2G Bigger injectors

[jmonterful]

Okay my car is running lean due to having a 20g turbo and no fuel mods. I'm saving up to buy them pretty soon in the meanwhile i wanna throw some 650 injectors i have there. my question is will it help it run a little better or would it not make a difference since it squirts what the computer tells it to? Thank you

 

[Dsmkauai]

What do you have to tune the injectors with?

 

[jmonterful]

I

What do you have to tune the injectors with?

dot have any tuning devide i have yet to buy dsmlink

 

[doubleclutch]

If you can, limit the boost as much as possible. You are asking for some serious fuel cut/lean conditions right now that could damage the car. Possibly, run the turbo on wastegate pressure?

As far as the injectors, they will and won't help. Here is what I mean. At idle, the stock ECU without any tuning software may not be able to reduce the pulsewidth enough to idle at stoich. This means you most likely will be washing out the cylinder walls with fuel. Bad idea. At higher RPMs and boost, you will be able to inject more fuel, but only enough for a certain amount of pressure. If you check my link belwo, it should tell you how much pressure you could run on 650cc injectors IF you could tune them.

On a side note, I went about things trying to avoid spending real money and buying link. It isn't worth it, just buy it first.

http://www.dsmtuners.com/threads/injector-duty-cycle-calculator.504559/

 

[jmonterful]

If you can, limit the boost as much as possible. You are asking for some serious fuel cut/lean conditions right now that could damage the car. Possibly, run the turbo on wastegate pressure?

As far as the injectors, they will and won't help. Here is what I mean. At idle, the stock ECU without any tuning software may not be able to reduce the pulsewidth enough to idle at stoich. This means you most likely will be washing out the cylinder walls with fuel. Bad idea. At higher RPMs and boost, you will be able to inject more fuel, but only enough for a certain amount of pressure. If you check my link belwo, it should tell you how much pressure you could run on 650cc injectors IF you could tune them.

On a side note, I went about things trying to avoid spending real money and buying link. It isn't worth it, just buy it first.

http://www.dsmtuners.com/threads/injector-duty-cycle-calculator.504559/

Thank you!

 

[2gmitsueclipse]

Additionally, if you still stick with 650's, you will also want to look into replacing the fuel pump. If your on a tight budget, the Evo and Walbro 190lph pumps are a decent choice. If you go this route, you may not have to replace/upgrade the FPR at this time, but do inspect it. Along with the pump itself, you will also want to rewire the pump maintain consistent voltage.

 

[pauleyman]

Nobody specifically said it. No you cannot Install the injectors without a tuning solution.