runnin 3or4 valves? plumbing help w/dual fuel pumps FASS

For discussing the modifications needed for diesel vehicles to run with 2 tank veggie oil conversions.

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runnin 3or4 valves? plumbing help w/dual fuel pumps FASS

Postby cblfhs » Wed Dec 08, 2010 11:51 pm

Hi there,

new to the forum. after doing some searching I can't seem to come up with a plumbing diagram of a system like mine I am planning, so I am looking for one.

96 dodge extended cab 4x4 LB auto.

100 gallon heated tank (heater on bottom of tank as well as hotfox), FASS fuel system(pump/fuelfilter/water.separator.filter are separate) for the WVO side, 3 or 4 solenoid valves, FPHE, Vegtherm mega, vocontroller.

I believe I need to loop my diesel return? so while running on WVO, My diesel fuel pump in the tank doesn't dead head. Maybe I could find the wire to that and switch it on/off when running D2/grease? don't like that idea as much though.

Thanks,
Chris
96 CTD 2500. veggie conv. in progress
(3 or 4 sol.valve, FPHE, tank heater, FASS on WVO side, vegtherm)

jeep with 6.2L diesel.. conversion both diesel and veg in progress
cblfhs
 
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Joined: Thu Dec 02, 2010 11:04 pm

Postby SunWizard » Thu Dec 09, 2010 10:38 am

Hi and welcome to the forum.

Look at mine here in the converted vehicles database. Its the best way to plumb a 94-98.5. You don't need a FASS, nothing comes close to the stock piston lift pump for strength, reliability, simplicity, long life, low price.

You don't have a pump in the tank.
YVORMV - Your veg. oil results may vary.
95 Dodge Cummins 4x4 SVO WVO conversion.
81 Mercedes 300D- stock and happy on V80/D20 blend.
Low fossil net zero house- 100% solar power and heat.
SunWizard
Site Admin
 
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Joined: Mon Dec 11, 2006 2:53 pm
Location: N. Colorado

I agree that the IP is very strong... arguably the strongest

Postby cblfhs » Fri Dec 10, 2010 12:44 am

The temp at which the viscosity of VO is = Viscosity of D2 is actually ~350F...

The heated to 180F VO is thicker than the D2, but has good lubricity.

I own a Fass system. two of them really, and I am interested in using one on the Veg side for these reasons: heated housings and easy to locate/change filters.

I know your a legend here sunwizard, very much respect, I am just not into the manual valves.

Chris
96 CTD 2500. veggie conv. in progress
(3 or 4 sol.valve, FPHE, tank heater, FASS on WVO side, vegtherm)

jeep with 6.2L diesel.. conversion both diesel and veg in progress
cblfhs
 
Posts: 2
Joined: Thu Dec 02, 2010 11:04 pm

Re: I agree that the IP is very strong... arguably the stron

Postby SunWizard » Fri Dec 10, 2010 9:25 am

I think you are confusing the lift pump and the IP, I haven't mentioned the IP.
cblfhs wrote:I own a Fass system. two of them really, and I am interested in using one on the Veg side for these reasons: heated housings and easy to locate/change filters.

With the stock lift pump there is no need for a heated housing, and you can put your filters anyplace you like for ease of changing.
I know your a legend here sunwizard, very much respect, I am just not into the manual valves.

You can use electric valves with my plumbing and it works exactly the same. The valve type has nothing to do with the lift pump.
YVORMV - Your veg. oil results may vary.
95 Dodge Cummins 4x4 SVO WVO conversion.
81 Mercedes 300D- stock and happy on V80/D20 blend.
Low fossil net zero house- 100% solar power and heat.
SunWizard
Site Admin
 
Posts: 1723
Joined: Mon Dec 11, 2006 2:53 pm
Location: N. Colorado

Postby mike_belben » Tue Dec 14, 2010 1:18 am

i think you'll need to draw a diagram of what you have currently running the truck.. stock lift pump deleted, fass pump already installed?
mike_belben
 
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Joined: Fri Feb 19, 2010 12:43 am


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