Vacuum line specs
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Joined: Sep 2001
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Vacuum line specs
Is there diagram of the vacuum lines for a 75 F250 Heavy Duty, with 390 motor, has 4 bbl carb, granny 4 speed. The diagram that we find are for a lighter duty vehicle, and have caused the truck to be considered modified. Although my husband has owned it for 21 years with the origanel equipment. According to information we have been given there are no specs for it. If they exist, as in origanal factory specs could someone let us know where to go.
Tuned
Joined: Jul 2001
Posts: 430
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From: Deatsville, AL
Vacuum line specs
Usually they are under the hood on the radiator cowling or on the inner fender panel. I couldn't find any in the shop manuals but there might be a separate vacuum line chart that I can't find.
Bob
'66 7 Litre, top loader, 3.25 Traction-lock, Sidewinder Intake, SCJ Exhaust
'88 F150 LWB 4x2, XLT Lariat, 302, 5 speed, 3.08
'99 Ranger, 4x2, 3.0, 5 speed, 3.73 posi
Bob
'66 7 Litre, top loader, 3.25 Traction-lock, Sidewinder Intake, SCJ Exhaust
'88 F150 LWB 4x2, XLT Lariat, 302, 5 speed, 3.08
'99 Ranger, 4x2, 3.0, 5 speed, 3.73 posi
Posting Guru
Joined: Mar 2001
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Vacuum line specs
There's a three letter (usually) code on the bottom right of the VECI label on the valve cover. It corresponds to a vacuum diagram. I've seen most of these old diagrams on the interior of the hood on the driver's side.
Thread Starter
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New User
Joined: Sep 2001
Posts: 4
Likes: 0
Vacuum line specs
There's a three letter (usually) code on the bottom right of the VECI label on the valve cover. It corresponds to a vacuum diagram. I've seen most of these old diagrams on the interior of the hood on the driver's side.
