1994.5 - 1997 7.3L Power Stroke Diesel  

electric fuel pump conversion

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Old 06-24-2016, 12:11 PM
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electric fuel pump conversion

how do all, I was wondering if it is possible, due to budget, to perform the electric fuel pump conversion in steps. by that I mean could I remove the mechanical pump and install the electric pump on the frame, but retain the stock filter housing and regulator? I would use high pressure hose and run from the stock pump supply line on top of the engine to the fuel bowl inlet and then use high pressure to run to a three way fitting, and a bit more hose to join the fitting to the stock lines running to the head. later as budget allow I will replace the filter assembly and regulator and then the lines to the heads.


thanks guys
 
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Old 06-24-2016, 12:39 PM
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You can't really do that because the stock pump is a two-stage pump. The first stage pumps the fuel into the fuel bowl at 6-7 psi. The fuel then returns to the pump to be pumped to 70 psi or so before it goes through the heads and to the FPR and back to the tank.

If you tried to pump fuel into the fuel bowl at 70 psi, I'm certain it would fail in short order.
 
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Old 06-24-2016, 12:42 PM
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How do the SD trucks have it set up? Different fuel filter housing completely or different FPR?
 
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Old 06-24-2016, 12:44 PM
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I think its a different fuel bowl, but i'm not sure.
 
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Old 06-24-2016, 12:45 PM
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I guess either way, he would have to buy the part which defeats the purpose of what he is trying to do.
 
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Old 06-24-2016, 12:49 PM
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A used SD fuel bowl might be really cheap though.

I do think the best advise is to save up your money and slowly collect parts for a DIY e fuel conversion. You can do it pretty cheap if you try hard. Some claim to have done it for less than $500.
 
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Old 06-24-2016, 01:13 PM
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thanks for the quick answers....


so let me ask this a different way then. my current problem is I have a California truck with the diaphragm on top of the banjo fitting. the dang diaphragm has developed a hole and is leaking quite badly. is it possible to cut the diaphragm from the top of the lines and seal the hole either by welding or maybe tap it for threads and us a brass plug. I would just replace the lines but they are running about 120 bucks plus a new shorter banjo bolt.
 
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Old 06-24-2016, 01:37 PM
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You can unthread the spaceship and get I believe an 1/8" not plug to eliminate the damper
 
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Old 06-24-2016, 01:38 PM
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Yeah, I'm not sure about that. I've never even seen a CA version truck in person.
 
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Old 06-25-2016, 10:28 PM
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I wouldn't get rid of the damper. With split shots it's need to smooth out the fuel pulse.
 
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Old 06-25-2016, 10:34 PM
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  #12  
Old 06-26-2016, 09:36 AM
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Due to needing to drive to work I did remove the damper and use a pipe plug I happened to have. Seems to be running better than ever for now. Thanks all for the quick answers.
 
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Old 06-27-2016, 03:36 PM
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Originally Posted by cowmilker08
I do think the best advise is to save up your money and slowly collect parts for a DIY e fuel conversion. You can do it pretty cheap if you try hard. Some claim to have done it for less than $500.
I believe it. I'm compiling parts now and am still under $400; just need a couple fittings and some wiring pieces from the junk yard. If I was doing the tight wad mod, I'd be just over $200.
 
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Old 07-21-2016, 04:52 PM
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happened across this today while goofing off on youtube. the first part is particularly interesting. not trying to hock the part hes talking about though it is interesting!


 
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Old 07-22-2016, 05:39 AM
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Fuga E-fuel.
 
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