I have a ga16 turbo with t3t4.370 inj,sr20 maf and ga maf.d0nt know wich to use.but anyway.i just want 8 psi max.jwt said he could reprogram but wasn't sure what ecu he wuold use because my engine is ga16 with aut tranny.so I have a g20 aut tranny ecu(94)same year as my car.but he said that might need the 91 not 94 aut g20 for the tranny...help please....or am I just better off using a afc?and dynoing it