#11723, "RE: Injector Question" In response to Reply # 0
25% increase from stock is about the highest we can handle, and even then it may idle a little rich. 370cc would idle like a harley and belch black smoke..
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'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)
#11725, "RE: Injector Question" In response to Reply # 2
With the proper fuel pressures, you can do it. Check out my fuel pages and crunch some numbers. The MFI page might also be interesting to you. http://www.geocities.com/vttalon/tech.html
#11726, "RE: Injector Question" In response to Reply # 3
The problem has more to do with than idle. It has to do with the ECU being able to apply proper fuel maps up to a certain size injector. Theoretically, a 30lb injector should be fine and most likely as large as you would really want to go without any more fuel management. Sooner or later I would recommend looking into an AFC though.
#11727, "RE: Injector Question" In response to Reply # 4
Do 420 Avengers and neons share the same injectors? After doing a little research, my buddy said that chevy injectors and ford injectors work the same. What kind of upgraded injectors is everybody using?(or plan to get) I just can't shell out 400 bucks for RC right now but am looking for a domestic replacement. BTW LT1's are 27lbs stock so there's no point unless you get some upgraded for the LT1 and split the price.
#11728, "RE: Injector Question" In response to Reply # 5
I emailed roadraceengineering.com a week ago, they told me if I asked them to order them when they buy 10 with a discount, then the price for RC 440s would be $290. If anybody orders them after they do their discount buy, then the price would go up to $335.
#11729, "RE: Injector Question" In response to Reply # 5
Have you been speaking with Armondo? The stock injectors for an LT1 are 24lb/hr unless they uprated to 27lb/hr recently on the LS1. We have saturated injectors which is the same as 85% of all cars on the market. LT1 injectors do fit us and LT1 guys use Ford SVO injectors as an upgrade so it is safe to assume these will fit as well. A saturated injector is an injector is an injesctor. The only differences would be the clip to hold it in and possibly changing the o-ring so theoretically it should be possible to make any saturated injector fit with some work put into it. Most domestic injectors are no larger than our stock injectors as V8's have 2x as many injectors so when you think about it a 320hp car is only putting a load of 40hp/injector where as stock we are doing ~32hp/injector. It is good to go with other domestic injectors but you will most likely have to go with aftermarket ones like I did (36lb/hr) to make a difference.
#11731, "RE: Injector Question" In response to Reply # 8
And this is the things you guys should be looking for. If memory serves correct, these are the injectors that used to be used on the old 2.3l turbo SVO mustang and the supercharged Thunderbirds. Anyone who has a Stage II setup should hit Ryan up for these. They *should* be able to work with the Stage II fuel setup and leave you in a position to buy an AFC later for much better fine tuning. I say should because I do not know anyone who has tried yet without an AFC.
#11733, "let us know how they work" In response to Reply # 10
what the part# is etc. I am thinking along the same lines for upgrade. What fmu ratio do you plan on using(8:1)? or are you going to stick with the hahn setup.
good luck
97 RS(PTE SC-61, Built Long Block, Electromotive Tec 3)It's Here!
#11734, "RE: let us know how they work" In response to Reply # 11
plan on getting a vortech fmu to replace the hahn fpr. still trying to decide between gettin the super fmu, or if i get the standard, what size disc to use...any suggestions?
#11735, "not a turbo/fuel expert" In response to Reply # 12
but I read corbin's page and believe with a 315cc injector, 8:1 vortech fmu, walbro 255 pump, with a base fuel pressure of stock 47psi, I think at 10psi boost you should have enough fuel to stay slightly rich with 80psi fuel pressure. The ecu SHOULD be able to handle the this size injector(my guess).
Anyone wish to be the first? I may still get a SAFC to make minor adjustments.
97 RS(PTE SC-61, Built Long Block, Electromotive Tec 3)It's Here!
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The stock injectors for an LT1 are 24lb/hr unless they uprated to 27lb/hr recently on the LS1. We have saturated injectors which is the same as 85% of all cars on the market. LT1 injectors do fit us and LT1 guys use Ford SVO injectors as an upgrade so it is safe to assume these will fit as well. A saturated injector is an injector is an injesctor. The only differences would be the clip to hold it in and possibly changing the o-ring so theoretically it should be possible to make any saturated injector fit with some work put into it. Most domestic injectors are no larger than our stock injectors as V8's have 2x as many injectors so when you think about it a 320hp car is only putting a load of 40hp/injector where as stock we are doing ~32hp/injector. It is good to go with other domestic injectors but you will most likely have to go with aftermarket ones like I did (36lb/hr) to make a difference.
