I got a 1997 NA that I am putting a turbo kit on, I am doing my own custom setup , basically it is going to be this:

1. Garrett GT40 Turbo
2. 550CC injectors
Wanting to run 18-20 psi of boost.

My questions are , can I use the stock maf, or what do I do about that?? Also for engine management what is the best way to go. E-Manage, S-AFC , I know AEM is probably ultimately the best, but between the other two which would be better to tune with and control the fuel and is there anything else I would need to consider. I am new to Supra Tech and here. Thanks for any help

Here this might help you. I am currently doing the same thing on my MKIII. Good luck

http://i-supra.com/eve/forums?a=tpc&s=154607117&f=4356041111&m=8981055351&r=8811050651#8811050651

s-afc is really popular back at the shop they use it on all their 240 drift cars i think that would be good but you really might just wanna go with AEM because they are the best PERIOD.