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Old Aug 14, 2001 | 05:38 PM
  #1  
1ole4d's Avatar
1ole4d
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Laughing Gas
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From: Fayetteville, NC
Gauge hook up

Can someone tell me where the oil pressure switch is on the 351M? I'm hooking up a triple gauge cluster tonight. Thanks guys!


Robert

1978 F-150 4x4 Stepside 351M

Please don't pull out in front of me! The last thing I want to do is play identify the pieces with you or your car.
 
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Old Aug 14, 2001 | 06:15 PM
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Bill_Beyer
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From: PacNW
Gauge hook up

On the back of the engine block right on top behind the intake manifold.
 
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Old Aug 14, 2001 | 06:16 PM
  #3  
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1ole4d
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Laughing Gas
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Gauge hook up

Cool...thanks Bill. =)


Robert

1978 F-150 4x4 Stepside 351M

Please don't pull out in front of me! The last thing I want to do is play identify the pieces with you or your car.
 
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Old Aug 14, 2001 | 08:16 PM
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bsprowl
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Gauge hook up

Put a tee there so you can keep your idiot light or factory gauge. On newer engines you almost have to use a tee because the computer monitors oil pressure and if the sender is disconnected you get a check engine light.

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



 
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Old Aug 16, 2001 | 10:09 AM
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Gauge hook up

You may need a real short wrench to be able to turn it in there. I've been known to saw off an old one.

1977 Ford F-100
400m/c6/4:11/Gear Vender O.D.
Crane hydralic roller, forged, ported polished,Deamon,Edlebrock, yada, yada, yada
280,000 miles
Stock on the outside
modified/rebuilt everything

 
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Old Aug 16, 2001 | 11:52 AM
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Gauge hook up

 
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Old Aug 16, 2001 | 11:56 AM
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Gauge hook up

One more note since I wrestled in removing mine last week. . . Its very tight to get in there, takes 9/16" like beartracks posted. It look like a tiny tea cup upside down, you'll see the wire lead.

Grabbing it around the outside with large pliers and turning will not loosen the threads holding it onto the block. Make sure you start the job with a short wrench (or don't bother).

Good Luck.

*1979 F150 4wd-beauty, new paint, new engine.
 
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