NGK spark plug installation torque specs for aluminum and cast iron heads.

[whitehot1]

http://www.ngksparkplugs.com/about-ngk/tech-talk/spark-plug-installation

Ran across this info on the NGK website this morning and thought maybe it could be of help.

 

[JAMCAR223]

Use anti seize, and 20 lbs.

 

[TT/Ameasap]

What about the 2nd and 3rd time after the gasket is crushed?

 

[turbo nasty]

Dont overthink it