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Water pressure gauge #12648722 02/27/18 03:56 AM
Joined: Oct 2017
Posts: 11
D
Decaturhammer Offline OP
Green Horn
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Green Horn
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Joined: Oct 2017
Posts: 11
What should my water pressure gauge be reading if my impeller is functioning properly? 175 Merc EFI

Moritz Chevrolet - 9101 Camp Bowie W Blvd, Fort Worth, TX - Monte Coon (817) 696-2003
Re: Water pressure gauge [Re: Decaturhammer] #12648770 02/27/18 04:15 AM
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Champion 221 Elite Offline
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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
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Posts: 466
TajChauvin Online Content
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Joined: Feb 2018
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Im 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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