NOT KNOWN DETAILS ABOUT SUBARU EJ20 TURBO ENGINE

one. Knocking noise from EJ20 Engine. The engine has a challenge during the 4th cylinder. This cylinder is best; the cooling is even worse With this position with the engine. In such a case, the piston or rod commences knocking then the engine is cold in the beginning and all time after some interval.Brandon resides while in the St. Louis, MO place