I am trying to decide what is next. I am interested in ITP'S Regulated Return Fuel system and a D.I.Y. big oil kit, I think there is one from Beans. I would like to hear what anyone thinks about one or the other and wich would be better. Thanks.
Regulated Return or Big Oil
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well.. since your fuel system hasn't been upgraded, which is essential, I would go Reg. Return... just because the stock dead head system isn't the hottest... swap the 8th LL injector at the same time.. thats what I did, and I love it
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Call Bean and ask him what results you could expect with BO and the stock system right now. I KNOW BO will help driveablilty allot, and may be worthwhile for daily driving. Then go the regulated return maybe? (Bean won't steer you wrong, if he feels you need the fuel system first, he will tell you I am sure.)(Knowing when you get ready for BO, he will be there for you too!)
With any big oil system you'll need to do at least some kind of fuel system modification. You can run big oil without a regulated return, but you'll have to play around with the stock fuel lines to get everything to fit. Might as well get a fuel system when you go with oil.
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1,298 Posts
I Agree ^^^^ I did Big Oil on the stock fuel system and it was a PITA!! Do the ITP Regulated return first it will save you some headaches in the long run. Don't get me wrong, it can be done it's just difficult hooking the steel lines back up.
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What are the fuel mileage increases with either mod?
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Regulated return = no change in mileage.
Big oil = decrease in mileage until the fun factor wears off /ubbthreads/images/graemlins/wink.gif After that I guess it's up to driving style, but a few have reported some mild gains.
What are the fuel mileage increases with either mod?
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Regulated return = no change in mileage.
Big oil = decrease in mileage until the fun factor wears off /ubbthreads/images/graemlins/wink.gif After that I guess it's up to driving style, but a few have reported some mild gains.
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641 Posts
Smoother running engine, elminates the dead head, and makes installing big oil easier and the list could go on but those are the reasons I want it. I'm waitin for Dennis to get the new systems ready and then some big oil after that.
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1,066 Posts
Like others said, you will need to do some work on the stock fuel system to get the big oil installed. I went ahead and had new fuel lines made at Parker and put them in. All parts were made so that they would mate up with a regulator and the fuel return adapter from ITP diesel. I am waiting for Dennis to get some parts in so I can finish my DIY regulated return fuel. Parts to do the fuel system upgrades necessary for big oil ran me $120 from Parker for the fittings and the four lines. for now I have fed the heads from the rear and put a cross over line in the front two fittings.
SOOO.... I say for that minor fuel upgrades necessary, go for big oil. Jody changed my stock programming to use the higher ICP and it drives like having a 60hp tow chip in all the time. The stock program now make 25psi of boost. We are having timing issues with my XLE4 computer, but we are working it out. Even with the timing issues my truck now has "warp speed" as my kids call it. The truck is truly fun to drive now.
My mileage increased to 20.1 mpg, hand calculated. This was on a trip to a Boy Scout camp that I take four times a year so I have historical data to compare. I used to get 18.6-18.7mpg. So I got a nice little increase from big oil.
SOOO.... I say for that minor fuel upgrades necessary, go for big oil. Jody changed my stock programming to use the higher ICP and it drives like having a 60hp tow chip in all the time. The stock program now make 25psi of boost. We are having timing issues with my XLE4 computer, but we are working it out. Even with the timing issues my truck now has "warp speed" as my kids call it. The truck is truly fun to drive now.
My mileage increased to 20.1 mpg, hand calculated. This was on a trip to a Boy Scout camp that I take four times a year so I have historical data to compare. I used to get 18.6-18.7mpg. So I got a nice little increase from big oil.
I didn't have time to order and install a reg return when I did big oil. I didn't have any problems getting my Terminator pumps to clear the stock hard lines, the only thing that really HAD to be modified was the fuel bowl drain.
For the drive ability BO is hard to beat and it made pulling anything a lot more enjoyable as the truck makes power all the time with no flat spots. If you are looking for the biggest HP gains, neither BO or a reg return by itself will give you much HP. If you want to run oil hungry injectors like AD's (stock or modded), stroked A's, BD's, etc then the BO will allow you to make a lot of HP. Likewise the reg return will allow you to flow as much fuel as you'll need.
For the drive ability BO is hard to beat and it made pulling anything a lot more enjoyable as the truck makes power all the time with no flat spots. If you are looking for the biggest HP gains, neither BO or a reg return by itself will give you much HP. If you want to run oil hungry injectors like AD's (stock or modded), stroked A's, BD's, etc then the BO will allow you to make a lot of HP. Likewise the reg return will allow you to flow as much fuel as you'll need.
Both sound good, and I hope to have both eventually, but I was hoping to get a little more economy more than HP, I recently installed the F-5 and enjoy the power from that, but so far am a little disappointed in the mileage that I am getting with the chip as opposed to before. I know I have been playing around with it but I have also made a couple of pure highway trips below 2000rpm for most of the trips in the 80E setting and have seen now increase. Maybe it is still a little early to tell. I know there will be power increase with the BO but there is quite a difference in cost with the RR system. So a reburn is in order with either choice?
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641 Posts
I have found that I get better fuel mileage in the 100hp tune than the 80E.
No, I didn't have to reburn for BO. I drove for several months with stock little oil programming and had NO problem. There was occasionally a dip in the idle when the TC unlocked on a quick decel but the truck never died, ever. The thing is, to get the most out of the money you spent on the big oil you should get a re-burn.
If money is an issue right now, get the reg return as it is less expensive. It will allow you burn as much fuel as you'll need with any future mods and it will ease the install of the big oil.
I personally would do the BO first again. Neither item will directly increase mileage although BO does allow stock AD's to work more effectively and that might lend a bit of mileage. These aren't items you do for mileage though, and if you do them expecting better mileage you maybe unhappy. Do either or both mods for the power and drive ability and be happy if the mileage increase, it's an added bonus.
If money is an issue right now, get the reg return as it is less expensive. It will allow you burn as much fuel as you'll need with any future mods and it will ease the install of the big oil.
I personally would do the BO first again. Neither item will directly increase mileage although BO does allow stock AD's to work more effectively and that might lend a bit of mileage. These aren't items you do for mileage though, and if you do them expecting better mileage you maybe unhappy. Do either or both mods for the power and drive ability and be happy if the mileage increase, it's an added bonus.
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I am trying to decide what is next. I am interested in ITP'S Regulated Return Fuel system and a D.I.Y. big oil kit, I think there is one from Beans. I would like to hear what anyone thinks about one or the other and wich would be better. Thanks.
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Back when I was interested in BO and called Brian @ BTS the first thing out of his mouth was "ITP's Fuel System?" meaning High Performance Fuel Delivery Kit with the aftermarket High flow pump. When I said no he told me that we could install 2 stock fuel pumps. His theory is "Can't get more HP without using more fuel and you can't use more fuel if it's not getting there to use!" He seemed to think getting it there was more important than getting it back to the tank although he said he really liked to see both delivery kit and RR. /ubbthreads/images/graemlins/shrug.gif Take it for what it's worth but it came from Brian himself /ubbthreads/images/graemlins/smokin.gif So with that I say neither until you get a High Performance Fuel Delivery Kit /ubbthreads/images/graemlins/wink.gif
I am trying to decide what is next. I am interested in ITP'S Regulated Return Fuel system and a D.I.Y. big oil kit, I think there is one from Beans. I would like to hear what anyone thinks about one or the other and wich would be better. Thanks.
[/ QUOTE ]
Back when I was interested in BO and called Brian @ BTS the first thing out of his mouth was "ITP's Fuel System?" meaning High Performance Fuel Delivery Kit with the aftermarket High flow pump. When I said no he told me that we could install 2 stock fuel pumps. His theory is "Can't get more HP without using more fuel and you can't use more fuel if it's not getting there to use!" He seemed to think getting it there was more important than getting it back to the tank although he said he really liked to see both delivery kit and RR. /ubbthreads/images/graemlins/shrug.gif Take it for what it's worth but it came from Brian himself /ubbthreads/images/graemlins/smokin.gif So with that I say neither until you get a High Performance Fuel Delivery Kit /ubbthreads/images/graemlins/wink.gif
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5,316 Posts
With PMRs and AD's your stock fuel delivery system is more then adequate. Throw a regulator on and be done(ITP/DI).
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