Do I need to apply Anti-Seize to my new spark plugs on a 1997 Chevy K1500 5.0 Vortec?
Always a good idea, especially if you're the one working on it next.
No you do not have to put anti-seize on spark plugs. The trick is not to tighten them up, just snug. Not good and snug, Just snug.
Search Chevrolet C/K 1500 Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Chevrolet C/K 1500 Experts