Improper torque to piston rod - 94 corrado

94 Corrado 

Customer bought in his Corrado for rod knock noise from the engine.

We inspection the car and found sufficient amount of metal shaving in the oil pan.

This is due to improper torque from the piston rod.

We swap the engine and did tune up on the car, Using Liqui Moly 10w60 to maximize lubrication 

for the engine components and quite down the engine noise. 

He claims that the car runs smoother and quite at low rpms since we had the engine swap