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Old 06-20-2008, 09:28 AM   #1
The Stickman
 
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Default Oil pressure sending unit location?

I want to put an oil pressure gauge in my 88 Custom Cruiser. But where in the heck is the location for the oil pressure sending unit?
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Old 06-20-2008, 09:43 AM   #2
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Assuming you have the 307, on the little firing order ledge behind the waterpump and before the intake manifold off to the drivers side.
 
Old 06-20-2008, 12:41 PM   #3
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right above the water pump..you will see a mechanical mushroom... just below the intake... remove it with the special socket or a set of channel locks. just dont snap it off in the block!
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Old 06-20-2008, 12:53 PM   #4
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All the V8 blocks 65 and newer have the sending unit just to the right of the block casting number. I can post a pic if needed.
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Old 06-20-2008, 01:14 PM   #5
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As a side note, dont use the brass or plastic tubing included with most oil pressure guages as they will either brake or burn thru, causing an oil leak that you may not catch in time. Autometer sells pre-assembled -3 braided line, in different lengths, for just this purpose. Spend a little now, save a lot later.
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Old 06-20-2008, 01:31 PM   #6
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If you decide you don't want the risk of an oil line at all, they do have electronic sending unit gauges. If figure I can come up with a T for the oil, but I'll need to figure something out for the water. This will come after I finish fixing my lean issue which is causing me to fail on NOx.
 
Old 06-20-2008, 04:23 PM   #7
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Quote:
Originally Posted by 70W-32 View Post
As a side note, dont use the brass or plastic tubing included with most oil pressure guages as they will either brake or burn thru, causing an oil leak that you may not catch in time. Autometer sells pre-assembled -3 braided line, in different lengths, for just this purpose. Spend a little now, save a lot later.
agreed however if you are in a pinch... run small gauge vacuum line over the oil line. to help with chaffing...
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Old 06-20-2008, 04:46 PM   #8
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+1 on not using the line that comes with the gauges

I had a pressure line kink and oil squirting into your dash is NOT fun. The plastic line they give you is pure junk.
 
Old 06-20-2008, 06:29 PM   #9
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+another. i had mines break and squirt oil under my hood. if i didn't have the id 10 t light i might have not caught it in time. btw the car was idling and i was reading something not looking at the guage.
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Old 06-20-2008, 10:56 PM   #10
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It was for an electic guage. Had to get a special elbow fitting to just so the sending unit would fit. It is all together for the All GM Nationals tomorrow. Not completely like I wanted it but it works.
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1979 Olds Cutlass Cruiser ChopTop delivery
1984 Olds Rocket 88 Custom(BattleCruiser)Cruiser
1988 Chevy R30 ramp truck with TBI 454.
1992 Audi wagon
1996 Subaru wagon


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