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Water pressure gauge #12648722
02/27/18 03:56 AM
02/27/18 03:56 AM
Joined: Oct 2017
Posts: 9
D
Decaturhammer Offline OP
Green Horn
Decaturhammer  Offline OP
Green Horn
D

Joined: Oct 2017
Posts: 9
What should my water pressure gauge be reading if my impeller is functioning properly? 175 Merc EFI

Re: Water pressure gauge [Re: Decaturhammer] #12648770
02/27/18 04:15 AM
02/27/18 04:15 AM
Joined: Oct 2009
Posts: 1,110
Grand Saline, Texas
C
Champion 221 Elite Online happy
Extreme Angler
Champion 221 Elite  Online Happy
Extreme Angler
C

Joined: Oct 2009
Posts: 1,110
Grand Saline, Texas
At least 5 psi at idle and close to 20-25 psi at full throttle!


Just Fishing For Fun!
Re: Water pressure gauge [Re: Decaturhammer] #12649435
02/27/18 05:29 PM
02/27/18 05:29 PM
Joined: Feb 2018
Posts: 82
T
TajChauvin Online content
Outdoorsman
TajChauvin  Online Content
Outdoorsman
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Joined: Feb 2018
Posts: 82
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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