SidewayzSkyvia Posted August 31, 2020 Report Share Posted August 31, 2020 So I'm having an issue. I have an rb25det series 1 in my car with a Borg Warner s366 with a .91 a/r turbine housing hanging off the side of it. With my previous ecu/ROM tune the turbo seemed to spool a bit better. With my new g4+ the turbo feels a lot lazier than it used to. So I'm mainly just wondering if there's something I can do with the tune to help bring boost on a bit earlier. Any help is appreciated. Quote Link to comment Share on other sites More sharing options...
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