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Ej257 STI engine to 2012 WRX ej255 swap

3.5K views 27 replies 8 participants last post by  kh2950  

"What if I run the car without the AVCS hooked up?
Yes, the engine can run the car without the AVCS hooked up. It doesn't hurt the engine but it also keeps it from running at peak performance since the cam is sitting in the least advanced position."