I think that this is the best place to post this. I am building a 2.3 stroker in a 03 Evo and had a few questions. My set up is going to consist of the 2.3l with a ported manifold, exhaust housing, and O2 dump tube and a cat delete pipe. Intake is a HKS and I plan on only running 20-23 psi on a factory turbo. I plan to run the factory cams, down pipe and cat back for now but not for long. I also will be running between 91-93 octane. I will not be using co2, nitrous, or meth. I do not plan on upgrading the turbo to a larger size since I have a brand new one I will be using.

The questions that I have are fairly simple ones, but hard to determin thur searching.
First, which injectors and what size would be the best to go with?
Second, would the factory intercooler be sufficent enough to run this set up?
Third, which company would be the better to do a reflash on a factory ECU for this?
Fourth, other than boost, EGT, and A/F Gauges, which others would be recomended?
Fifth, would an ACT 2600 clutch kit with the ACT street lit flywheel be sufficent for this set up?

 

Why do you want to build your block if your running the stock turbo??
I do not think that with even 24psi with meth.your block will give up!
Save that money and buy a upgraded FMIC,Cams,Fuel Pump,ECU,Turbo Kit and then you should think about building your motor.

 

True if your not gonna make the big power stock bottom end will be perfect no need to throw your money away unless you have it to spend it.

 

(1) 650cc, Delphi, from Fuel Injector Clinic or Precision.

(2) The factory IC will work fine, although you'll gain a bit of heat absorption capacity by upgrading it.

(3) There are several reputable ECU reflashing vendors here. You'll have to do a bit of research.

(4) I'd change that EGT gauge to oil pressure. High EGT shouldn't be a concern for you.

(5) You'll have to ask others with this setup, or ask ACT. Where a clutch is concerned, it's always better to get a little more than you think you need than a little less.

 

To answer the why question: I am having to replace a head gasket and instead of running the risk of reusing possibly damaged pistions or rods, I am going to stroke it. I am going for a stock look engine, while having the ability to go farther later down the road. I do plan upgrading cams and FMIC, but for not a while. When I build the motor, I will be replacing the pump and doing a reflash.

Ted B, Thank you for your answers. In your opinion, what is the likely flywheel output this particular setup will yeild?

For anyone else, Which vendor has the better turn arround on mail in flashes with a reputable tune?

 

Flywheel power is difficult to estimate with chassis dynos. Nevertheless, you shouldn't expect more hp from this displacement increase, as the turbo is the limiting factor where that is concerned. What you will get is greater torque that comes on quicker.

 

Which would be better on daily driving, red light to red light, right? I do not plan to track this car at all, I dont even to "beat" on it much.

 

Invest the money else where a 2.3 is not needed right. you will not damage anything by replacing the head gasket. your going to need a better clutch for that 2.3 if you decide to go with it.

 

there are serveral people with mail-in tunes... SEARCH on your own! ... however i dont believe ANY of them will have a good mail-in reflash tune for a built 2.3 on a stock turbo.