Vacuum Lines- 78 - Off-Road Forums & Discussion Groups
Ford 67-96 F-Series, 78-96 Bronco All discussions of 67-96 F-Series Trucks and 78-96 Broncos

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post #1 of (permalink) Old 09-10-2008, 08:31 AM
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Vacuum Lines- 78

I'm having trouble finding a vacuum diagram for a bronco '78 with a 351
I have found some- but are awfully confusing.

it was working fine, until the spark plugs & wires where changed. they have been triple checked, firing order and gap are all corrrect.
I was told to replace some of the vacuum hoses because they were cracked. Upon inspection they seem fine. But we cant find what the problem is.

Any ideas where i can find something HELPful?

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post #2 of (permalink) Old 10-09-2008, 08:33 PM
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Question vacuum hoses

I'm rebuilding a 79 bronco and I'm having trouble understanding the vacuum hose diagram also. I've never seen so many abbreviations without explanation. Anyone know where I can find a vacuum hose diagram in laymen's terms? I've looked everywhere I can think of.
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