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Author
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Topic: Oil Pressure Sending Units
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TOPDowNMUSTANG
Gearhead Posts: 281
From: Kennett Square, PA
Registered: Oct 2005
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posted 09-05-2006 11:28 AM
 
What is the difference between the oil pressure sending units of 79-89 5.0 Mustangs and 90-93 5.0's with a pressure gauge?I found this site which shows different units: http://johnsmustang.com/Catalog/2896/ ------------------
'73 Convertible, 351C 2V
'91 LX Convertible 5.0
Member: Valley Forge Mustang Club
"The best things in life are free, but the really kick-a** things cost a fortune."
My Site
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honeyburst
Gearhead Posts: 846
From: Nashville, TN, USA
Registered: Mar 2006
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posted 09-05-2006 02:36 PM
E4ZZ 9278-A (SW-1547-B)fits 1980-1988....EVERYTHING with a 5.0 in itpart number E9ZZ-9278-A (SW-2211) changes to part number F3ZZ-9278-A (SW-2433).....which fits 89-93 Mustang 5.0 and 3/4 and 1 ton VANS (E-250/350) 5.0 only E9SZ-9278-A (SW-2220) fits 1994-97 3.8, 5.0 and non-cobra 4.6 [This message has been edited by honeyburst (edited 09-05-2006).]
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capri man
Gearhead Posts: 8777
From: doerun, ga.
Registered: Nov 2000
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posted 09-05-2006 03:08 PM
i could not have said it any better myself honey!!!  ------------------
mike r
racing is real
everything else is just a game.
81 capri-302-7.25 @93mph 1/8
1.54 60ft 50 % of the fun dragracing is meeting people who will give you the shirt off their back to wipe the grease off your hands.
M&M member #839 http://i2.photobucket.com/albums/y6/mike470/adel2.jpg
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TOPDowNMUSTANG
Gearhead Posts: 281
From: Kennett Square, PA
Registered: Oct 2005
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posted 09-05-2006 03:32 PM
Mine has the old style sender (E4ZZ) in it with the extension tube. Should I replace it with the old style or replace it with the newer one (F3ZZ)?------------------
'73 Convertible, 351C 2V
'91 LX Convertible 5.0
Member: Valley Forge Mustang Club
"The best things in life are free, but the really kick-a** things cost a fortune."
My Site
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honeyburst
Gearhead Posts: 846
From: Nashville, TN, USA
Registered: Mar 2006
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posted 09-05-2006 04:28 PM
E4ZZ does not change to the newer part number......so I can only assume that whoever put in that sender put in the wrong one.......grab a F3ZZ and throw it in.......the other will probably work, but will be "off"...... I had a 1970 temp sender in my 69 and it read on the hot side of normal....put in the correct one and it put the needle in the middle
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honeyburst
Gearhead Posts: 846
From: Nashville, TN, USA
Registered: Mar 2006
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posted 09-05-2006 04:32 PM
another note:per the Ford computer here at work: "NOTE: On early models the wiring harness from the oil pressure switch included a diode identified as 7321-9310 and a resistor. When one or both of these components shows signs of failure
cut out both components and reconnect the black wire with waterproof 14-16 gauge butt connector." don't know if this does anything for you, but it's interesting
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TOPDowNMUSTANG
Gearhead Posts: 281
From: Kennett Square, PA
Registered: Oct 2005
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posted 09-06-2006 08:27 AM
That is interesting, Honeyburst. What do they consider early models?All the people I've talked to who have 5.0 Fox bodies say they have the old style sender with the extension tube. I'm going to try replacing what I have and see how it works. ------------------
'73 Convertible, 351C 2V
'91 LX Convertible 5.0
Member: Valley Forge Mustang Club
"The best things in life are free, but the really kick-a** things cost a fortune."
My Site
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honeyburst
Gearhead Posts: 846
From: Nashville, TN, USA
Registered: Mar 2006
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posted 09-06-2006 11:25 AM
don't know.......I've never owned a fox body, so I've never seen the harness on one......anybody got one to look at ???
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