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Old 10-14-2010, 11:45 PM
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oil gauge gone high

new engine on a 85 el camino . removed a 4.3 tbi installed a 350 carb now the oil gauge goes high on start up it has 60 psi i also used the old sensor n wont work any ideas or help. thanks

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Old 10-15-2010, 01:18 AM
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New engine, cold oil, oil pressure going up to 60 is normal. Cold oil is thicker so the pressure reads higher. The sending units should have swapped just fine, unless your using a HEI instead of the small cap TBI ignition system which means it likely won`t clear, if this is the case you can get a adapter with a elbow to clear it. What year 350 did you use? If in any doubt get a oil pressure sending unit for a early 80`s chevy truck as they all came with gauges then you should be able to test the wire to find out which is going to the gauge then connect the wire to the new sending unit.
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Old 10-15-2010, 08:06 AM
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My 86 Monte does the same using the orginal guage and new sending unit. It is pretty accurate though. 60 cold is normal, you should see it drop when hot.
My experience is that it works better in the lower readings (fluctuates) but usually just stays locked at 60 for a while when started. In the winter I always worry it's not working but it does move eventually.
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Old 10-15-2010, 08:52 AM
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agree

I third their posts.

60psi is fine for a fresh motor and cold oil.
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Old 10-15-2010, 08:46 PM
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Are u useing the proper oil ?
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Old 10-16-2010, 12:28 AM
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i am using the correct oil n yes i am using a hei instea now the sending unit is sideways is that a problem. and thanks for all the helpfull info.
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Old 10-16-2010, 12:48 AM
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60 PSI is fine, My stock short-block with a stock oil pump reads 50 PSI on a cold start and thats with the 150,000KM on the bearings.
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Old 10-16-2010, 12:53 AM
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does it make a difference that the sending unit is sideways
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Old 10-16-2010, 01:01 AM
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Quote:
Originally Posted by weekend warrior
does it make a difference that the sending unit is sideways
No, the sender could be upside down for all it matters. Sideways is fine.
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Old 10-16-2010, 01:05 AM
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cool thanks a lot it must be that i actually havent put it in gear or the road just turn it on and let it idle
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