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Discussion Starter · #1 ·
So I am swapping an ej20 in a 2006 legacy that originally had the ej253. To do this I was told to take the timing components, sensors, wiring harness and intake manifold off the ej 25 and put on the ej 20 but the ej25 has plug in spots on the head that the ej 20 does not have. Can anyone tell me if I need to swap heads or can I just leave these sensors unplugged
 
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