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525efi water pressure port
not sure why but my boat does not have water pressure gauges and I want to add them. Can someone explain or even better send a pic of where I connect the fittings/ hose to a 525 efi. 2003 motor. Thanks for your help. |
Remove one of your block drains and install a Tee. Put plug on one side and a compression fitting (1/8 NPT to 1/16 compression) on the outer to use air brake line up to the gauge. Some have installed it in the thermostat housing and I still need to remember to move mine from the block up there for pressure comparison for tractionless
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Note: the above is for open cooling
If the motor is closed cooling, then need need a serial number to see what you have |
On 700's (Fountain Lightning), there is a t-fitting on the oil cooler, on the back of the engine. The t feeds smartcraft and mechanical gauge. It's just a brass block. I might have a pic somewhere...
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Nothing wrong with an water flow meter for an install. Some Marine oems are installing them instead of water pressure system / monitoring or both. Water pressure and or any pressure reading is a form a resistance. Sometimes it can fool one when monitoring.
Example a low water pressure reading can become a high water pressure reading when a line or orfice after the pressure reading becomes restricted. Actually I like to have both readings -- water flow and water pressure |
Thanks for all the help. It is closed cooling and s/n is OM905807. |
Originally Posted by therealmccoy
(Post 4672309)
Thanks for all the help. It is closed cooling and s/n is OM905807. https://www.boats.net/product/mercur...gaAo3eEALw_wcB Might also find it at a hardware store |
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