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  1. I

    Shimming Wastegate

    I have a 1992 Supra turbo with an auto. It is completely stock. I was wondering is it ok for me to shim the wastegate for just a little boost without any other mods? I know fuel cut will play a factor but I want to peak boost around 10-12 psi or just under fuel cut. I just want a little bit more...
  2. I

    High Impedance or Low impedance injectors?

    I was looking at what kind of 550 injectors I should get for the 550/lexus afm mod. I was looking at driftmotion and they got two different types of 550 injectors made by bosch and I was wondering which one I gotta get. Here are the two links to the two types of injectors I was talking about...
  3. I

    Tuning

    My turbo seals in my car is gone. I have a 88 supra turbo and I am getting my turbo rebuilt to the 57 trim. I am also getting this items; lexus afm, 550 injectors, aem afpr, walpro 255 fuel pump, aem uego, boost controller and gauge, to go along with the upgraded turbo. Will I need anything else...