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#12648722 - 02/26/18 09:56 PM Water pressure gauge
Decaturhammer Offline
Green Horn

Registered: 10/13/17
Posts: 9
What should my water pressure gauge be reading if my impeller is functioning properly? 175 Merc EFI

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#12648770 - 02/26/18 10:15 PM Re: Water pressure gauge [Re: Decaturhammer]
Champion 221 Elite Online   happy
Extreme Angler

Registered: 10/12/09
Posts: 1036
Loc: Grand Saline, Texas
At least 5 psi at idle and close to 20-25 psi at full throttle!
_________________________
Just Fishing For Fun!

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#12649435 - 02/27/18 11:29 AM Re: Water pressure gauge [Re: Decaturhammer]
TajChauvin Offline
Outdoorsman

Registered: 02/27/18
Posts: 40
I’m getting 12-15 psi at half throttle and 20-22 psi at WOT. This is on a 18.5 ft Ranger with a new lower unit. Had similar readings on old lower unit.

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