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Author
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Topic: Hey is this common?
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rmousir
Gearhead Posts: 1124
From: Amelia, Ohio
Registered: May 2003
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posted 09-07-2006 08:38 PM
 
Hey all,my oil pump pressure gage in the dash (stock gage) is alwasy just inside the low if regestering at all. I know there is good pressure as I have the new-er motor, new sending unit, new wiring. Just not a new motor. My other gages all seem to work just fine. I figure it may be time for a new gage but then if it is bad wouldn't my others be bad? Thanks.
Richard. ------------------
rmousir
'66 Mustang Coupe
Ford Blue & white stripes
95 roller 302, C4 Auto
Offy 360 intake & Holley 4 bl carb
grab-a-track 620s, 4.5 leafs, 1.25" drop blocks
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adragon8u
Gearhead Posts: 5867
From: Oceano, Ca. member# 2895
Registered: Mar 2003
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posted 09-07-2006 09:40 PM
I know my 66 had/has a regulater on the back that's adjustible, but will also affect the other guages as well.------------------
"Be yourself
everyone else is taken"
http://mustangsandmore.50megs.com/MembersPics/adragon8u.html
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kcode
Gearhead Posts: 3415
From: alvaton,ky,usa Suburb of Bowling Green, M&M #79, MCA #29208
Registered: Jun 99
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posted 09-07-2006 10:09 PM
Richard,
If there is a concern on pressure, a mechanical gage is cheap insurance as to what you really have. The reading on the stock gage could be from a mismatched sending unit to the voltage regulator that is mounted on the back of the gage cluster to possibly a 40 year old gage.Mike
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Scott H
Gearhead Posts: 1480
From: Chicago area
Registered: Mar 2005
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posted 09-07-2006 10:24 PM
I would suspect the gauge in the dash, since you already have good wiring and a good sending unit. And the other gauges are okay, so the instrument voltage regulator is fine. The remaining culprit is the 40 year old inaccurate factory gauge. Its more of an indication that you do indeed have pressure, rather than an indicator of how much pressure you have.
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69 Sportsroof
Gearhead Posts: 2814
From: Valley, Alabama, USA
Registered: Mar 2002
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posted 09-07-2006 10:32 PM
The cheapest way to check would be to get a new sending unit for your model year. Like Mike said, the unit and your gauge probably don't match.
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rmousir
Gearhead Posts: 1124
From: Amelia, Ohio
Registered: May 2003
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posted 09-08-2006 08:05 AM
Thanks folks.I am thinking about replacing all of the gages but I will look into at least the oil pressure one. Would like to have white faces. Richard. ------------------
rmousir
'66 Mustang Coupe
Ford Blue & white stripes
95 roller 302, C4 Auto
Offy 360 intake & Holley 4 bl carb
grab-a-track 620s, 4.5 leafs, 1.25" drop blocks
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460-67Stang
Gearhead Posts: 296
From: Idaho, USA
Registered: Feb 2001
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posted 09-15-2006 03:01 PM
You can adjust both the end point and "reaction" on the factory guages. I did both to get my fuel guage to register porperly. I think I saw somethign about this in my '67 Ford manual.Brian ------------------
"My lug nuts require more torque than your Honda makes"
472ci in a '67 Coupe, 4 wheel disc, 2 much fun
www.472ci-67mustang.com
=======>>>>> Got Displacement? <<<<<======
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