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Hey fellow skyline owners , i need help diagnosing a problem i have with my r32 gtr

LACK RESPONSE/POWER fresh engine and turbos

my rb26 has been rebuilt 6 months ago , at that time

issues arose trying to time the engine . the CAS (crank/cam angle sensor) was too far left and timing was reading 20 .. CAS sensor should be closer to middle ... timing belt is perfect if u r wondering

2 tuners at chasers confirm my timing is right , but dyno shows poor power curves due to tune/timing

the CAS sensor is therefore turned and Power is good

233 kwatw's

2 weeks later it lacks response/power ,suspecting tune/timing

change the CAS sensor, time the car 233 kwatw's

2 weeks later it lacks response/power .

ENGINE RUNS FINE, doesnt miss or hesitage or make f**ked noises..... just LACKS RESPONSE/POWER over time

between 1000 - 3000rpm slight response loss 3500 when boost comes on lacks intake spool noises and alittle turbo pull

4000+ lacks TURBO PULL ... still goes but lots of PULL power lost

forged , stock turbos rebuilt stock ecu

my next step is stock gtr ecu or mines ecu what u guys think

pm me after u post pls :)

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