so I was thinking about tuning

[mjjstang]

well I am shady when it comes to the word "TUNING", hell all I know how to do on my safc is the maf settings, but basically In the very near future I want to pick up a gt2871r, and those deutchworks 660 injectors, I was reading in another post that the safc is no good for large injectors, that I would have to get an ecu tune, first off, lets say that is false, and it would work, so I would do 370/660=.56, so 1-.56=.44 so I would do -.44 in the safc settings right?
so lets say they are right that I need a retune, then I would get a tune for 660 and a z32 maf, but am I set, hell just to be sure I would get a wideband to monitor my af, but at what point would you guys say, to upgrade to a 1000 dollar plus standalone, I dont have a lot of money now, but I dont want to half ass my pride and joy, I want to take every step to do it the right way, I would plan to make 350 hp, but I think the turbo maxes at around 400 so somewhere close to 375 on some occasions, any thoughts, im trying not to sound like a newb but really I have absolutely no knowledge of tuning and at this point that is my largest hurdle,

[ultraDorksGarage]

the safc isnt good for injectors cuz it doesnt do injector pulse alone...

it reduces maf readings, which reduces injector pulse, but it also affects other things like timing retard. if maf reads too low ecu wont back off timing like the way it does if u r on boost. so people start retarding the cas which is timing for everything in an SR including injector delay... so in the end injector is spitting fuel too late.
personally ive seen (and still use) safc for 555's and z32 maf, but its not a great combo. stand alone tuned is way better than what i run.

of course im assuming u r talking about an SR><

[mjjstang]

yes, sr, so what do you guys think, could I just get a retune and toss the safc on the BAY, or shold I get a standalone, I mean I just hate to spend so much, and its not like the car would be pushin 600 whp,