01 dodge fuel pressure question
July 2, 2007 - 6:58pm
I've got the 01 dodge with the bad lift pump. I've had 15k successful miles on a GC kit but now its time to do something. The fuel pressure light is on more than not. Dodge has a pump that fixes the problem but it goes inside the tank. Anyone have any luck matching this up with the GC kit? I'll obviously need another pump for the veggie. Any help greatly appreciated.
(Phil-sorry I haven't had time to come look at your truck, maybe this weekend)
thanks, adam
July 2, 2007 - 8:03pm
#2
It replaces the lift pump, which creates a need for another pump since the LP was pumping both diesel and veggie. Having a separate veggie pump seems like the way to go anyways but I just need to know what pump is best and how best to plumb and wire it. thanks
July 2, 2007 - 8:14pm
#3
Hello Adam,
Can you get the lift pump replqaced on warranty? If so, I would go for the in tank pump. Otherwise just buy a new lift pump and replace it - it's a pretty easy job.
Then get a dedicated WVO pump; I've had success with the Mallory, or you might want to get the Frybrid pump but it's expensive.
July 2, 2007 - 8:48pm
#4
Hi Phil,
I have the in tank pump and hope install it this week. Did you get your Mallory pump from JC Whitney? Are there any concerns with installing it? I would like to see a wiring and plumbing plan if possible. I can't wait to be done with this fuel pressure problem and be on a 2-pump system.
thanks, adam
July 2, 2007 - 8:59pm
#5
I got it from Summit racing; it is the larger one and prettty expensive. I mounted it on the alternator bracket and it seems fine, though the instructions suggest putting it below the tank. I also have a looped return; I assume you do also.
The pump is adjustable for pressure. I had earlier used a smaller Mallory, non adjustable pump and it didn't make adequate pressure on the highway with a full load.
I added a relay so when you switch the Greasecar valve, it also switches pumps.
July 2, 2007 - 9:20pm
#6
How does it compare price and performance wise with FASS, Walbro, or any other pumps? I haul stuff daily with this truck so I don't spending the$ I just need it to work well.
thanks again, adam
July 3, 2007 - 2:13pm
#7
My Mallory pump cost about $275, the Frybrids (made by FASS, but guaranteed for vegetable oil) go for around $450. I guess the standard FASS is a bit less.
Mine has been fine for a year; I've got a friend also using one for that long without problems. There is some discussion on the Frybrid site about the brushes going bad.
Whatever pump you use, now you can just switch back to diesel if your pump fails. In fact, if I were doing the conversion again, I would either get the Frybrid, or just get a smaller, much less expensive pump and carry a spare. Many people are using $50 or $75 pumps for veggie and they seem to be working too.
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Does it replace the pump just before the engine or simply work to push more diesel to the other pump for more fuel delivery?
A common mod for VW's is to put in a in tank pump (produced for PD cars) in there older TDI's this helps deliever much more fuel to the IP. Also is great when you change filters :) no need to pour diesel into the filter simply put the ignition in the on position and wait a few seconds for the car to fill the filter.
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01 vw jetta TDI : RC II : VR6 Clutch
Vag-Com tool at home
Veg 04-06 now mixing into the HHO
Another good veg site
http://fryertofuel.hypermart.net/store/page6.html