Just installed mechanical fuel pumps on 500 efis
#1
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From: Punta Gorda
I have the first gen. 500 efis with only the electric high pres. Pump on the cool fuel. And it has vapor locked a few times so I installed the next gen raw water pump with a mechanical fuel pump. All of my other boats have had both pumps and never vapor locked . So we will see its hot as hell!!!!!
#2
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Joined: Jul 2015
Posts: 1,201
Likes: 89
From: Atlantic Southeast
I have the first gen. 500 efis with only the electric high pres. Pump on the cool fuel. And it has vapor locked a few times so I installed the next gen raw water pump with a mechanical fuel pump. All of my other boats have had both pumps and never vapor locked . So we will see its hot as hell!!!!!
http://www.offshoreonly.com/forums/g...7-4lx-mpi.html
Last edited by Tractionless; 06-04-2016 at 03:34 PM.



