'll have to do some hunting, but you might want to consider switching to a modern assembly that breathes better.

Ever notice that there's so many high performance parts available for GM products?

Did you ever think that maybe they NEED them?
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post #3 of 13 (permalink) Old 03-18-17, 11:26 AM Thread Starter
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Re: Intake Pieces

Ok, yeah. I won't bother with it then. I'm not doing a restoration to factory, and plan to do a lot of tinkering.

Can you provide some links to some of these assemblies? Just want to get a better idea of what you're talking about.

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post #4 of 13 (permalink) Old 03-18-17, 04:31 PM
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Re: Intake Pieces

" just capping off the vacuum line and removing the ducting to pull from the manifold? "

Done that on many a car with similar set up .

Never, never, never give up.
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post #5 of 13 (permalink) Old 03-18-17, 04:35 PM
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Re: Intake Pieces

Try one of our sponsors

https://www.carid.com/ford-ltd-air-intake-parts/


or

http://www.knfilters.co.uk/?gclid=CP...FTgW0wodXf0C3w

Never, never, never give up.
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post #6 of 13 (permalink) Old 03-18-17, 05:54 PM Thread Starter
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Re: Intake Pieces

Well, CarId the one part:

https://www.carid.com/1978-ford-ltd-...175644229.html

But I'm guessing the suggestion is to just replace the while air cleaner assembly in its entirety.

2003 Mercury Marauder
1978 Ford LTD Wagon (351M)
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post #7 of 13 (permalink) Old 03-19-17, 04:22 AM
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Re: Intake Pieces

" But I'm guessing the suggestion is to just replace the while air cleaner assembly in its entirety. "

You have that option or disconnecting , your shout .The ones I disconnected had no detrimental effects on engine .

Never, never, never give up.
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post #8 of 13 (permalink) Old 03-19-17, 09:46 AM Thread Starter
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Re: Intake Pieces

Well, the plastic part that connects to the end of the cleaner assembly is already removed. It was crumbling apart, so I took it out.

This does have something that look like a fuel vapor recovery system that vents into the assembly. So not sure if that would be needed to remain or if it could connect into a replacement.

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1978 Ford LTD Wagon (351M)
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post #9 of 13 (permalink) Old 03-21-17, 04:39 PM
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Re: Intake Pieces

https://www.carid.com/1978-ford-ltd-...377202245.html

For this one, you'll need the piping and either a filter box or a cone filter:

https://www.carid.com/knn/carbureted...7&url=16984221

Just about any auto store has something.

Ever notice that there's so many high performance parts available for GM products?

Did you ever think that maybe they NEED them?
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post #10 of 13 (permalink) Old 03-21-17, 05:45 PM
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Re: Intake Pieces

Is there insulation material on the underside of your hood?
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