Fuel system mods question
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Laughing Gas
Joined: Jan 2010
Posts: 854
Likes: 17
From: Florida
Fuel system mods question
Running stock injectors and stock turbo, am I going to be ok with the stock pump and maybe a updated fuel spring if I go for an Extreme street tune?
Do you guys have any guidelines or rules of thumb for when you might need to do fuel system mods such as IDP RR or FASS pump? I was thinking in terms of horsepower guidelines - obviously low fuel pressure or dead-heading is going to necessitate it. Bottom line is I would rather do the fuel system mods before I get the tune if it is going to cause trouble.
Associated question: I want to keep my EGR cooler on there - is there a point in performance mods (HP again) where the EGR cooler is going to be a problem - maybe from the heat. What if I decide later to do injectors or turbo upgrades?
Thanks for any thoughts, advice etc.
Do you guys have any guidelines or rules of thumb for when you might need to do fuel system mods such as IDP RR or FASS pump? I was thinking in terms of horsepower guidelines - obviously low fuel pressure or dead-heading is going to necessitate it. Bottom line is I would rather do the fuel system mods before I get the tune if it is going to cause trouble.
Associated question: I want to keep my EGR cooler on there - is there a point in performance mods (HP again) where the EGR cooler is going to be a problem - maybe from the heat. What if I decide later to do injectors or turbo upgrades?
Thanks for any thoughts, advice etc.
Posting Guru
Joined: Oct 2005
Posts: 1,285
Likes: 1
Just My Oppinion
.... i would think you would be fine running Xstreet with the upgraded fuel pressure spring. it seems like people run hot tunes with stock fuel systems. a fuel pressure gauge would be great though if you can get one so you know forsure.
Thread Starter
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Laughing Gas
Joined: Jan 2010
Posts: 854
Likes: 17
From: Florida
I'm definitely putting a fuel gauge on - while I'm at it, I'll put on the IDP RR if necessary. Maybe I'll try the spring first and see how it goes.
I'm actually hoping the Xstreet will kill the mod bug for a while (before I start wanting injectors
)
I'm actually hoping the Xstreet will kill the mod bug for a while (before I start wanting injectors
)
Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
you should be good to go. keep an eye on the valve evry once in awile. you will be throwing alot of fuel.
I have found just a basic street tune is the best for daily driving right now. Its getting close to the rainy season I may even take that out and go to something less likly to spin the rear tires. ymmv.
I have found just a basic street tune is the best for daily driving right now. Its getting close to the rainy season I may even take that out and go to something less likly to spin the rear tires. ymmv.
Hotshot
Joined: Dec 2003
Posts: 15,368
Likes: 121
From: Stuttgart, Ar
Before injectors but not necessarily before the turbo.
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Posting Guru
Joined: Oct 2005
Posts: 1,285
Likes: 1
it's the right thing to do when you have larger injectors and can help your truck with the mods you have now. (sorry couldn't help you answer you question)
even if my truck was fully stock i would run a FASS on it just to get the extra filtration steady fuel pressure, air out of the fuel, plus the other things it does.
just my point of view..
even if my truck was fully stock i would run a FASS on it just to get the extra filtration steady fuel pressure, air out of the fuel, plus the other things it does.
just my point of view..
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Post Fiend
Joined: Oct 2005
Posts: 10,626
Likes: 7
From: Plano TX and Brentwood TN
it's the right thing to do when you have larger injectors and can help your truck with the mods you have now. (sorry couldn't help you answer you question)
even if my truck was fully stock i would run a FASS on it just to get the extra filtration steady fuel pressure, air out of the fuel, plus the other things it does.
just my point of view..
even if my truck was fully stock i would run a FASS on it just to get the extra filtration steady fuel pressure, air out of the fuel, plus the other things it does.
just my point of view..
I would relocated the RR fuel pressure gauge to an electric one that mounts in the cab and if your stock pump starts to take a dump on you, then either get the FASS or the AirDog. Now I know with FASS you want to specifically ask for the 60 psi spring as that doesn't come in any of the kits. I don't know if the same is true for the AirDog as well. Someone with that system might want to chime in on that.
Thread Starter
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Laughing Gas
Joined: Jan 2010
Posts: 854
Likes: 17
From: Florida
Thanks guys - sooner or later, I'm sure I'll do both, just wanted to make sure I wasn't doing things backwards again. Also want to prepare for the day I decide it is injector time.
Hotshot
Joined: Dec 2003
Posts: 15,368
Likes: 121
From: Stuttgart, Ar
FASS and Airdog both will tell you that with their stand alone fuel pumps a RR is not needed. They are designed to work without the RR and getting it right is a balancing act for sure.
I, personally, will NEVER recommend to anyone a FASS again. Airdog is the only way to go. IMHO FASS has some predatory warranty practices that I won't go into here because it really pisses me off. Lets just say that I went through 3 and THEY left my wife stranded in Charolette for 4 days. Took me 6 months to get the pump repaired and I basically gave it back to my dealer for repair charges.
I, personally, will NEVER recommend to anyone a FASS again. Airdog is the only way to go. IMHO FASS has some predatory warranty practices that I won't go into here because it really pisses me off. Lets just say that I went through 3 and THEY left my wife stranded in Charolette for 4 days. Took me 6 months to get the pump repaired and I basically gave it back to my dealer for repair charges.
Thread Starter
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Laughing Gas
Joined: Jan 2010
Posts: 854
Likes: 17
From: Florida
FASS and Airdog both will tell you that with their stand alone fuel pumps a RR is not needed. They are designed to work without the RR and getting it right is a balancing act for sure.
I, personally, will NEVER recommend to anyone a FASS again. Airdog is the only way to go. IMHO FASS has some predatory warranty practices that I won't go into here because it really pisses me off. Lets just say that I went through 3 and THEY left my wife stranded in Charolette for 4 days. Took me 6 months to get the pump repaired and I basically gave it back to my dealer for repair charges.
I, personally, will NEVER recommend to anyone a FASS again. Airdog is the only way to go. IMHO FASS has some predatory warranty practices that I won't go into here because it really pisses me off. Lets just say that I went through 3 and THEY left my wife stranded in Charolette for 4 days. Took me 6 months to get the pump repaired and I basically gave it back to my dealer for repair charges.
Hotshot
Joined: Dec 2003
Posts: 15,368
Likes: 121
From: Stuttgart, Ar
I believe at the .org I read a long thread about similar problems with the Air Dog II. I have been leaning toward the RR, although I like the extra filtration that the pump set-ups provide. Is it a problem to have the RR and add an aftermarket pump later? I thought these two would compliment each other.
Post Fiend
Joined: Oct 2005
Posts: 10,626
Likes: 7
From: Plano TX and Brentwood TN
Nope--no problem to do the RR now and pump later. The factory pump does an excellent job for stock sticks unless you really go to tweaking the tuning plus the RR eliminates the need to do a fuel pressure spring upgrade. I can direct you to several threads on the .ORG about fuel pumps. I would URGE you to go with the AD 1000 times over the FASS simply from personal experience. It's much simpler, adjustable, and PROVEN. Every product has some kind of failure rate and you see more about it on the internet compared to folks who have NO problems. Both AD and FASS are designed for the factory deadhead system. You can have problems getting the pressure balanced so that the pump returns fuel from it's built in return and the RR actually does what you paid for, which is to eliminate the deadhead system.