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  #11  
Old 04-09-2008, 09:59 PM
TMCNo1 TMCNo1 is offline
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Quote:
Originally Posted by wakechic2786
As you know this is my first inboard. Could you describe to me what the sending unit is?

Anybody? We need a picture! Will look something like this, the wire may have even come off, Attachment 33473I'm not sure on your Chev, but a bulb like fitting simular to pic, screwed into the intake or maybe on the side of the block with a wire clipped/screwed on it.
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Last edited by TMCNo1; 05-14-2008 at 12:53 PM.
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  #12  
Old 04-09-2008, 10:04 PM
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Quote:
Originally Posted by ski_king
Sounds like the pump to me.

Hopefully somebody who knows the inside of these engins better than me can help.

Good luck!
Usually if the valves are clicking, the bomb is ticking!
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  #13  
Old 04-09-2008, 10:08 PM
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I assume you checked the oil??? Correct???

Before you pull the engine, put a mechanical oil pressure gauge on the engine (this will screw in where the sending unit is) to make sure it doesn't have oil pressure.
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  #14  
Old 04-09-2008, 10:08 PM
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looks like an excuse now to buy a brand new mastercraft
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  #15  
Old 04-09-2008, 10:23 PM
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I figure that it is the pump. I just wondered if anyone else's oil gause fluxuates while at a constant speed. Didn't know if that was normal or not. I know that it will move when you go from idle to a faster speed or from a faster speed back down to idle speed.
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Old 04-09-2008, 10:26 PM
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Yea, I checked the oil. It looks fine. Not milky and I'm not loosing oil anywhere. It is definetly NOT the gauge. If you could here this thing run you would now that the top end is not getting any oil. It might not be the pump. If that bearing spun then it is cutting off the oil flow. I'm just going to have to pull it and see.
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Old 04-09-2008, 10:26 PM
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It shouldn't fluctuate at a constant RPM. Unless there's a problem.
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Old 04-09-2008, 10:28 PM
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Quote:
Originally Posted by Hammer
It shouldn't fluctuate at a constant RPM. Unless there's a problem.
Thanks Hammer. That's the question I needed answered.
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  #19  
Old 04-09-2008, 10:35 PM
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What engine do have in it? I know my LTR with the cadillac ignition had a machined aluminum shaft where the distributor was and on the bottom was a brass gear that connected the cam to the oil pump. The teeth on the brass gear would wear out stopping the oil pump from turning.

Or the slot at the bottom of the distributor busted. There's a few more parts involved. These two are quick and easy solutions that don't require pulling the engine.

Just wishful thinking.......
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  #20  
Old 04-09-2008, 10:36 PM
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There is a way to spin the oil pump without pulling the motor through the distributor hole. I have never don it myself but a lot of hot rodders do it to keep their motors lubed to prevent dry starts. You have to remove the distributor shaft and I beleive there is a special tool to stick in and spin. May have to pull a valve cover to see if it is pumping or not though.
PS I'm NOT a mechanic and I may not be even close!
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