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A better Lift Pump

chrisk1500 said:
I have a Heath HO pump on mine....my truck does not starve for fuel....ever.
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Are you running a pre-filter or just the on engine one, do you ever tow big 95% of time my Heath h/o manages the task, the oem would not, but when I'm WOT with a heavy load, my Heath h/o lift does run out of fuel, recovers fast as soon as I'm out of WOT or off grade with load fuel pressure returns to 2-3 psi, oem lift would take about 20 sec to recover pressure, if empty running and at max speed the Heath manages okay, add in grade then I see dips below 1psi to even 0.

But and this may be big difference between you & I, I have girth of a 47y/o 200+ on scales :D, the fuel filter restriction, plus 300# of wind grabbing bumper up front, now I know I'm out of fuel I have full time gauge to look at, scanner shows 80mm/3 fuel request, 2700rpm on engine, EGT 1100, and 0 psi on lift press to IP, and my EGT is not rising, boost is not rising and no smoke and I'm dragging butt to go any faster.
 
Hey DC very nice site, your wife has a good eye for good photos, I dabbled for a while with cameras, back in "olden days" of 35mm film and manual aperature and shutter speed control, my most advanced camera was an old Konica top of the line at the time, it did have some aperature control "logic" & a built in exposure meter that displayed in the view finder.

If you wanted zoom you changed lenses, that was back in early 80s, man time & technology fly by.
 
Turbine Doc said:
Are you running a pre-filter
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No. I have no need to. My bulk tank is filtered and I run the OEM filter. Fuel quality is not a concern for me as I know exactly where my fuel comes from and where it is stored.

do you ever tow big
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Are you kidding me Tim?

the fuel filter restriction, plus 300# of wind grabbing bumper up front,
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There you go...

now I know I'm out of fuel I have full time gauge to look at, scanner shows 80mm/3 fuel request, 2700rpm on engine, EGT 1100, and 0 psi on lift press to IP, and my EGT is not rising, boost is not rising and no smoke and I'm dragging butt to go any faster.
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If numbers are what you are after, next time I hook up to a heavy implement I will plug in my scanner, and hook up my fuel psi gauge.....I guess a guy's word is just not good enough these days.....*sigh*....
 
Great info guys!

I think TD and ChrisK both have valid info for different situations. This is a true case of YMMV :)

From my perspective probably Heath HO is good for normal road driving and even drag proven by ChrisK. Where if you tow heavy or manage step grades then TDs approach might be best. Also consider that the A-Team turbo setup may allow for more fuel to be spent via less exhaust back pressure to equal more efficiency in the motor..?

Good stuff!!!
 
Toss in a old style Cummins pump and be done with it :smilielol5:

Thanks to DP, btw the ip was able to take around 25 PSI pressure to the housing...... never leaked.
 
After reading the whole post I have a tear in my eye, So professional, and and well I just had a moment when I flashed back to the other world. I just know they will never be the same without all of this professionalism. :cryin: :svengo:

Ok done with that :ihih:, how much plumbing retrofit is needed for the Walpro pump? Anyone have fitting numbers and the such for the rest of us? Next question is if I change over, I will have a Heath pump that I won't need any more, anyone.

TD's numbers and his observations in my experience are extremely accurate. Now with a free flowing exhaust (A-Team turbo) you can definitely put more fuel to the engine (under sustained long hard hauling, TD proved that) than we can supply. The thought of more fuel and more HP at load makes me light headed. No more Strokes in stock form passing me buy on the hills.
 
Turbine Doc said:
No way not for me, old style Cummins has killed many a Cummins IP those aren't flow on fail pumps
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Although mine looked funky i made a bypass around the pump for flow on fail, worked fine when being boosted with the OEM pump, so yes i was running both lift pumps.
 
If anyone is interested I have a FRB-5 with under 100 miles on it for sale. It worked great, then I cracked a head and the 6.5L is coming out now for a cummins so I have no use for it.

I know this is not the for sale forum, just trying to help out anyone that needs one.
 
Canadian Rigger said:
I made a bypass around the pump for flow on fail, worked fine when being boosted with the OEM pump, so yes I was running both lift pumps.
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Did you put in any check valves so higher delivery pump didn't back flow thru the GM pump, I'm considering dual pumps also, since pressure of Walbro is same operating pressure I think I'll leave Heath h/o plumbed in as back up to the Walbro if it fails, with my Racor prefilter set up I'll tee off the 2nd outlet port of the Racor and tee also to single feed the filter mgr from both, my big delay to install thuis far was convern of blowing past the rubber outlet of the GM style pump and back flowing thru it.

I've been sort of looking for the "perfect" check valve but haven't found it yet, so it would be good to know if you are running with check on outlet of your GM pump
 
yes, had a check valve so the cummins pump wouldn't flow back. Picture somewhere on the other forum, with laughs too. OEM pump fed the cummins pump.
 
Let me say this up front, sorry for not understanding all the abreviations. Before I ask more questions could someone tell me what "WOT" and "IIRC" means? Also what does "flow on fail" mean? Lastly, how much do you want for the Walbro?
I think my lift pump is slowly going out and I'm going to need another one. I want to install a fuel pressure gauge but I'm not sure where it should be put in at. I was thinking it should go in the fuel line right before the IP.

Thanks for the answers because I;m going to have more questions on this very soon.
 
Thank you Matuva. Now for a few other questions.
Should a fuel pressure gauge go inline right before the fuel entering the IP?
What would be the maximum and minimum parameters this fuel pressure gauge should read?
Do I understand correctly that extra fuel a 6.5 doesn't use is routed back to the fuel tank? (sorry for such a newbie question, I'm still learning the diesel engine)

I was looking at putting an extra lift pump inline just before the IP. Basshopper was telling me that when towing the 6.5's can become fuel starved. I think this is also what I was reading early on in this thread. Thoughts?
 
Holyoak said:
Thank you Matuva. Now for a few other questions.
Should a fuel pressure gauge go inline right before the fuel entering the IP?
What would be the maximum and minimum parameters this fuel pressure gauge should read?
Do I understand correctly that extra fuel a 6.5 doesn't use is routed back to the fuel tank? (sorry for such a newbie question, I'm still learning the diesel engine)

I was looking at putting an extra lift pump inline just before the IP. Basshopper was telling me that when towing the 6.5's can become fuel starved. I think this is also what I was reading early on in this thread. Thoughts?
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Correct on the gauge placement, WOT >0 psi, I'm not sure of max. psi but somewhere around 10-12 psi. Some use a HO fuel pump such as Heaths, 93 yr. pumps or Walbro FRB-5. Some go dual, it's a matter of preference. Leo
 
matuva said:
With my 93 HO Airtex, I have 10~12 PSI at glow cycle, drops down around 2~3 at idle and cruising, almost 0 psi at WOT----
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Same pump I have. I was wondering about those numbers. I still get a little smoke at wot though and running about 8-9psi of boost. Seems I have enough fuel for the stock program.
 
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