My new mod
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Fleet Mechanic
Joined: Nov 2009
Posts: 1,398
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My new mod
After feeling stupid with my reponse in this thread https://www.ford-trucks.com/forums/1...-to-start.html, I was thinking and I came up with this mod. It's a vacuum manifold with gauge. I started with a fitting manifold and vacuum gauge from Graingers and then added the fittings as I progressed along. First pic is with the carb vac line to the manifold. Yep, there is suction. 2nd pic is with all vac lines, except one, hooked up and the truck running. This really cleans up the vacuum routing and also will make trouble shooting easier for vacuum leaks.
Last edited by 84espy; Dec 1, 2013 at 09:37 PM. Reason: need for correct punctuation
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Fleet Mechanic
Joined: Nov 2009
Posts: 1,398
Likes: 6
This one is worth doing. I forgot to include the last pic. It shows that the gauge is visible with the stock filter housing on.
Cargo Master
Joined: May 2009
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From: Eagle River, AK
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Fleet Owner
Joined: Dec 2009
Posts: 20,678
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From: NorCal
Cool mod. It'll be included on the next hyperlink compilation update. 
Some guys will install a vacuum gauge in the cab as a "mileage minder". Meaning, it informs ya on how much throttle is being applied to maximize MPG... the higher, the better while driving. Get on the pedal and vacuum drops like a rock along with the instantaneous MPG.
Some guys will install a vacuum gauge in the cab as a "mileage minder". Meaning, it informs ya on how much throttle is being applied to maximize MPG... the higher, the better while driving. Get on the pedal and vacuum drops like a rock along with the instantaneous MPG.
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Fleet Mechanic
Joined: Nov 2009
Posts: 1,398
Likes: 6
Not in this case. I counted how many lines came off the vacuum "tree" (the fitting at the back of the exhaust manifold) and I also traced the lines to where they go in the engine compartment. I based my manifold on how may lines I would use plus 3 extra in case I missed something. I plugged all the fittings before I started and went one by one. It is a little more time consuming, but I was able to determine if there were any leaks and which line they were on. I was also able to eliminate Ts by doing this. Just a note to any that do this: 1/4 NPT/barb fittings are easier to come by than 1/8 NPT. Also, if you have access to Graingers, buy them there. Auto parts stores charge a lot more.
Thread Starter
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Fleet Mechanic
Joined: Nov 2009
Posts: 1,398
Likes: 6
Cool mod. It'll be included on the next hyperlink compilation update.
Some guys will install a vacuum gauge in the cab as a "mileage minder". Meaning, it informs ya on how much throttle is being applied to maximize MPG... the higher, the better while driving. Get on the pedal and vacuum drops like a rock along with the instantaneous MPG.
Some guys will install a vacuum gauge in the cab as a "mileage minder". Meaning, it informs ya on how much throttle is being applied to maximize MPG... the higher, the better while driving. Get on the pedal and vacuum drops like a rock along with the instantaneous MPG.
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