Engine/Transmission (1998.5 - 2002) Lift pump relocation successful!

[lcoblentz]

Well, I finally got around to performing minor surgery on the lift pump today since it was in the 60's I used the "kit" that was installed on JRandall's truck, and Sticks' truck. It consists of 1/2 Red "Garden Hose" fuel line with barb fittings in place of the banjo bolts. Final results are: Before surgery - 14. 5 lbs at idle and 6 lbs WOT. After surgery - 15. 5 lbs at idle and 11 lbs WOT. Oo. I'm a happy guy! and it only took about 2 hours all by myself, on my back, in the driveway.



Special thanks to Mgoncalves and Sticks for the knowledge and resources to pull this off. I owe you guys a beer!



Larry

 

[Gary - K7GLD]

So did you also move the stock LP bracket, and if so what was behind it?

 

[lcoblentz]

No. Behind the stock lift pump bracket is the old mechanical lift pump mount area. The bracket prevents oil from leaking everywhere. I used a deck brace, and did some drilling and cutting to fab up a mount. I will be adding some rubber isolation pads later because the pump is quite loud resonating through the frame!



Larry

 

[Sticks]

I don't suppose you drilled out the conversion fittings did you? I picked up another PSI when I opened them up to 9/32.



2 hours huh, good job, and without a lift.

 

[lcoblentz]

Sticks,



Yes, I drilled out the fittings. I used the tapped elbow for fuel pressure gauge.



Larry

 

[jerrethomas]

Originally posted by sticks

I don't suppose you drilled out the conversion fittings did you? I picked up another PSI when I opened them up to 9/32.



2 hours huh, good job, and without a lift.

that's interesting, i heard many times on here that the bigger banjo bolts do nothing on getting more pressure at the vp44. the conversion fittings prolly aren't banjo's but nevertheless, same idea.

 

[donyo]

I've also relocated my LP and installed -6AN socketless line and fittings from the tank to the VP44. Just a SWAG, but I think my pressure increase came mostly from moving the pump closer to the fuel source. Also show about 15. 5 at idle and never below 10 at WOT since completing the project. Would go to 6 at WOT before. Still using the stock pump with about 33 K on it now.

 

[donyo]

I've also relocated my LP and installed -6AN socketless line and fittings from the tank to the VP44. Just a SWAG, but I think my pressure increase came mostly from moving the pump closer to the fuel source. Also show about 15. 5 at idle and never below 10 at WOT since completing the project. Would go to 6 at WOT before. Still using the stock pump with about 33 K on it now.

 

[Bobalos]

Sorry for coming on late on this one, but if you dont mind I have a question about this.



you are simply moving the Cummins lift pump from its stock location back to near the tank?



do you have any pictures of where you put the pump?



did you splice into the exsisting wiring harness & simply run the power cable back to the new location for the pump?



thanks

Bob

 

[CORed]

Larry... this "kit" you talk about... is it a home-made setup or something available from an online retailer?



I'm going to have to take a look at your setup. I'm only at 12-12. 5 idle in the cold and can see 5 at WOT. 2 hrs sounds great for the benefit!

 

[Bobalos]

If someone has pictures of the install I can host them on my web site, so that folks can link to it & check it out for themselves.



does the filer/water trap/fuel heater stay where it is & in use?



Bob

 

[lcoblentz]

I'm a little behind in reading this thread. Let's see if I can answer some questions.



The components used were based on a set up that Jeff Randal (sp?) installed on his truck before he left beautiful Colorado for the hills of Kentucky . The parts were obtained from Rocky Mountain Supply in Denver Colorado by Matt (Mgoncalves), and we installed the same set up on Sticks truck in January. I then installed the set up my truck in February.



Basically, here is the set up we're talking about: The stock line is disconnected from the fuel tank. A short piece of fuel line is connected to the stock fitting on the tank, and then connects to 1/2" i. d. fuel hose through fuel barbs to adapt the larger hose size. The lift pump is located on the inside of the frame rail, just in front of the fuel tank. The banjo bolts are replaced with 1/2" fuel barbs. The fuel hose connects through the lift pump, and up to the stock filter housing. Again, the banjo bolts are replaced with fuel barbs. The hose is then connected from the filter housing up to the VP44. A pigtail connector was purchased through Cummins, and I used 16 ga marine grade wire to build a harness to connect from the stock LP connector, back to the new LP location.



Sticks may be able to provide pictures. I have been trying to get a list of part #'s used, but it has been difficult to track down. Metric adapters were used to fit in place of the banjo bolts and provide a means of installing the barb fittings.



Is that clear as mud????

 

[Bobalos]

Totally thick.



Thanks

Bob

 

[PRout]

Very Cool!!



Just as a suggestion, Gordon at Practical Solutions might still sell extension harnesses for the lift pump relocation. Not sure of the cost, but maybe worth checking into.



Cant find the link to his site from my work pc right now, or would post it. I know someone's got it available if the interest is there.

 

[Sticks]

I am supposed to be doing another on a 99 3500 this weekend (weather permitting). I will take pictures as we go along. Matt (mgoncalves) should still have the parts list for everything that we bought, less the bracket for the LP (have to make your own) and the pigtail from Cummins for like $8.



With the one that I am doing this weekend, I think that we will be drilling and tapping the fuel filter and pump to the 1/4 NPT rather than the 12x1. 5mm threads that are OEM. If this is the case, I am sure the owner would be willing to sell the adapters for cost (they were not cheap!)



EDIT - the fuel filter housing stays in the oem location. All we are doing is moving the LP to the frame rail by the tank.

 

[Sixpack]

Here's the link..... Good luck!



http://www.psdieselproducts.com/

 

[rolltideram]

It looks like some of you should put all this in a kit, draw up instructions for a short and long bed, add in a modest profit and start selling. I bet this would sell better than the TAG. JC

 

[Ncostello]

Maybe you already looked but here's my relocated pump and aftermarket dual filter setup:



Neils Lift Pump Move



All the work was listed in this thread:



operation lift pump longevity



Plus my one on a simple relocate:



Saving Private Carter



Maybe it will help you... maybe not. In my photo gallery "ncostello" I have a couple other albums with some relocation type photos including banjo fittings and the tank fuel module. I gutted the fuel module of the internal filter mesh also. I let my prefilter take care of that.



I'm currently messing with a late model filter housing... just so I become more familiar and can talk better about them concerning lift pump moves. My truck used to have the 98-99 canister. I always liked the 2000 up filter better anyway even though I use neither. I know of a few people who have PM'd me and said this stuff helped them do their own unique move.



This is all my personal route. Pushers and other systems are equally valid when trying to solve the problem. Its just I can only talk about what I know. I can't comment on the others without any real experience but you'll read the all do the job.

 

[JaMan]

TTT

 

[remarc31]

Ncostello



I believe your LP system is tops. I would upgrade mine the same as you but would like to have a Racor filter before the pump and use the OEM filter housing after the pump. A drain valve after the OEM filter would allow you to flush the system to a container to be assured of no air after servicing the filters and etc.



I need to check with my dealer to make certain such a modification would not void my warranty.