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Old 05-19-2011, 03:22 PM   #1
woodyjim
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Oil gauge pegged out

Hey guys. The oil gauge on my '84 Silverado goes to 60 lbs. at idle. This is a recent problem. I'm running a 190 hp GM crate motor so I don't have a clue about the oil pump. I'm assuming stock? Could this be a sending unit prob? It is the original gauge. Thanks for any help. I'm at work and may not get to respond to any answers right away... sorry.
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Old 05-19-2011, 03:32 PM   #2
dos0711
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Re: Oil gauge pegged out

Could be a sending unit problem or the engine has a high volume oil pump. Put a real gauge on it and eliminate all doubt.
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Old 05-19-2011, 03:37 PM   #3
parrisc19844x4_468
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Re: Oil gauge pegged out

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Originally Posted by woodyjim View Post
Hey guys. The oil gauge on my '84 Silverado goes to 60 lbs. at idle. This is a recent problem. I'm running a 190 hp GM crate motor so I don't have a clue about the oil pump. I'm assuming stock? Could this be a sending unit prob? It is the original gauge. Thanks for any help. I'm at work and may not get to respond to any answers right away... sorry.
mine does the same at idle then goes to around 40 when running down the road.
I have a stock gauge with a high volume pump. The ideal thing would be to put in a 90lb gauge.

You could plug in a gauge right off then sending unit or just to check it , remove the sending unit and plug in a manually gauge. I replace mine electric gauge with a manually one, i never trusted the electric ones.
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Old 05-19-2011, 09:51 PM   #4
orbot
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Re: Oil gauge pegged out

yep electric gauge giving you trouble.
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Old 05-20-2011, 08:06 AM   #5
woodyjim
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Re: Oil gauge pegged out

Thanks for all the help guys. Where would be a good place to screw in a gauge if I wanted to get my true pressure?
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Old 05-20-2011, 08:09 AM   #6
dos0711
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Re: Oil gauge pegged out

Same place as the sending unit would be fine...
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Old 05-20-2011, 11:01 AM   #7
parrisc19844x4_468
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Re: Oil gauge pegged out

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Originally Posted by dos0711 View Post
Same place as the sending unit would be fine...
Yes, that is a good place. then you just as well run the copper under the dash and hook up a real gauge
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1984 Scottsdale K10 - 468 700r 4x4 lwb
1978 GMC Sierra Grande K15 350 Soond to be 406 th350 4x4 swb
1968 GMC 20 305 V6 good ole wood hauler.

Good Fences make good neighbors
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