ITP regulated return fuel lines hardening - Diesel Forum - TheDieselStop.com
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post #1 of 8 (permalink) Old 01-24-2013, 08:51 PM Thread Starter
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ITP regulated return fuel lines hardening

Anyone have an issue with hardening fuel lines and consequent leaks of your ITP regulated return fuel system?

I've got an early kit(one of the first kits sold probably). It's a great kit and has run great for several years now.

Unfortunately, one of my bowl to head fuel lines started oozing at the ends. When I tried cutting it back and reseating the fittings, the interior of the fuel line is hard and crumbling. I may pull all the lines now and check the rubber(fearing the worst). That debris can flow right into the injectors, the $2k+ injectors.


Thanks in advance for any comments

2000 F250,4X4,AFE2 w/PG7,F.A.S.S.,H2e,Spearco 6.0 CAC,Hybrids,Head Studs,FTVB,BD t/c,Fluidampr.

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post #2 of 8 (permalink) Old 01-24-2013, 09:11 PM
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If their doing that you'd better replace them pronto. Everything wears out eventually...some things faster than others...just no way around it.

Early 99 F350 4X4 CC 7.3 Auto. A.R.E. Topper, bed carpet/bench inserts, Rhino grill guard, AIS w/sleeve, Fuel filler mod, GOS headlight harness, 02-04 Headlights, Rancho HD stabilizer, 06 Telescoping/heated mirrors with C-Btr Mirrors, Hella FF1000, Htr Bypass valve, front receiver hitch, Quadzilla XZT gauges, ITP Pre-pump/In-tank mods, Pioneer P5000UB w/XM radio, 4 Infinity Kappa 682.7cf, Fumoto valve, FIAMM Highway blaster horns, SS HPX, IDM mod, DP F5 (Stock,Drive-thru,60T,80E,120,80E-Mountain,1200), Walker BTM, RR, Dieselsite BRV, BTS Tranny (2nd one :-), 31 row tranny cooler, Bilstein shocks, Amsoil bypass oil filter, Stancor HD Glow Plug Relay, billet thermostat housing, front & rear parking cameras, Aux reverse lights, Heated Seats.

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post #3 of 8 (permalink) Old 01-24-2013, 09:14 PM
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Thats not good. I just got the newer strictly diesel kit last summer but it has ss wrapped lines. I have however had the pre-pump kit for 5 yrs and did not notice any problems. That has now been upgraded with the new regulated retuurn kit though. I had the pre-pump kit when they were still ITP.

I hope the best for you, that would really suck to get some of that debris in your system.

03 F350 7.3L Auto CC LB Dually 410's (LS Rear)

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post #4 of 8 (permalink) Old 01-24-2013, 09:26 PM
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I have an early ITP regulated return kit also, and had one line start leaking at a fitting. It wasn't hardened, however, and I replaced just that one line when it happened. I do plan on replacing all the lines sometime this summer, or maybe I'll do that soon as the truck is currently down for a tranny problem.

Like losfinch said, everything wears out eventually. Definitely replace them ASAP if they're breaking down on the inside.

First truck -- 1929 Model A Ford pickup, restored from ground up. Wish I still had it!
'99.5 F250 PSD Supercab LB 4x4, ZF-6 w/SB Con OFE, 3.73LS, Boost & pyro gauges, Swamps S175/146 injectors, DP 80 HP Econo PCM (classic version
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post #5 of 8 (permalink) Old 01-26-2013, 10:44 AM Thread Starter
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Any idea where to get more of that fuel line? It's 1/4", diesel, and 300psi rated. Nothing like that around here.

2000 F250,4X4,AFE2 w/PG7,F.A.S.S.,H2e,Spearco 6.0 CAC,Hybrids,Head Studs,FTVB,BD t/c,Fluidampr.

455hp/833tq, Fall Brawl 2007

Sailor for a time, a Patriot forever!
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post #6 of 8 (permalink) Old 01-26-2013, 12:33 PM
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Most likely at the parker store if you have one. Not sure where you would go online.
are you sure its only 1/4"?

can you send a pic of one of the lines? I have some fuel line that never got used from my regulated return kit. Its the latest fuel line they are using, but I think its 3/8"

I will also post a pic of the line I have so you can see.


03 F350 7.3L Auto CC LB Dually 410's (LS Rear)

PHP/Beans, 1023, SDK, GH tuned/250/100 FF inj's, Irate T4 w/369SXE, Swamps HVHF IDM, BTS Tranny, Strictly Diesel complete fuel system with RR & FB delete.
Autometer Nexus Guages, 4"MBRP, DieselSite Coolant filtration system/billet housing/HP X-Over line. Donaldson Blue(6637)/AFE BHAF, RR Boots/ Billet Plenums, ('06) 26 row Tranny & PS Cooler, LarryB's Genuine Denso Starter

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post #7 of 8 (permalink) Old 01-26-2013, 12:45 PM
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Quote:
Originally Posted by OptimusStroke View Post
Any idea where to get more of that fuel line? It's 1/4", diesel, and 300psi rated. Nothing like that around here.
Where are you looking? We have a place called Alaska Rubber Supply that carries all sorts of hoses and will make up whatever kind of hose you need, including hydraulic lines. That's where I got mine replaced. Just toss them the old one and they come back with a matching new hose. Pretty reasonable prices.
We also have a Parker store in town, but Anchorage is the biggest city up here (half the population in Alaska lives in town or nearby.)

Surely with the Naval Air Station, there would be hydraulic shops nearby supporting them. Let your fingers do the walking. http://www.yellowpagecity.com/US/MD/...ipment+Repair/

Online you might try McMaster Carr. They have nearly everything hardware related.

I think you're right about the hose being 1/4".

First truck -- 1929 Model A Ford pickup, restored from ground up. Wish I still had it!
'99.5 F250 PSD Supercab LB 4x4, ZF-6 w/SB Con OFE, 3.73LS, Boost & pyro gauges, Swamps S175/146 injectors, DP 80 HP Econo PCM (classic version
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post #8 of 8 (permalink) Old 05-09-2013, 05:55 AM
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Question Looking for Dennis S to chime in on line degradation/improvements?

Dennis S,

Can you comment on the new black coated lines and degradation eta?

Is there a life expectancy on the regulated return lines based at thermal exposure and fuel affects?

Please let us know what to expect with todays 6.0l kits re longevity?

Thanks,
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