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chrisx2

  • Karma: +2/-0
BBO oil temp sensor location question....
« on: January 03, 2014, 02:09:44 PM »
Folks,

The build up on my BBO is finally coming to fruition.  Diamond custom 11.88:1 slugs, Eagle H-beam 6.735 rods, fully worked pro-comp heads, Edelbrock Victor w/ 1050 DOminator up top, and the list goes on and on.  I'm still in the midst of milling and slathering in the new stringers for this boat ('75 Glastron CV21).

My question or rather poll is, where would you place your oil temp sensor on this critter?  In the oil pan (10qt) w/ a welded in bung?  Up by the oil pressure sensor on a "T" with the pressure sensor, or tapped into the returning from the cooler (cooled) oil line feeding into the engines pressure circuit, as this is what the engine is acutally using?  I'm kinda leaninng toward the oil cooler line circuit.........what do you folks think?
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Jet Boat Maloney

  • Karma: +9/-0
Re: BBO oil temp sensor location question....
« Reply #1 on: January 03, 2014, 04:25:02 PM »
I would say the pan is the most accurate temp reading.


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chrisx2

  • Karma: +2/-0
Re: BBO oil temp sensor location question....
« Reply #2 on: January 03, 2014, 05:21:40 PM »
My only concern with in the pan is that it after it has pulled the heat from the engine, and is not the temp of the oil that it has pressurized in its veins, per say.
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Jet Boat Maloney

  • Karma: +9/-0
Re: BBO oil temp sensor location question....
« Reply #3 on: January 03, 2014, 10:20:09 PM »
Well the pan is wear the oil pick up is located so that's the oil that's going into the oil circuit first then to the filter and then the cooler  and back into the motor. I could be wrong but I think that's the flow.


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GT Jets

  • Karma: +192/-0
Re: BBO oil temp sensor location question....
« Reply #4 on: January 03, 2014, 10:49:29 PM »
My only concern with in the pan is that it after it has pulled the heat from the engine, and is not the temp of the oil that it has pressurized in its veins, per say.

The absolute best place to take an oil temperature is on the oil filter adapter or the pan.

The oil temperature (for the most part) is pretty homongenous and will be rather consistent throughout the system.

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  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

chrisx2

  • Karma: +2/-0
Re: BBO oil temp sensor location question....
« Reply #5 on: January 04, 2014, 05:32:42 AM »
The BBO flow path is pickup, pump, filter, cooler, engine, sump.  This is why I was considering the cooler return line, Tee'd in, just before it re-enters the engine for dispersal into the bearing and lifter galleries.
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JBASHAM

  • Karma: +1/-0
Re: BBO oil temp sensor location question....
« Reply #6 on: January 04, 2014, 11:18:22 AM »
Like GT said- once up to operating temp the whole system is relatively close within a few degrees. That being said, I would  put the sensor in the easiest accessible spot.


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  • Boat #1: 1988 19ft Sunray I/O
  • Boat #2: 1982 18ft Bahner Bubbledeck
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Chad krieger

  • Karma: +7/-0
Re: BBO oil temp sensor location question....
« Reply #7 on: January 04, 2014, 08:24:37 PM »
On the front of the block on the right  side. That's where mine is. Always reads correct.


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