i got a subaru 94 L, i just took out my ej16 engine with transmission and put an ej18 with transmission, since i put the engine my car is not preforming very well and when i am running sometime it get like neutral when i accelerate the car hard and by its self too, i thoght it was the transmission so then we changed the gears of it from a awd transmision and put it toi my 2wd and still do the same..... what do you thing .... my only thought is the ECU that could be the problem. can any one help me.... the ECU is a LN... please give me your opinion and your help.. thanks