mattdavies Posted July 22, 2024 Share Posted July 22, 2024 (edited) Engine Type - 2JZ- GTE Engine Spec - Whifbitz 264 Cams, FSR Manifold, 3" downpipe, 44mm Tial Wastegate, 650cc Side Feeds Turbo - HKS T04Z with Open 0.82a/r Turbine Fuel Used - Tesco 99 Exhaust - 3.5" Twin Box Whifbitz Transmission - A340 Auto ECU - HKS F-Con 3.3 Mapped By - Dennis @ TDi, Thurrock Dyno Used - Rototest Power figure - 450rwhp Torque figure - 380 ft/lb Boost Pressure - 1 bar Excuse - Boost Controller Issues Edited July 22, 2024 by mattdavies (see edit history) Link to comment Share on other sites More sharing options...
mattdavies Posted September 27, 2024 Author Share Posted September 27, 2024 Recently took the car in for more tuning to add more boost and the tuner said that after 1bar it doesnt make any more power at the top end due to detonation. It currently makes 1.2bar but has had to pull timing to keep it happy. He tried 1.55bar but had to target 10.8 AFR to keep it happy and it wasnt going to make much more power. He theory is that EMAP is too high and csusing these issues. The tuner blamed the manifold. Link to comment Share on other sites More sharing options...
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