My old 1zz performed well with pretty much this exact setup... yellow injectors + factory maf housing + random cone filter. Have you got a wideband kit? Logging that is really what you need.I now run my 1zz on an 2zz apexi PFC ecu as they are dirt che...
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Title of MR2 Roadster Owners Club: "MR2 Roadster Owners Club - Index"