fuel pressure for 150 johnson

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superman87

Recruit
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Aug 9, 2008
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5
i have a 150 horse johnson v-6. am putting an inline fuel pump and need to know the min fuel pressure and flow i should use.
 
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Dhadley

Supreme Mariner
Joined
Feb 4, 2001
Messages
16,978
Re: fuel pressure for 150 johnson

What year 150? What is it you're trying to accomplish?
 
kenmyfam

kenmyfam

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Aug 10, 2006
Messages
14,385
Re: fuel pressure for 150 johnson

superman87 said:
i have a 150 horse johnson v-6. am putting an inline fuel pump and need to know the min fuel pressure and flow i should use.
Click to expand...

Why not replace with what should be there if a change is necessary ???
 
S

superman87

Recruit
Joined
Aug 9, 2008
Messages
5
Re: fuel pressure for 150 johnson

it is a 1989 Johnson 150 GT. the fuel pump and oil pump which was one unit was completely removed by the previous owner. I'm assuming, the oil pump went out, for i have heard that they have had many problems with that. to replace it it is very expensive unless some one knows otherwise. I'm going to be mixing my fuel and want to put an inline fuel pump in for now.

thanks.

PS. if I'm wrong about anything, let me know. i haven't been working on boats very long.
 
J

jonesg

Admiral
Joined
Feb 22, 2008
Messages
7,174
Re: fuel pressure for 150 johnson

I think sierra sells a fuel only pump which bolts in the same location on the engine as the old vro pump. iTS cheaper than the factory pump.
They probably carry it here on iBoats.
 
E

ezeke

Supreme Mariner
Joined
Sep 19, 2003
Messages
12,532
Re: fuel pressure for 150 johnson

You will need to use two conventional lift pumps to avoid the risk of running lean. You can see various setups on older 150 motors such as the 1983 models .
 
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