With only 440 injectors I would not go bigger than a T3/T4 Garrett with prob no more than 8 or so psi on the stock block. Also should get a better fuel pump. I'm not a Honda pro but I do know a little about Turbo cars in general. If I'm wrong someone jump in. I just know to run a T3 or a T3/T4 on my car I need at least 650cc injectors, but to get up to 15 or more psi I really would need 750's or possibly 850's That is on a DSM but cant imagine it would be that much different. T3/T4 50 trim is bad ass though.
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