Regulated return recommendation
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Fleet Mechanic
Joined: Apr 2011
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From: Marseilles IL
Regulated return recommendation
Now that I have larger injectors I want to upgrade to a full regulated return. I have a Riffraff FRx that I will try to sell to help with the cost of a new setup. I am looking for some recommendations for a regulated return system. Are any kits better quality than others? I am looking to keep the price as low as possible. Thanks for any input.
Senior User
Joined: Feb 2013
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From: Long Island
Strictly diesel has a pretty nice kit they sell. It's like 629 but apparently comes with everything you would need to delete the bowl and do the full system.
I am curious though, are you dropping pressure due to low fuel volume at WOT?
I am curious though, are you dropping pressure due to low fuel volume at WOT?
Laughing Gas
Joined: Oct 2009
Posts: 831
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From: Vacaville, CA
X2 on the Driven diesel kit...Strictly diesel and DP tuner carry them. Irate has a decent looking hardline setup for under $500 as well. I think if you wanted to do the legwork and put in some wrench time you can DIY one for around $400.
Posting Guru
Joined: Mar 2011
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From: Florida
I did the same thing, sold the FRX on the classifieds here and went with the Strictly Diesel setup. The quality and relative ease of installation is excellent. You could probably also sell your passenger side fuel line if it's still good and maybe fuel bowl to recoup addtional $$. Also have read good feedback on the Irate kit. They have some differences like hard vs. flexible lines so consider that.
Posting Guru
Joined: Dec 2003
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From: NW Arkansas
You could just make some larger feed lines from a hydraulic shop if you wanna go cheap..
From my experience the difference between a RR and a FRx is larger feed lines and an fully adjustable regulator..
Or just build a DIY RR.. it can be done fro around $240-260 IIRC (Last time I priced all the parts)
From my experience the difference between a RR and a FRx is larger feed lines and an fully adjustable regulator..
Or just build a DIY RR.. it can be done fro around $240-260 IIRC (Last time I priced all the parts)
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Hotshot
Joined: Jan 2011
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From: Puget Sound
X2 on this. My sticks suck the fuel pretty good, but everything is staying in the green. If you're losing pressure, the OEM pump can't go past 160 cc (I did the math).
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Fleet Mechanic
Joined: Apr 2011
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From: Marseilles IL
Thanks for the input. So far I have not been able to do any wot runs yet because of our weather here. Under heavy acceleration my fuel pressure will go down to about 58 lbs from it's 62 at idol. My isspro gage is not digital so my numbers may not be perfect. I have a new Ford passenger side fuel line sitting on the shelf and I'm not sure if I should put it on or sell it and my FRx and go full regulated?
Posting Guru
Joined: Mar 2011
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From: Florida
Thanks for the input. So far I have not been able to do any wot runs yet because of our weather here. Under heavy acceleration my fuel pressure will go down to about 58 lbs from it's 62 at idol. My isspro gage is not digital so my numbers may not be perfect. I have a new Ford passenger side fuel line sitting on the shelf and I'm not sure if I should put it on or sell it and my FRx and go full regulated?
a regulated return is very nice and makes your fuel system alot more efficient....it also makes adjusting your fuel pressure easy and adds a place to put a gauge in your truck if you want to monitor as well.....its one of those mods you dont want to spend the money on but when you get it completed and drive the truck youll know it was worth every penny....i run a dieselsite cpr regulated return and bowl delete and love it....i did however switch up from running the 2 micron dahl in front of the stock pump to sticking an aridog 1 in there to lift the fuel to the stock pump....since these pumps like to push and not suck i figured the airdog would feed the pump all it could want instead of making the stock pump suck through a filter and shorten the life of the pump.....on an side note since installing the airdog and sending totally air free fuel up to the engine at cruise speed my truck is extremely wuiet now....my buddy said that if he didnt know my truck was a diesel he would have thought he was riding in a gasser....
Senior User
Joined: Jan 2011
Posts: 217
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From: Piney Flats
if u want a good reg return and not break the bank go to the powerstroke army and message a guy with the sn JAP he is from diesel innovations "DI" he will set u up with a great setup including the fuel bowl delete for less than a standard kit anywhere else just for being a member there. good luck
Elder User
Joined: Mar 2012
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In addition, the RR removes the fuel bows and makes regulating the fuel pressure a little easier, and provides a place to mount a fuel pressure gauge connection.
One makes the other obsolete. It just depends what functionality you need, and what you want under the hood.
I personally will eliminate the fuel bowl when I get the chance (and money).
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