As I recall, that uses a crush-type copper asbestos gasket, so the plug
is trurned until the sealing surfaces just meet, then an additional
angle depending on the thread pitch of the plug. 8-10 TPI gets 67
degrees of turn, 12-14 TPI gets 90 degrees, 16-20 TPI gets 135 degrees.
This is for COPPER crush gaskets only, aluminum are different.

Steve


wrote:
Hi,

I'm looking for the torque specification for the oil suction screen (the one
near the bottom of the engine) for a Lycoming O-360. It's the A4A model. I'm
planning on inspecting the suction screen on the next oil change.

Thx!