View Poll Results: HPOP Lines
OEM
2
13.33%
RiffRaff's updated with JIC connections
10
66.67%
CNC Mfg braided SSTL with I assume JIC connections
3
20.00%
Voters: 15. You may not vote on this poll
HPOP line choice
Thread Starter
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Lead Driver
Joined: Jun 2013
Posts: 5,649
Likes: 894
From: north of Minneapolis, MN
HPOP line choice
I have some maintenance on the truck coming up due to an oil leak. The engine has 352k on it and still retains the original HPOP lines, I know there are few choices out there, I am leaning towards the OEM lines just the fact that the service life has been outstanding.
Choices:
OEM
Riff Raff's updated JIC connection
CNC braided SSTL with I assume JIC connections
Choices:
OEM
Riff Raff's updated JIC connection
CNC braided SSTL with I assume JIC connections
Lead Driver
Joined: Jul 2017
Posts: 6,866
Likes: 2,338
From: WV
Dan I haven’t used the JIC lines yet but had a nightmare of a time getting some of the quick connects loose on my dads old truck. A couple of the springs jammed inside the fittings. I have since learned we could have just removed the entire fitting with line and worked on it on the bench. First issue though was that I installed the new hose and didn’t realize the spring had fell apart. The new hose kept blowing off when trying to start it up. Oh what a mess.
What started out as a simple line replacement on the side of the road ended up requiring the fittings to be rebuilt. The hose was a next day item at the parts store. Then we found out the fittings needed parts so dieselorings hooked us up but took a few days shipping. Any hydraulic hose maker could whip up a “get you home” JIC hose while you wait...
This is why I lean towards JIC and plan to replace mine with those “someday” or at least have them in my emergency box.
What started out as a simple line replacement on the side of the road ended up requiring the fittings to be rebuilt. The hose was a next day item at the parts store. Then we found out the fittings needed parts so dieselorings hooked us up but took a few days shipping. Any hydraulic hose maker could whip up a “get you home” JIC hose while you wait...
This is why I lean towards JIC and plan to replace mine with those “someday” or at least have them in my emergency box.
FTE Leadership Emeritus
Joined: May 2014
Posts: 27,359
Likes: 5,960
From: Lake Hartwell, GA
I bought OEM (upgraded from original) with new fittings for the HPOP and heads several years ago. Riffraff did not have the JIC kit out at that time, or I may have gone that route.
The OEM fittings and lines fit like, well OEM.
I have been a customer of CNC Fab many times in the past, but unless I can help it, I absolutely refuse to install bare steel braided lines anywhere on my vehicles. They work fine for toilet tank supply or sink supply lines, but I do not want them anywhere near an engine or vibrating vehicle. I won't even install them in an RV as if they contact something, they act like a saw.
The coated braided lines, I have no problem with and that is just my opinion.
Good luck in making your choice Dan, each of them has benefits and downfalls when looking from different perspectives.
The OEM fittings and lines fit like, well OEM.
I have been a customer of CNC Fab many times in the past, but unless I can help it, I absolutely refuse to install bare steel braided lines anywhere on my vehicles. They work fine for toilet tank supply or sink supply lines, but I do not want them anywhere near an engine or vibrating vehicle. I won't even install them in an RV as if they contact something, they act like a saw.
The coated braided lines, I have no problem with and that is just my opinion.
Good luck in making your choice Dan, each of them has benefits and downfalls when looking from different perspectives.
Cargo Master
Joined: May 2010
Posts: 3,047
Likes: 10
From: Snohomish, WA
Dan,
I have installed many sets of HPOP lines on various different trucks. The OEM QD lines are solid and perform well. I have also installed the Riffraff Diesel JIC lines on my own truck and I can say they work perfectly. It takes a few more minutes to swap out the fittings, but you should really swap the STC fittings out as well when you swap lines. JIC or flared connections do not rely on internal seals to seal. They are self aligning (within reason) and are typical in aviation hydraulic and oil systems. They work tremendously well and do not require and special tools to disassemble.
The Riffraff set is well made and I can guarantee they fit perfectly. I HAve not tried other brands, but I know Riffraff puts in the R&D time and makes all of their products with the consumer and longevity in mind.
I have installed many sets of HPOP lines on various different trucks. The OEM QD lines are solid and perform well. I have also installed the Riffraff Diesel JIC lines on my own truck and I can say they work perfectly. It takes a few more minutes to swap out the fittings, but you should really swap the STC fittings out as well when you swap lines. JIC or flared connections do not rely on internal seals to seal. They are self aligning (within reason) and are typical in aviation hydraulic and oil systems. They work tremendously well and do not require and special tools to disassemble.
The Riffraff set is well made and I can guarantee they fit perfectly. I HAve not tried other brands, but I know Riffraff puts in the R&D time and makes all of their products with the consumer and longevity in mind.
Thread Starter
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Lead Driver
Joined: Jun 2013
Posts: 5,649
Likes: 894
From: north of Minneapolis, MN
Ken,
I had plans on rebuilding the STC fittings as well....so, they would have to come out anyway. I might lean to the RiffRaff JIC now, after you price it all up.
I had plans on rebuilding the STC fittings as well....so, they would have to come out anyway. I might lean to the RiffRaff JIC now, after you price it all up.
Cargo Master
Joined: Mar 2019
Posts: 2,907
Likes: 788
From: Kinnula,Finland
Can't help with your decision but i have 514K OEM HPOP lines and driver side has been weeping as long as i have owned the Van - 44K miles..
But i have no problem to hold ICP 3200 psi..
But i have no problem to hold ICP 3200 psi..
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Lead Driver
Joined: Jun 2013
Posts: 5,649
Likes: 894
From: north of Minneapolis, MN
The last thing I need is to broken down on the side of the road with 3 horses, 4 dogs and an upset wife.
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Hotshot
Joined: Nov 2006
Posts: 11,288
Likes: 269
From: North of Greenville
The "poor man's regulated return" I installed some 12 years ago has the fuel lines partially in the way for replacing any style of HPOP lines on the pump end. That said, I installed the lines from Clay last year to get away from the quick disconnects, and they are a perfect (if not tight) fit. Ultimately, I want to re-route my fuel lines to be more out of the way, but at the moment, am leaving well enough alone.
Laughing Gas
Joined: Jan 2017
Posts: 1,223
Likes: 94
I went with the JIC conversion Should have used Loctite I forgot which exact one it calls for. Only issue I had was one of the fittings backed out a slight amount on the H pop. Had not purchased my Crowfoot wrench set at the time so I didn’t use a torque wrench Chances are under tightened it trying to be cautious. Cost me less than 100 hoses are rated for 8 k working pressure would have gotten the 16k but they were out of stock. If you’re going to have your own made make sure to tell the people to use the top of the line hose no point trying to save when we’re talking 2 feet. First time around they tried to save me money then I found out I was operating well above specification for the hose....
I get that swapped Out Finnish one of my H-pop lines blew on the highway BIG mess, engine shutdown, possible fire and even worse where you live in the cold.
I get that swapped Out Finnish one of my H-pop lines blew on the highway BIG mess, engine shutdown, possible fire and even worse where you live in the cold.
Lead Driver
Joined: Jul 2017
Posts: 6,866
Likes: 2,338
From: WV
We thought it was just the hose so I left the truck sit and ordered one to install the next day. The old one came out easy enough but putting on the new one although it felt seated it would pop out when firing up the truck. That’s when I realized the spring had disappeared. Seems this is somewhat common on the old trucks once the fitting is released.
We decided to do both hoses at that point and getting the passenger side out proved to be a huge pain in the rear.
Cargo Master
Joined: Mar 2019
Posts: 2,907
Likes: 788
From: Kinnula,Finland
Mine is weeping from the quick connection.
What can i say,i like to live dangerously.
HPOP line swap is scheduled to my intake Y boot upgrade / up pipe improvement / adding water methanol injection..
What can i say,i like to live dangerously.
HPOP line swap is scheduled to my intake Y boot upgrade / up pipe improvement / adding water methanol injection..
Fleet Mechanic
Joined: Oct 2008
Posts: 1,321
Likes: 250
From: North Texas
I went CNC for my Ex. RR's coated JIC ones were out of stock when I decided to tackle the job and after waiting a few weeks to see if RR would replenish stock, I opted for CNC. I think RR got them back in stock 1-2wks after I did the job. LOL! Just my luck. CNC makes a good product at an affordable price point though and with the reputation behind their HPOPs and lines, I have no regrets or concerns. The coating on the braided lines was my only justification of wanting RR's lines first.
Lead Driver
Joined: Jul 2017
Posts: 6,866
Likes: 2,338
From: WV
Dan, I hate to recant part or my previous statement but I am having second thoughts...or at least deeper thoughts about the decision (for me).
First of all, did you decide on anything?
If yes, gotten them on and opinion?
After dad’s I said I would never replace with OEM again but here’s my new thought.
Pros of OEM, I can easily carry the small disconnect tool in the truck. Quick pop off of the hose and snap it back in for replacement. No “real” tools needed.
If going this route I would want to get new hoses to be able to carry spares because parts stores likely wouldn’t have in stock. Would also want to buy a couple new fittings to keep on hand. And maybe rebuild the ones on the truck so the 20 year old fittings are fresh.
Pros of the JIC, HPOP check valves are removed for the supposed benefit of smoother/quieter running due to equalized left/right bank pressure like a cross over hose. Hydraulic shop could make up a hose in a pinch.
Con of the JIC, would require a couple wrenches working in tight quarters. Would have to get both of them in there so the HPOP fitting wouldn’t be overtorqued when tightening the JIC hose.
Thoughts?
@SkySkiJason you have tons of experience here. What’s your opinion?
First of all, did you decide on anything?
If yes, gotten them on and opinion?
After dad’s I said I would never replace with OEM again but here’s my new thought.
Pros of OEM, I can easily carry the small disconnect tool in the truck. Quick pop off of the hose and snap it back in for replacement. No “real” tools needed.
If going this route I would want to get new hoses to be able to carry spares because parts stores likely wouldn’t have in stock. Would also want to buy a couple new fittings to keep on hand. And maybe rebuild the ones on the truck so the 20 year old fittings are fresh.
Pros of the JIC, HPOP check valves are removed for the supposed benefit of smoother/quieter running due to equalized left/right bank pressure like a cross over hose. Hydraulic shop could make up a hose in a pinch.
Con of the JIC, would require a couple wrenches working in tight quarters. Would have to get both of them in there so the HPOP fitting wouldn’t be overtorqued when tightening the JIC hose.
Thoughts?
@SkySkiJason you have tons of experience here. What’s your opinion?