LT1-LT4 Modifications 1993-97 Gen II Small Block V8

What could this be???

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Old May 25, 2008 | 03:23 AM
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JeaneGrae's Avatar
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Default What could this be???

My brother has a 1994 Z28 with about 148,XXX miles on it. Has run fine until tonight. We lined up to race and when he shifted into first the power cut, and then surged forward and picked up from 2nd on thru. Then hisoil pressure dropped to the 1st white line and his check guage light cam on and stayed on.
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Old May 25, 2008 | 09:40 AM
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caldercay's Avatar
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Originally Posted by JeaneGrae
My brother has a 1994 Z28 with about 148,XXX miles on it. Has run fine until tonight. We lined up to race and when he shifted into first the power cut, and then surged forward and picked up from 2nd on thru. Then hisoil pressure dropped to the 1st white line and his check guage light cam on and stayed on.
It's quite possible the oil-pressure sending unit is bad, which is located on the
backside of the intake manifold, about in the center. Y'all should see if a code
has been set.

http://www.shbox.com/1/oil_pressure_sensor.jpg

You say your brother has a '94, so pay special attention to the note on
that photo, concerning the location of the sensor on early '94's.
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