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Author
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Topic: oil pressure sending unit question
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project66
Gearhead Posts: 246
From: Baton Rouge, LA
Registered: Jul 99
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posted 06-30-2001 04:56 PM
   
This is on a 302 out of a 68 Fairlane that is now sitting in my 66 Coupe. It has two sending units: the bell-shaped one (like I had on the original Mustang engine, and the smaller, screw in unit. Not sure, but figured he did this because he had an idiot light and also installed a gauge.Current problem: I have a newly rebuilt 302 that I've just gotten to run. I have my stock oil pressure gauge connected to the bell-shaped sending unit. When I turn the key to the first stop, the gauge needle goes all the way to high (pegged), then when I start the engine it drops to low (pegged). Don't completely trust the reading I'm getting, but don't see how the gauge could be set up wrong. Any advice or insight? Thanks again-
JimO
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cpmaverick
Gearhead Posts: 1666
From: Santa Clarita, CA
Registered: Jan 2000
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posted 06-30-2001 05:35 PM
if he installed an aftermarket gauge then the sending unit probably isn't correct for the gauge, try a new stock sending unit.
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lyle29464
Gearhead Posts: 958
From: Mt. Pleasant S.C.
Registered: Mar 2000
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posted 06-30-2001 11:36 PM
sounds like that is the off or on sending unit for a light.
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project66
Gearhead Posts: 246
From: Baton Rouge, LA
Registered: Jul 99
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posted 06-30-2001 11:41 PM
It really does, Lyle. I know the previous owner had a gauge though, and I've tried hooking the wire from the stock gauge to both senders.Tomorrow, I'll either wire the VDO gauge or go get a stock sending unit. Just not comfortable running the new engine without an eye on my oil pressure. thanks-
JimO
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