Hi all, I am new to tuning. I have done a heap of mods on my XR6t BF MK2 including increasing boost and bigger turbo, full exhaust, 1000cc bosch injectors, hot and cold side and intercooler upgrades etc.... My issue is, I had it tuned to get it going again and when deriving easy to moderate, it goes fine but when i push the throttle hard, it does a hard cut out at 4000rpm and nearly puts me through the windscreen. I think it feels like the ecu thinks its over boosting because of the increased 16lb boost or perhaps a torque management issue. Can anyone help me get around this. It has heaps of power about 363KW on dyno but on the road i cant drive it the same because it just shuts off everything power wise at 4K?
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