input on reg fuel sys
Thread Starter
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still plays with trucks
Joined: Mar 2004
Posts: 1,743
Likes: 3
From: Twin Falls Idaho
input on reg fuel sys
I have DFA's CCK kit. basicly it just ties the fuel rails together and installs a metered orfice in the return line. been thinking about a"real" regulated return system. I could get DFA's upgrade kit w,adjustable regulator, or pony up for IPDs or DIs complete system. My question to all is--- will I see a vast improvement with a complete system vs DFAs system?
DFA retains the stock fuel lines everyone else replaces them.
Opinions wanted.
future wants--stage1s and bigger turbo/intercooloer
Barney
DFA retains the stock fuel lines everyone else replaces them.
Opinions wanted.
future wants--stage1s and bigger turbo/intercooloer
Barney
Elder User
Joined: May 2008
Posts: 860
Likes: 2
From: Liberty Lake, WA
I can't speak for DFA (Dino fuel Alternative), but I heard they have a nice setup..
I run the complete regulated return from Dennis @ ITP. I think it was the best think I did for my truck. It's quieter for sure.
I also did the fuel bowl delete, just because my bowl always had leaks and it sure cleans it up under the hood. Its nice to adjust fuel pressure too!
I run the complete regulated return from Dennis @ ITP. I think it was the best think I did for my truck. It's quieter for sure.
I also did the fuel bowl delete, just because my bowl always had leaks and it sure cleans it up under the hood. Its nice to adjust fuel pressure too!
Thread Starter
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still plays with trucks
Joined: Mar 2004
Posts: 1,743
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From: Twin Falls Idaho
Thanks guys,
Joe, glad to hear the DFA setup will work with the bigger sticks
Dan, I agree the Better regulated setup should have been that way from the start
Just wanted to know if the DFA would keep up the pressure on those long uphill pulls. thats what I'm looking for, max fuel pressure at close to WOT climbing a 4 mile grade.
Barney
Joe, glad to hear the DFA setup will work with the bigger sticks
Dan, I agree the Better regulated setup should have been that way from the start
Just wanted to know if the DFA would keep up the pressure on those long uphill pulls. thats what I'm looking for, max fuel pressure at close to WOT climbing a 4 mile grade.
Barney
Snowboard season cometh..
Joined: Jan 2006
Posts: 5,406
Likes: 1
From: Gulf Coast of Florida
Joe - give it a month and then you're welcome to come to CO and ride on a 6% grade for 7 miles+... I'll let you borrow my 26' trailer just for giggles, but you better check your brakes first.
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still plays with trucks
Joined: Mar 2004
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From: Twin Falls Idaho
try and pull the grade out of Skagway AK. 11% for 11 miles! now get stuck behind a tour bus that wants to stop(in the middle of the road)every mile or so, I thought my wife was going to walk up and jerk the bus driver out of the bus and show him how to drive!!!
Barney
Barney
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Post Fiend
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From: Dallas-Ft. Worth
I didn't feel comfortable upping the power that much without better stopping power to go with it...
Posting Guru
Joined: Dec 2003
Posts: 2,392
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From: NW Arkansas
I would say go with DI's RR if he's got a sale going.. I think $450 is a rip off for an RR.. You can build ur own for less with push-loks..
I'm waiting for another $350 RR sale to go on and I'm jumping all over it. I think getting more air outta the mix and upping the FP will make a huge difference
I'm waiting for another $350 RR sale to go on and I'm jumping all over it. I think getting more air outta the mix and upping the FP will make a huge difference
Posting Guru
Joined: Dec 2007
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From: SEMO
Barrney it has been a good upgrade for me.This year I am looking at a bigger turbo and sticks also.To me I have more mid-range power.
I have yet to tow with it,but I can feel and hear the diff.The kid at DQ doesn't ask me to shut my truck off at the drive thru when I oredr anymore,lol.
If you do a DIY kit let me know and I'll help as much as I can.
I have yet to tow with it,but I can feel and hear the diff.The kid at DQ doesn't ask me to shut my truck off at the drive thru when I oredr anymore,lol.
If you do a DIY kit let me know and I'll help as much as I can.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
Thanks guys,
Joe, glad to hear the DFA setup will work with the bigger sticks
Dan, I agree the Better regulated setup should have been that way from the start
Just wanted to know if the DFA would keep up the pressure on those long uphill pulls. thats what I'm looking for, max fuel pressure at close to WOT climbing a 4 mile grade.
Barney
Joe, glad to hear the DFA setup will work with the bigger sticks
Dan, I agree the Better regulated setup should have been that way from the start
Just wanted to know if the DFA would keep up the pressure on those long uphill pulls. thats what I'm looking for, max fuel pressure at close to WOT climbing a 4 mile grade.
Barney
What you want to make sure of to keep up fuel pressure at WOT is make sure the fuel volume being supplied to the engine is adequite.
That means no clogged fuel pickups or fuel screens inside the intake of the pump, etc.
The best DFA in the world won't do you a bit of good if the fuel pump is supplying 30 gph at WOT but your engine needs 31.
Fuel pressure will drop off, no matter what system is installed on the engine.
Remember the old Holley double pumper? Twin fuel bowls with twin fuel supply lines.
There was a reason for that.
A built V8 would suck down the gas faster than it could be supplied via just one float valve and it would lean out at WOT.
Same principle with our diesels.
Fuel volume.
Thread Starter
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still plays with trucks
Joined: Mar 2004
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From: Twin Falls Idaho
Dan, agreed Volume is key. I need to check the screen in the pump inlet. thought I might also pull the little check valves in the lines at the heads and clean those screens too. its just been to blessed COLD here to feel like doing much outside.
Barney
Barney
Post Fiend
Joined: Jun 2006
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From: White Mnt's,New Hampshire
All of the check valves and restrictors are removed with a RR kit. This will allow you to run your fuel pressure up to 65-75 psi, compared to the stock 53 psi. it also replaces the 1/4 inch feed lines to 3/8...the regulator in the DI or the ITP kit has a boost refrence port..when set up right it will raise fuel PSI with boost PSI...
Post Fiend
Joined: Feb 2007
Posts: 14,541
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From: Dallas-Ft. Worth
I had Jason at DFA send me replacement adapters to get rid of the orifice ones. I don't think you need to truthfully worry about the lines until you get to 500+. IIRC, somebody was making 550 on the STOCK fuel system. Just my $0.02.......
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