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Unread 03-01-2013, 09:04 AM   #1
KC87Wagoneer
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1987 FSJ Wagoneer 
 
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Ditch the Vacuum

I have an 1987 Grand Wagoneer and I am updating the Carb and Intake to Edelbrock performer and the 1406. This is the non EGR package. I hate Vacuum. My last rebuild, a CA built 66 mustang with emmisions had one vacuum line on it when I was done.

I want to know what I have to keep and what I can trash. Please keep in mind that for this beast I do not want to kill my MPG either and would rather keep more vacuum that sacrafice fuel efficiency. My GW does not have a smog pump, was not CA built but still has a ton of vacuum. I know I have competing motives here so I am looking for advice from someone who has removed their own vacuum lines to tell me what can go and what the MPG difference was.

Thank you,

003.jpg  
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Unread 03-01-2013, 09:07 AM   #2
jeepdj5
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Trash every thing accept heat vacuum, and vacuum advance! And if it has working cruse I would keep that too, I'm only using one vacuum can/battery/holder what u macallit for my heat and cruse.

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Unread 03-01-2013, 09:37 AM   #3
RockRollin
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popular topic

http://www.jeepforum.com/forum/f57/v...73/index2.html
Must be cabin fever. This should cover most of your questions.
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Unread 01-10-2014, 03:26 PM   #4
mkimball72
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Can I get a picture of a super simple vacuum setup that has zero emission control remaining. Want as close to zero vacuum lines as possible. Thanks
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Unread 01-14-2014, 01:15 PM   #5
ChrisHager
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While these pictures aren't specifically of the vacuum lines, they do show minimal amounts of 'stuff' in the engine bay. I intend to clean it up a bit more as I go. I still need to remove the hose/lines that mount to the exhaust manifolds. I'm afraid to snap off a bolt though...





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But ChrisHager makes me want to poor water on a burning bucket of gasoline now just out of curiosity.
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The latest lift kit from Rough Country? :D
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Your symptoms sounds just like what it does when it's not doing what it should because of how it is.
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Unread 01-17-2014, 01:51 PM   #6
mkimball72
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Pics didn't come thru.?
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Unread 01-17-2014, 02:00 PM   #7
ChrisHager
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Weird. I can see them here. Anyone else having an issue?
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But ChrisHager makes me want to poor water on a burning bucket of gasoline now just out of curiosity.
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The latest lift kit from Rough Country? :D
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Your symptoms sounds just like what it does when it's not doing what it should because of how it is.
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Unread 01-19-2014, 10:26 AM   #8
Dr. Marneaus
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When I put a 1987 engine in my 1973, the 87 engine was covered with a web of vacuum lines. CTO's everywhere.

I ended up using my 73 intake on it, which already had the EGR deleted, and all the smog crap was long gone. I believe the only vacuum I have no is the brake booster, the PCV, transmission modulator thing, HVAC and Advance for the dizzy.
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Unread 01-21-2014, 06:58 PM   #9
mkimball72
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where did you run the vacuum advance?
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Unread 02-01-2014, 05:41 PM   #10
mkimball72
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I assume you run it off the carb. I have the stock 2 barrel. I currently have it run off the front right port (facing the engine).? Also, I've installd warn locking hubs on my 86. Do I still need to hit the vacuum switch when engaging the 4 wheel drive? I assume not.
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Unread 02-01-2014, 07:56 PM   #11
RockRollin
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Be absolutely, positive that you lock in the hubs BEFORE you engage 4wd, or you will be learning how to swap a transfer case. If 4wd is engaged and the hubs are not locked in, all the power will be going to the front (least resistance), and it will fry the viscous coupling in the transfer case.
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