SKILINE R34 rb25det, from recent time I have a problem when the engine is strongly heated up it(he) loses capacity if to give the motor to cool down that power FULL, AFTER heating the engine power AGAIN FALLS STRONGLY, I live in Russia, here there are no masters on it
To automobiles, self-diagnostics without mistakes, pressure of the turbine normal, help advice(council), what elements of the engine to check up?