I am building a engine for my car and i'm in need of some assitance. I am very confidently aiming for 450hp and I'm sure i can get it. I need to know how to get 660cc/min denso injectors to work with my setup.

My original plan was to weld the intake off a 4g to my flange, but I'm now under the impression that the injectors will fit i just need a resistor pack.

If someone knows how to make this work i would greatly apperciate any help they can give.

Thank you

98 GS Eclipse

Moved to Turbo. This isn't advanced, it's misguided.

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I'm the guy that bans you for breaking the rules. I am the troll killer. I am the law here.

First off what the f is a 4g, i thought eclipses were only into the 3rd gen right now. I think i misunderstand you.

For a 450hp goal your probably going to be safer w/ 720's. The only way your going to be able to make that would be on race gas anyhow. What kind of ecu will you be running and will you have total control over timing? You run into issues on a stock ecu w/ having to dial back airflow on that big of injector to get the right a/f mixture. with a standalone you'll be able to have control of these things. what kind of turbo? what type of engine control?

On a turbo like a 50 trim you'll need to run at least 26 psi to hit that goal and you'll need lots of fuel to get there. Maybe you should lay out a mod list of what you intend to run to get some more accurate advice.

400whp or bust.

im assuming he means 4g63

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Matt D.
'06 Evo IX SE
'98 RS-T 13.8 @ 106.1

yes, I meant a 4G63, but i believe i just answered my own question as it's as simple as adding 10 ohm resistors.
2-3 for low impedance + 10 resistor = 12-13

98 GS Eclipse

Not quite. Consider the wattage before you go burning up resistors from Radioshack.

You know that, without some real fuel control, you're not going to be able to idle on injectors that large, correct? An SFMU and an SAFC isn't going to cut it.

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If a sentence found online has 35% misspellings or greater and includes at least two racially charged expletives, chances are it is a YouTube comment.

'95 Eclipse TurboGS (garage deco)
'95 TSi AWD (restoring a survivor)
'97 Talon ESi-T (poor impulse control)
'99 Eclipse RS-T (daily beater)
'13 Evo X (mostly stock)
'17 Sienna (Middle Aged Dad Mobile)



Factory Service Manuals: http://nawdu.de/files/

That's right bro you are going to need something to control those injectors. Do you have a DFI or some other means of total control?

I edited to the wiki!

I was going to use a vortech FPR and an APex AFC. I can't seem to find any usuable information on this. I thought that would be enough

How can a 2g car with a 4g63 get away with using 800 or even 950's with only using afc and a fpr? I'm not trying to be smart, I really just don't know. Every post i read on the subject goes good for one or two replies and then goes into something totally away from the orginial topic, like what turbo and stuff like that.

If you have advice to help me with my fuel system i will greatly apperciate it.

what hp are 440's good for?
and what are the highest level i can go without a controller?

*edit* i know about that watt's, i'm getting 25watt resistors, they dont have them at radio shack, i'm getting them off the internet. Thanks though.

98 GS Eclipse

i dont know a guy w/ a 4g63 running anything bigger than stock w/o at least an afc. 440's got suieclipse to 349 whp, i'd say thats pushing the limits of those injectors. i'd feel much more comfortable telling you to stick w/ 550's in that scenario but he was dialed in pretty perfect w/ a wideband o2 datalogger at his side. again, you want to run the smallest injector for your goal so you have less negative correction to do. 650's will easily support your goal.

400whp or bust.

^^^^350whp with 50lb injectors not 440's.

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Megasquirt powered 420A
Custom turbo system

http://www.ms-custom.com

I'm going to use a Crane ignition to take care of my timing.

What is the deal with a Megasquirt? I found it mentioned in the forum acouple times. I looked it up on the internet and I can get it for the same price as the APex. Will it control timing or just fuel? How well does it interact with our computers?

98 GS Eclipse

*Skrilla
"Honest officer, I thought you were trying to race me"
Talon: 1st 2.4L
'97 Prelude
'04 350Z

Originally posted by etx
Good luck man! Project 'STFU Brian your talon is dead meat' should be on it's feet soon!

If your going to make 450hp don't mess with piggybacks. Just buy a standalone ems and a BFT! (Big F'in turbo)

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four nails four corners four riders and four horses

Thats not entirly true. An AFC will lie to the stock ECU about what the MAP sees. The computer inturn holds the injector open longer or closes it earlier. The computer doesn't know a 100 cc/min injector from a 1600 cc/min injector. All it knows is a duration of time to hold it open. When you lean it out with the AFC it closes the injector early so you get the same amount of fuel from a 660 as you do a 235 staying open longer.

98 GS Eclipse

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Megasquirt powered 420A
Custom turbo system

http://www.ms-custom.com

Again, i am using a crane ignition for my timing retard. That is no problem.

the main topic was how to run low impedance injectors in my 2gnt. I'm not to worried about timing or anything else. I can control the fuel, i can control the timing. I need to not over amp my ECU with a low impedance injector.

98 GS Eclipse

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Megasquirt powered 420A
Custom turbo system

http://www.ms-custom.com

100 watt is a little overkill aint it? Each injector should only pull like 12 watts. There is formulas to figure it all out. But thats not the point i guess. I'm thinking about a Megasquirt anyway.

98 GS Eclipse

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Megasquirt powered 420A
Custom turbo system

http://www.ms-custom.com