freq

iTrader: (6)

What would happen if you ran 720cc secondary injectors on a stock ecu with no 3rd party fuel controller?

rotorforce

Turbo or N/A? My turboII ran fine without any controllers for the 720's. I can't speak for the N/A's but I would assume you would be running very rich.

freq

iTrader: (6)

Turbo II.
I'm planning on upgrading from SAFCII to Rtek 2.0. And I'll prob be without a fuel controller for a week or so.

rotorforce

You answered your own question. The rtek ecu is adjusted for 720cc's when ordering it you have to mention that to them and they adjust the ecu to accomodate them.
You must have some major mods since your going 2.0

mazda lou

you would propably flood out the engine

mazda lou

you would also have to up the spark and timing to compensate

Aaron Cake

iTrader: (1)

No...

...and no.

The car would run rich when the secondaries are firing, but not much else. It will cost you power unless you adjust the amount of boost to the amount of fuel the engine is seeing (generally not a good idea!). If you are going to do this without any fuel controller and find the car is running rich, then switch to a smaller injector (680CC). A wideband will tell you.

turbo2ltr

iTrader: (1)

Aaron is right. Lou needs to get educated before he spews misinformation. The secondaries are not fired during startup so it will not flood out (at least not any more than it already does..). I have no idea what "up the spark and timing" means, but you do not need to adjust timing at all to run 720s so I don't know where that came from.

There is no need to tell us what you are running. You configure the ECU for your setup when you get it . The Rtek 2.0 ships in the stock fueling configuration.

adrock3217

........Care to explain how? Have YOU ever flooded an engine at 3200+ rpm?

God..

uhh

Only once

I drove through a big puddle =(



j/k